1 /* 2 * Copyright (C) 2008 Maarten Maathuis. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #include <acpi/button.h> 28 29 #include <linux/pm_runtime.h> 30 #include <linux/vga_switcheroo.h> 31 32 #include <drm/drmP.h> 33 #include <drm/drm_atomic_helper.h> 34 #include <drm/drm_edid.h> 35 #include <drm/drm_crtc_helper.h> 36 #include <drm/drm_atomic.h> 37 38 #include "nouveau_reg.h" 39 #include "nouveau_drv.h" 40 #include "dispnv04/hw.h" 41 #include "nouveau_acpi.h" 42 43 #include "nouveau_display.h" 44 #include "nouveau_connector.h" 45 #include "nouveau_encoder.h" 46 #include "nouveau_crtc.h" 47 48 #include <nvif/class.h> 49 #include <nvif/cl0046.h> 50 #include <nvif/event.h> 51 52 struct drm_display_mode * 53 nouveau_conn_native_mode(struct drm_connector *connector) 54 { 55 const struct drm_connector_helper_funcs *helper = connector->helper_private; 56 struct nouveau_drm *drm = nouveau_drm(connector->dev); 57 struct drm_device *dev = connector->dev; 58 struct drm_display_mode *mode, *largest = NULL; 59 int high_w = 0, high_h = 0, high_v = 0; 60 61 list_for_each_entry(mode, &connector->probed_modes, head) { 62 mode->vrefresh = drm_mode_vrefresh(mode); 63 if (helper->mode_valid(connector, mode) != MODE_OK || 64 (mode->flags & DRM_MODE_FLAG_INTERLACE)) 65 continue; 66 67 /* Use preferred mode if there is one.. */ 68 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 69 NV_DEBUG(drm, "native mode from preferred\n"); 70 return drm_mode_duplicate(dev, mode); 71 } 72 73 /* Otherwise, take the resolution with the largest width, then 74 * height, then vertical refresh 75 */ 76 if (mode->hdisplay < high_w) 77 continue; 78 79 if (mode->hdisplay == high_w && mode->vdisplay < high_h) 80 continue; 81 82 if (mode->hdisplay == high_w && mode->vdisplay == high_h && 83 mode->vrefresh < high_v) 84 continue; 85 86 high_w = mode->hdisplay; 87 high_h = mode->vdisplay; 88 high_v = mode->vrefresh; 89 largest = mode; 90 } 91 92 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n", 93 high_w, high_h, high_v); 94 return largest ? drm_mode_duplicate(dev, largest) : NULL; 95 } 96 97 int 98 nouveau_conn_atomic_get_property(struct drm_connector *connector, 99 const struct drm_connector_state *state, 100 struct drm_property *property, u64 *val) 101 { 102 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 103 struct nouveau_display *disp = nouveau_display(connector->dev); 104 struct drm_device *dev = connector->dev; 105 106 if (property == dev->mode_config.scaling_mode_property) 107 *val = asyc->scaler.mode; 108 else if (property == disp->underscan_property) 109 *val = asyc->scaler.underscan.mode; 110 else if (property == disp->underscan_hborder_property) 111 *val = asyc->scaler.underscan.hborder; 112 else if (property == disp->underscan_vborder_property) 113 *val = asyc->scaler.underscan.vborder; 114 else if (property == disp->dithering_mode) 115 *val = asyc->dither.mode; 116 else if (property == disp->dithering_depth) 117 *val = asyc->dither.depth; 118 else if (property == disp->vibrant_hue_property) 119 *val = asyc->procamp.vibrant_hue; 120 else if (property == disp->color_vibrance_property) 121 *val = asyc->procamp.color_vibrance; 122 else 123 return -EINVAL; 124 125 return 0; 126 } 127 128 int 129 nouveau_conn_atomic_set_property(struct drm_connector *connector, 130 struct drm_connector_state *state, 131 struct drm_property *property, u64 val) 132 { 133 struct drm_device *dev = connector->dev; 134 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 135 struct nouveau_display *disp = nouveau_display(dev); 136 137 if (property == dev->mode_config.scaling_mode_property) { 138 switch (val) { 139 case DRM_MODE_SCALE_NONE: 140 /* We allow 'None' for EDID modes, even on a fixed 141 * panel (some exist with support for lower refresh 142 * rates, which people might want to use for power- 143 * saving purposes). 144 * 145 * Non-EDID modes will force the use of GPU scaling 146 * to the native mode regardless of this setting. 147 */ 148 switch (connector->connector_type) { 149 case DRM_MODE_CONNECTOR_LVDS: 150 case DRM_MODE_CONNECTOR_eDP: 151 /* ... except prior to G80, where the code 152 * doesn't support such things. 153 */ 154 if (disp->disp.object.oclass < NV50_DISP) 155 return -EINVAL; 156 break; 157 default: 158 break; 159 } 160 case DRM_MODE_SCALE_FULLSCREEN: 161 case DRM_MODE_SCALE_CENTER: 162 case DRM_MODE_SCALE_ASPECT: 163 break; 164 default: 165 return -EINVAL; 166 } 167 168 if (asyc->scaler.mode != val) { 169 asyc->scaler.mode = val; 170 asyc->set.scaler = true; 171 } 172 } else 173 if (property == disp->underscan_property) { 174 if (asyc->scaler.underscan.mode != val) { 175 asyc->scaler.underscan.mode = val; 176 asyc->set.scaler = true; 177 } 178 } else 179 if (property == disp->underscan_hborder_property) { 180 if (asyc->scaler.underscan.hborder != val) { 181 asyc->scaler.underscan.hborder = val; 182 asyc->set.scaler = true; 183 } 184 } else 185 if (property == disp->underscan_vborder_property) { 186 if (asyc->scaler.underscan.vborder != val) { 187 asyc->scaler.underscan.vborder = val; 188 asyc->set.scaler = true; 189 } 190 } else 191 if (property == disp->dithering_mode) { 192 if (asyc->dither.mode != val) { 193 asyc->dither.mode = val; 194 asyc->set.dither = true; 195 } 196 } else 197 if (property == disp->dithering_depth) { 198 if (asyc->dither.mode != val) { 199 asyc->dither.depth = val; 200 asyc->set.dither = true; 201 } 202 } else 203 if (property == disp->vibrant_hue_property) { 204 if (asyc->procamp.vibrant_hue != val) { 205 asyc->procamp.vibrant_hue = val; 206 asyc->set.procamp = true; 207 } 208 } else 209 if (property == disp->color_vibrance_property) { 210 if (asyc->procamp.color_vibrance != val) { 211 asyc->procamp.color_vibrance = val; 212 asyc->set.procamp = true; 213 } 214 } else { 215 return -EINVAL; 216 } 217 218 return 0; 219 } 220 221 void 222 nouveau_conn_atomic_destroy_state(struct drm_connector *connector, 223 struct drm_connector_state *state) 224 { 225 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 226 __drm_atomic_helper_connector_destroy_state(&asyc->state); 227 kfree(asyc); 228 } 229 230 struct drm_connector_state * 231 nouveau_conn_atomic_duplicate_state(struct drm_connector *connector) 232 { 233 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state); 234 struct nouveau_conn_atom *asyc; 235 if (!(asyc = kmalloc(sizeof(*asyc), GFP_KERNEL))) 236 return NULL; 237 __drm_atomic_helper_connector_duplicate_state(connector, &asyc->state); 238 asyc->dither = armc->dither; 239 asyc->scaler = armc->scaler; 240 asyc->procamp = armc->procamp; 241 asyc->set.mask = 0; 242 return &asyc->state; 243 } 244 245 void 246 nouveau_conn_reset(struct drm_connector *connector) 247 { 248 struct nouveau_conn_atom *asyc; 249 250 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL)))) 251 return; 252 253 if (connector->state) 254 __drm_atomic_helper_connector_destroy_state(connector->state); 255 __drm_atomic_helper_connector_reset(connector, &asyc->state); 256 asyc->dither.mode = DITHERING_MODE_AUTO; 257 asyc->dither.depth = DITHERING_DEPTH_AUTO; 258 asyc->scaler.mode = DRM_MODE_SCALE_NONE; 259 asyc->scaler.underscan.mode = UNDERSCAN_OFF; 260 asyc->procamp.color_vibrance = 150; 261 asyc->procamp.vibrant_hue = 90; 262 263 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) { 264 switch (connector->connector_type) { 265 case DRM_MODE_CONNECTOR_LVDS: 266 /* See note in nouveau_conn_atomic_set_property(). */ 267 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN; 268 break; 269 default: 270 break; 271 } 272 } 273 } 274 275 void 276 nouveau_conn_attach_properties(struct drm_connector *connector) 277 { 278 struct drm_device *dev = connector->dev; 279 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state); 280 struct nouveau_display *disp = nouveau_display(dev); 281 282 /* Init DVI-I specific properties. */ 283 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) 284 drm_object_attach_property(&connector->base, dev->mode_config. 285 dvi_i_subconnector_property, 0); 286 287 /* Add overscan compensation options to digital outputs. */ 288 if (disp->underscan_property && 289 (connector->connector_type == DRM_MODE_CONNECTOR_DVID || 290 connector->connector_type == DRM_MODE_CONNECTOR_DVII || 291 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 292 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) { 293 drm_object_attach_property(&connector->base, 294 disp->underscan_property, 295 UNDERSCAN_OFF); 296 drm_object_attach_property(&connector->base, 297 disp->underscan_hborder_property, 0); 298 drm_object_attach_property(&connector->base, 299 disp->underscan_vborder_property, 0); 300 } 301 302 /* Add hue and saturation options. */ 303 if (disp->vibrant_hue_property) 304 drm_object_attach_property(&connector->base, 305 disp->vibrant_hue_property, 306 armc->procamp.vibrant_hue); 307 if (disp->color_vibrance_property) 308 drm_object_attach_property(&connector->base, 309 disp->color_vibrance_property, 310 armc->procamp.color_vibrance); 311 312 /* Scaling mode property. */ 313 switch (connector->connector_type) { 314 case DRM_MODE_CONNECTOR_TV: 315 break; 316 case DRM_MODE_CONNECTOR_VGA: 317 if (disp->disp.object.oclass < NV50_DISP) 318 break; /* Can only scale on DFPs. */ 319 /* Fall-through. */ 320 default: 321 drm_object_attach_property(&connector->base, dev->mode_config. 322 scaling_mode_property, 323 armc->scaler.mode); 324 break; 325 } 326 327 /* Dithering properties. */ 328 switch (connector->connector_type) { 329 case DRM_MODE_CONNECTOR_TV: 330 case DRM_MODE_CONNECTOR_VGA: 331 break; 332 default: 333 if (disp->dithering_mode) { 334 drm_object_attach_property(&connector->base, 335 disp->dithering_mode, 336 armc->dither.mode); 337 } 338 if (disp->dithering_depth) { 339 drm_object_attach_property(&connector->base, 340 disp->dithering_depth, 341 armc->dither.depth); 342 } 343 break; 344 } 345 } 346 347 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); 348 int nouveau_tv_disable = 0; 349 module_param_named(tv_disable, nouveau_tv_disable, int, 0400); 350 351 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status"); 352 int nouveau_ignorelid = 0; 353 module_param_named(ignorelid, nouveau_ignorelid, int, 0400); 354 355 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); 356 int nouveau_duallink = 1; 357 module_param_named(duallink, nouveau_duallink, int, 0400); 358 359 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)"); 360 int nouveau_hdmimhz = 0; 361 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400); 362 363 struct nouveau_encoder * 364 find_encoder(struct drm_connector *connector, int type) 365 { 366 struct nouveau_encoder *nv_encoder; 367 struct drm_encoder *enc; 368 int i; 369 370 drm_connector_for_each_possible_encoder(connector, enc, i) { 371 nv_encoder = nouveau_encoder(enc); 372 373 if (type == DCB_OUTPUT_ANY || 374 (nv_encoder->dcb && nv_encoder->dcb->type == type)) 375 return nv_encoder; 376 } 377 378 return NULL; 379 } 380 381 struct nouveau_connector * 382 nouveau_encoder_connector_get(struct nouveau_encoder *encoder) 383 { 384 struct drm_device *dev = to_drm_encoder(encoder)->dev; 385 struct drm_connector *drm_connector; 386 387 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { 388 if (drm_connector->encoder == to_drm_encoder(encoder)) 389 return nouveau_connector(drm_connector); 390 } 391 392 return NULL; 393 } 394 395 static void 396 nouveau_connector_destroy(struct drm_connector *connector) 397 { 398 struct nouveau_connector *nv_connector = nouveau_connector(connector); 399 nvif_notify_fini(&nv_connector->hpd); 400 kfree(nv_connector->edid); 401 drm_connector_unregister(connector); 402 drm_connector_cleanup(connector); 403 if (nv_connector->aux.transfer) 404 drm_dp_aux_unregister(&nv_connector->aux); 405 kfree(connector); 406 } 407 408 static struct nouveau_encoder * 409 nouveau_connector_ddc_detect(struct drm_connector *connector) 410 { 411 struct drm_device *dev = connector->dev; 412 struct nouveau_encoder *nv_encoder = NULL, *found = NULL; 413 struct drm_encoder *encoder; 414 int i, ret; 415 bool switcheroo_ddc = false; 416 417 drm_connector_for_each_possible_encoder(connector, encoder, i) { 418 nv_encoder = nouveau_encoder(encoder); 419 420 switch (nv_encoder->dcb->type) { 421 case DCB_OUTPUT_DP: 422 ret = nouveau_dp_detect(nv_encoder); 423 if (ret == NOUVEAU_DP_MST) 424 return NULL; 425 else if (ret == NOUVEAU_DP_SST) 426 found = nv_encoder; 427 428 break; 429 case DCB_OUTPUT_LVDS: 430 switcheroo_ddc = !!(vga_switcheroo_handler_flags() & 431 VGA_SWITCHEROO_CAN_SWITCH_DDC); 432 /* fall-through */ 433 default: 434 if (!nv_encoder->i2c) 435 break; 436 437 if (switcheroo_ddc) 438 vga_switcheroo_lock_ddc(dev->pdev); 439 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 440 found = nv_encoder; 441 if (switcheroo_ddc) 442 vga_switcheroo_unlock_ddc(dev->pdev); 443 444 break; 445 } 446 if (found) 447 break; 448 } 449 450 return found; 451 } 452 453 static struct nouveau_encoder * 454 nouveau_connector_of_detect(struct drm_connector *connector) 455 { 456 #ifdef __powerpc__ 457 struct drm_device *dev = connector->dev; 458 struct nouveau_connector *nv_connector = nouveau_connector(connector); 459 struct nouveau_encoder *nv_encoder; 460 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); 461 462 if (!dn || 463 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 464 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 465 return NULL; 466 467 for_each_child_of_node(dn, cn) { 468 const char *name = of_get_property(cn, "name", NULL); 469 const void *edid = of_get_property(cn, "EDID", NULL); 470 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 471 472 if (nv_encoder->dcb->i2c_index == idx && edid) { 473 nv_connector->edid = 474 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 475 of_node_put(cn); 476 return nv_encoder; 477 } 478 } 479 #endif 480 return NULL; 481 } 482 483 static void 484 nouveau_connector_set_encoder(struct drm_connector *connector, 485 struct nouveau_encoder *nv_encoder) 486 { 487 struct nouveau_connector *nv_connector = nouveau_connector(connector); 488 struct nouveau_drm *drm = nouveau_drm(connector->dev); 489 struct drm_device *dev = connector->dev; 490 491 if (nv_connector->detected_encoder == nv_encoder) 492 return; 493 nv_connector->detected_encoder = nv_encoder; 494 495 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 496 connector->interlace_allowed = true; 497 connector->doublescan_allowed = true; 498 } else 499 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 500 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 501 connector->doublescan_allowed = false; 502 connector->interlace_allowed = false; 503 } else { 504 connector->doublescan_allowed = true; 505 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN || 506 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 507 (dev->pdev->device & 0x0ff0) != 0x0100 && 508 (dev->pdev->device & 0x0ff0) != 0x0150)) 509 /* HW is broken */ 510 connector->interlace_allowed = false; 511 else 512 connector->interlace_allowed = true; 513 } 514 515 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 516 drm_object_property_set_value(&connector->base, 517 dev->mode_config.dvi_i_subconnector_property, 518 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 519 DRM_MODE_SUBCONNECTOR_DVID : 520 DRM_MODE_SUBCONNECTOR_DVIA); 521 } 522 } 523 524 static enum drm_connector_status 525 nouveau_connector_detect(struct drm_connector *connector, bool force) 526 { 527 struct drm_device *dev = connector->dev; 528 struct nouveau_drm *drm = nouveau_drm(dev); 529 struct nouveau_connector *nv_connector = nouveau_connector(connector); 530 struct nouveau_encoder *nv_encoder = NULL; 531 struct nouveau_encoder *nv_partner; 532 struct i2c_adapter *i2c; 533 int type; 534 int ret; 535 enum drm_connector_status conn_status = connector_status_disconnected; 536 537 /* Cleanup the previous EDID block. */ 538 if (nv_connector->edid) { 539 drm_connector_update_edid_property(connector, NULL); 540 kfree(nv_connector->edid); 541 nv_connector->edid = NULL; 542 } 543 544 /* Outputs are only polled while runtime active, so resuming the 545 * device here is unnecessary (and would deadlock upon runtime suspend 546 * because it waits for polling to finish). We do however, want to 547 * prevent the autosuspend timer from elapsing during this operation 548 * if possible. 549 */ 550 if (drm_kms_helper_is_poll_worker()) { 551 pm_runtime_get_noresume(dev->dev); 552 } else { 553 ret = pm_runtime_get_sync(dev->dev); 554 if (ret < 0 && ret != -EACCES) 555 return conn_status; 556 } 557 558 nv_encoder = nouveau_connector_ddc_detect(connector); 559 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 560 if ((vga_switcheroo_handler_flags() & 561 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 562 nv_connector->type == DCB_CONNECTOR_LVDS) 563 nv_connector->edid = drm_get_edid_switcheroo(connector, 564 i2c); 565 else 566 nv_connector->edid = drm_get_edid(connector, i2c); 567 568 drm_connector_update_edid_property(connector, 569 nv_connector->edid); 570 if (!nv_connector->edid) { 571 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 572 connector->name); 573 goto detect_analog; 574 } 575 576 /* Override encoder type for DVI-I based on whether EDID 577 * says the display is digital or analog, both use the 578 * same i2c channel so the value returned from ddc_detect 579 * isn't necessarily correct. 580 */ 581 nv_partner = NULL; 582 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 583 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 584 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 585 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 586 587 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 588 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 589 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 590 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 591 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 592 type = DCB_OUTPUT_TMDS; 593 else 594 type = DCB_OUTPUT_ANALOG; 595 596 nv_encoder = find_encoder(connector, type); 597 } 598 599 nouveau_connector_set_encoder(connector, nv_encoder); 600 conn_status = connector_status_connected; 601 goto out; 602 } 603 604 nv_encoder = nouveau_connector_of_detect(connector); 605 if (nv_encoder) { 606 nouveau_connector_set_encoder(connector, nv_encoder); 607 conn_status = connector_status_connected; 608 goto out; 609 } 610 611 detect_analog: 612 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 613 if (!nv_encoder && !nouveau_tv_disable) 614 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 615 if (nv_encoder && force) { 616 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 617 const struct drm_encoder_helper_funcs *helper = 618 encoder->helper_private; 619 620 if (helper->detect(encoder, connector) == 621 connector_status_connected) { 622 nouveau_connector_set_encoder(connector, nv_encoder); 623 conn_status = connector_status_connected; 624 goto out; 625 } 626 627 } 628 629 out: 630 631 pm_runtime_mark_last_busy(dev->dev); 632 pm_runtime_put_autosuspend(dev->dev); 633 634 return conn_status; 635 } 636 637 static enum drm_connector_status 638 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 639 { 640 struct drm_device *dev = connector->dev; 641 struct nouveau_drm *drm = nouveau_drm(dev); 642 struct nouveau_connector *nv_connector = nouveau_connector(connector); 643 struct nouveau_encoder *nv_encoder = NULL; 644 enum drm_connector_status status = connector_status_disconnected; 645 646 /* Cleanup the previous EDID block. */ 647 if (nv_connector->edid) { 648 drm_connector_update_edid_property(connector, NULL); 649 kfree(nv_connector->edid); 650 nv_connector->edid = NULL; 651 } 652 653 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 654 if (!nv_encoder) 655 return connector_status_disconnected; 656 657 /* Try retrieving EDID via DDC */ 658 if (!drm->vbios.fp_no_ddc) { 659 status = nouveau_connector_detect(connector, force); 660 if (status == connector_status_connected) 661 goto out; 662 } 663 664 /* On some laptops (Sony, i'm looking at you) there appears to 665 * be no direct way of accessing the panel's EDID. The only 666 * option available to us appears to be to ask ACPI for help.. 667 * 668 * It's important this check's before trying straps, one of the 669 * said manufacturer's laptops are configured in such a way 670 * the nouveau decides an entry in the VBIOS FP mode table is 671 * valid - it's not (rh#613284) 672 */ 673 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 674 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 675 status = connector_status_connected; 676 goto out; 677 } 678 } 679 680 /* If no EDID found above, and the VBIOS indicates a hardcoded 681 * modeline is avalilable for the panel, set it as the panel's 682 * native mode and exit. 683 */ 684 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 685 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 686 status = connector_status_connected; 687 goto out; 688 } 689 690 /* Still nothing, some VBIOS images have a hardcoded EDID block 691 * stored for the panel stored in them. 692 */ 693 if (!drm->vbios.fp_no_ddc) { 694 struct edid *edid = 695 (struct edid *)nouveau_bios_embedded_edid(dev); 696 if (edid) { 697 nv_connector->edid = 698 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 699 if (nv_connector->edid) 700 status = connector_status_connected; 701 } 702 } 703 704 out: 705 #if defined(CONFIG_ACPI_BUTTON) || \ 706 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 707 if (status == connector_status_connected && 708 !nouveau_ignorelid && !acpi_lid_open()) 709 status = connector_status_unknown; 710 #endif 711 712 drm_connector_update_edid_property(connector, nv_connector->edid); 713 nouveau_connector_set_encoder(connector, nv_encoder); 714 return status; 715 } 716 717 static void 718 nouveau_connector_force(struct drm_connector *connector) 719 { 720 struct nouveau_drm *drm = nouveau_drm(connector->dev); 721 struct nouveau_connector *nv_connector = nouveau_connector(connector); 722 struct nouveau_encoder *nv_encoder; 723 int type; 724 725 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 726 if (connector->force == DRM_FORCE_ON_DIGITAL) 727 type = DCB_OUTPUT_TMDS; 728 else 729 type = DCB_OUTPUT_ANALOG; 730 } else 731 type = DCB_OUTPUT_ANY; 732 733 nv_encoder = find_encoder(connector, type); 734 if (!nv_encoder) { 735 NV_ERROR(drm, "can't find encoder to force %s on!\n", 736 connector->name); 737 connector->status = connector_status_disconnected; 738 return; 739 } 740 741 nouveau_connector_set_encoder(connector, nv_encoder); 742 } 743 744 static int 745 nouveau_connector_set_property(struct drm_connector *connector, 746 struct drm_property *property, uint64_t value) 747 { 748 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state); 749 struct nouveau_connector *nv_connector = nouveau_connector(connector); 750 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 751 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 752 int ret; 753 754 ret = connector->funcs->atomic_set_property(&nv_connector->base, 755 &asyc->state, 756 property, value); 757 if (ret) { 758 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 759 return get_slave_funcs(encoder)->set_property( 760 encoder, connector, property, value); 761 return ret; 762 } 763 764 nv_connector->scaling_mode = asyc->scaler.mode; 765 nv_connector->dithering_mode = asyc->dither.mode; 766 767 if (connector->encoder && connector->encoder->crtc) { 768 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 769 &connector->encoder->crtc->mode, 770 connector->encoder->crtc->x, 771 connector->encoder->crtc->y, 772 NULL); 773 if (!ret) 774 return -EINVAL; 775 } 776 777 return 0; 778 } 779 780 struct moderec { 781 int hdisplay; 782 int vdisplay; 783 }; 784 785 static struct moderec scaler_modes[] = { 786 { 1920, 1200 }, 787 { 1920, 1080 }, 788 { 1680, 1050 }, 789 { 1600, 1200 }, 790 { 1400, 1050 }, 791 { 1280, 1024 }, 792 { 1280, 960 }, 793 { 1152, 864 }, 794 { 1024, 768 }, 795 { 800, 600 }, 796 { 720, 400 }, 797 { 640, 480 }, 798 { 640, 400 }, 799 { 640, 350 }, 800 {} 801 }; 802 803 static int 804 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 805 { 806 struct nouveau_connector *nv_connector = nouveau_connector(connector); 807 struct drm_display_mode *native = nv_connector->native_mode, *m; 808 struct drm_device *dev = connector->dev; 809 struct moderec *mode = &scaler_modes[0]; 810 int modes = 0; 811 812 if (!native) 813 return 0; 814 815 while (mode->hdisplay) { 816 if (mode->hdisplay <= native->hdisplay && 817 mode->vdisplay <= native->vdisplay && 818 (mode->hdisplay != native->hdisplay || 819 mode->vdisplay != native->vdisplay)) { 820 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 821 drm_mode_vrefresh(native), false, 822 false, false); 823 if (!m) 824 continue; 825 826 drm_mode_probed_add(connector, m); 827 modes++; 828 } 829 830 mode++; 831 } 832 833 return modes; 834 } 835 836 static void 837 nouveau_connector_detect_depth(struct drm_connector *connector) 838 { 839 struct nouveau_drm *drm = nouveau_drm(connector->dev); 840 struct nouveau_connector *nv_connector = nouveau_connector(connector); 841 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 842 struct nvbios *bios = &drm->vbios; 843 struct drm_display_mode *mode = nv_connector->native_mode; 844 bool duallink; 845 846 /* if the edid is feeling nice enough to provide this info, use it */ 847 if (nv_connector->edid && connector->display_info.bpc) 848 return; 849 850 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 851 if (nv_connector->type == DCB_CONNECTOR_eDP) { 852 connector->display_info.bpc = 6; 853 return; 854 } 855 856 /* we're out of options unless we're LVDS, default to 8bpc */ 857 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 858 connector->display_info.bpc = 8; 859 return; 860 } 861 862 connector->display_info.bpc = 6; 863 864 /* LVDS: panel straps */ 865 if (bios->fp_no_ddc) { 866 if (bios->fp.if_is_24bit) 867 connector->display_info.bpc = 8; 868 return; 869 } 870 871 /* LVDS: DDC panel, need to first determine the number of links to 872 * know which if_is_24bit flag to check... 873 */ 874 if (nv_connector->edid && 875 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 876 duallink = ((u8 *)nv_connector->edid)[121] == 2; 877 else 878 duallink = mode->clock >= bios->fp.duallink_transition_clk; 879 880 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 881 ( duallink && (bios->fp.strapless_is_24bit & 2))) 882 connector->display_info.bpc = 8; 883 } 884 885 static int 886 nouveau_connector_get_modes(struct drm_connector *connector) 887 { 888 struct drm_device *dev = connector->dev; 889 struct nouveau_drm *drm = nouveau_drm(dev); 890 struct nouveau_connector *nv_connector = nouveau_connector(connector); 891 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 892 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 893 int ret = 0; 894 895 /* destroy the native mode, the attached monitor could have changed. 896 */ 897 if (nv_connector->native_mode) { 898 drm_mode_destroy(dev, nv_connector->native_mode); 899 nv_connector->native_mode = NULL; 900 } 901 902 if (nv_connector->edid) 903 ret = drm_add_edid_modes(connector, nv_connector->edid); 904 else 905 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 906 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 907 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 908 struct drm_display_mode mode; 909 910 nouveau_bios_fp_mode(dev, &mode); 911 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 912 } 913 914 /* Determine display colour depth for everything except LVDS now, 915 * DP requires this before mode_valid() is called. 916 */ 917 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 918 nouveau_connector_detect_depth(connector); 919 920 /* Find the native mode if this is a digital panel, if we didn't 921 * find any modes through DDC previously add the native mode to 922 * the list of modes. 923 */ 924 if (!nv_connector->native_mode) 925 nv_connector->native_mode = nouveau_conn_native_mode(connector); 926 if (ret == 0 && nv_connector->native_mode) { 927 struct drm_display_mode *mode; 928 929 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 930 drm_mode_probed_add(connector, mode); 931 ret = 1; 932 } 933 934 /* Determine LVDS colour depth, must happen after determining 935 * "native" mode as some VBIOS tables require us to use the 936 * pixel clock as part of the lookup... 937 */ 938 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 939 nouveau_connector_detect_depth(connector); 940 941 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 942 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 943 944 if (nv_connector->type == DCB_CONNECTOR_LVDS || 945 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 946 nv_connector->type == DCB_CONNECTOR_eDP) 947 ret += nouveau_connector_scaler_modes_add(connector); 948 949 return ret; 950 } 951 952 static unsigned 953 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi) 954 { 955 struct nouveau_connector *nv_connector = nouveau_connector(connector); 956 struct nouveau_drm *drm = nouveau_drm(connector->dev); 957 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 958 959 if (hdmi) { 960 if (nouveau_hdmimhz > 0) 961 return nouveau_hdmimhz * 1000; 962 /* Note: these limits are conservative, some Fermi's 963 * can do 297 MHz. Unclear how this can be determined. 964 */ 965 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 966 return 297000; 967 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 968 return 225000; 969 } 970 if (dcb->location != DCB_LOC_ON_CHIP || 971 drm->client.device.info.chipset >= 0x46) 972 return 165000; 973 else if (drm->client.device.info.chipset >= 0x40) 974 return 155000; 975 else if (drm->client.device.info.chipset >= 0x18) 976 return 135000; 977 else 978 return 112000; 979 } 980 981 static enum drm_mode_status 982 nouveau_connector_mode_valid(struct drm_connector *connector, 983 struct drm_display_mode *mode) 984 { 985 struct nouveau_connector *nv_connector = nouveau_connector(connector); 986 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 987 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 988 unsigned min_clock = 25000, max_clock = min_clock; 989 unsigned clock = mode->clock; 990 bool hdmi; 991 992 switch (nv_encoder->dcb->type) { 993 case DCB_OUTPUT_LVDS: 994 if (nv_connector->native_mode && 995 (mode->hdisplay > nv_connector->native_mode->hdisplay || 996 mode->vdisplay > nv_connector->native_mode->vdisplay)) 997 return MODE_PANEL; 998 999 min_clock = 0; 1000 max_clock = 400000; 1001 break; 1002 case DCB_OUTPUT_TMDS: 1003 hdmi = drm_detect_hdmi_monitor(nv_connector->edid); 1004 max_clock = get_tmds_link_bandwidth(connector, hdmi); 1005 if (!hdmi && nouveau_duallink && 1006 nv_encoder->dcb->duallink_possible) 1007 max_clock *= 2; 1008 break; 1009 case DCB_OUTPUT_ANALOG: 1010 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1011 if (!max_clock) 1012 max_clock = 350000; 1013 break; 1014 case DCB_OUTPUT_TV: 1015 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1016 case DCB_OUTPUT_DP: 1017 max_clock = nv_encoder->dp.link_nr; 1018 max_clock *= nv_encoder->dp.link_bw; 1019 clock = clock * (connector->display_info.bpc * 3) / 10; 1020 break; 1021 default: 1022 BUG(); 1023 return MODE_BAD; 1024 } 1025 1026 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1027 clock *= 2; 1028 1029 if (clock < min_clock) 1030 return MODE_CLOCK_LOW; 1031 1032 if (clock > max_clock) 1033 return MODE_CLOCK_HIGH; 1034 1035 return MODE_OK; 1036 } 1037 1038 static struct drm_encoder * 1039 nouveau_connector_best_encoder(struct drm_connector *connector) 1040 { 1041 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1042 1043 if (nv_connector->detected_encoder) 1044 return to_drm_encoder(nv_connector->detected_encoder); 1045 1046 return NULL; 1047 } 1048 1049 static const struct drm_connector_helper_funcs 1050 nouveau_connector_helper_funcs = { 1051 .get_modes = nouveau_connector_get_modes, 1052 .mode_valid = nouveau_connector_mode_valid, 1053 .best_encoder = nouveau_connector_best_encoder, 1054 }; 1055 1056 static const struct drm_connector_funcs 1057 nouveau_connector_funcs = { 1058 .dpms = drm_helper_connector_dpms, 1059 .reset = nouveau_conn_reset, 1060 .detect = nouveau_connector_detect, 1061 .force = nouveau_connector_force, 1062 .fill_modes = drm_helper_probe_single_connector_modes, 1063 .set_property = nouveau_connector_set_property, 1064 .destroy = nouveau_connector_destroy, 1065 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1066 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1067 .atomic_set_property = nouveau_conn_atomic_set_property, 1068 .atomic_get_property = nouveau_conn_atomic_get_property, 1069 }; 1070 1071 static const struct drm_connector_funcs 1072 nouveau_connector_funcs_lvds = { 1073 .dpms = drm_helper_connector_dpms, 1074 .reset = nouveau_conn_reset, 1075 .detect = nouveau_connector_detect_lvds, 1076 .force = nouveau_connector_force, 1077 .fill_modes = drm_helper_probe_single_connector_modes, 1078 .set_property = nouveau_connector_set_property, 1079 .destroy = nouveau_connector_destroy, 1080 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1081 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1082 .atomic_set_property = nouveau_conn_atomic_set_property, 1083 .atomic_get_property = nouveau_conn_atomic_get_property, 1084 }; 1085 1086 static int 1087 nouveau_connector_hotplug(struct nvif_notify *notify) 1088 { 1089 struct nouveau_connector *nv_connector = 1090 container_of(notify, typeof(*nv_connector), hpd); 1091 struct drm_connector *connector = &nv_connector->base; 1092 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1093 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1094 const char *name = connector->name; 1095 struct nouveau_encoder *nv_encoder; 1096 int ret; 1097 1098 ret = pm_runtime_get(drm->dev->dev); 1099 if (ret == 0) { 1100 /* We can't block here if there's a pending PM request 1101 * running, as we'll deadlock nouveau_display_fini() when it 1102 * calls nvif_put() on our nvif_notify struct. So, simply 1103 * defer the hotplug event until the device finishes resuming 1104 */ 1105 NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n", 1106 name); 1107 schedule_work(&drm->hpd_work); 1108 1109 pm_runtime_put_noidle(drm->dev->dev); 1110 return NVIF_NOTIFY_KEEP; 1111 } else if (ret != 1 && ret != -EACCES) { 1112 NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n", 1113 name, ret); 1114 return NVIF_NOTIFY_DROP; 1115 } 1116 1117 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1118 NV_DEBUG(drm, "service %s\n", name); 1119 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1120 nv50_mstm_service(nv_encoder->dp.mstm); 1121 } else { 1122 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1123 1124 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1125 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1126 if (!plugged) 1127 nv50_mstm_remove(nv_encoder->dp.mstm); 1128 } 1129 1130 drm_helper_hpd_irq_event(connector->dev); 1131 } 1132 1133 pm_runtime_mark_last_busy(drm->dev->dev); 1134 pm_runtime_put_autosuspend(drm->dev->dev); 1135 return NVIF_NOTIFY_KEEP; 1136 } 1137 1138 static ssize_t 1139 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1140 { 1141 struct nouveau_connector *nv_connector = 1142 container_of(obj, typeof(*nv_connector), aux); 1143 struct nouveau_encoder *nv_encoder; 1144 struct nvkm_i2c_aux *aux; 1145 u8 size = msg->size; 1146 int ret; 1147 1148 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1149 if (!nv_encoder || !(aux = nv_encoder->aux)) 1150 return -ENODEV; 1151 if (WARN_ON(msg->size > 16)) 1152 return -E2BIG; 1153 1154 ret = nvkm_i2c_aux_acquire(aux); 1155 if (ret) 1156 return ret; 1157 1158 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1159 msg->buffer, &size); 1160 nvkm_i2c_aux_release(aux); 1161 if (ret >= 0) { 1162 msg->reply = ret; 1163 return size; 1164 } 1165 1166 return ret; 1167 } 1168 1169 static int 1170 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1171 { 1172 switch (dcb) { 1173 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1174 case DCB_CONNECTOR_TV_0 : 1175 case DCB_CONNECTOR_TV_1 : 1176 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1177 case DCB_CONNECTOR_DMS59_0 : 1178 case DCB_CONNECTOR_DMS59_1 : 1179 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1180 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1181 case DCB_CONNECTOR_LVDS : 1182 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1183 case DCB_CONNECTOR_DMS59_DP0: 1184 case DCB_CONNECTOR_DMS59_DP1: 1185 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort; 1186 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1187 case DCB_CONNECTOR_HDMI_0 : 1188 case DCB_CONNECTOR_HDMI_1 : 1189 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1190 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1191 default: 1192 break; 1193 } 1194 1195 return DRM_MODE_CONNECTOR_Unknown; 1196 } 1197 1198 struct drm_connector * 1199 nouveau_connector_create(struct drm_device *dev, int index) 1200 { 1201 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1202 struct nouveau_drm *drm = nouveau_drm(dev); 1203 struct nouveau_display *disp = nouveau_display(dev); 1204 struct nouveau_connector *nv_connector = NULL; 1205 struct drm_connector *connector; 1206 struct drm_connector_list_iter conn_iter; 1207 int type, ret = 0; 1208 bool dummy; 1209 1210 drm_connector_list_iter_begin(dev, &conn_iter); 1211 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1212 nv_connector = nouveau_connector(connector); 1213 if (nv_connector->index == index) { 1214 drm_connector_list_iter_end(&conn_iter); 1215 return connector; 1216 } 1217 } 1218 drm_connector_list_iter_end(&conn_iter); 1219 1220 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1221 if (!nv_connector) 1222 return ERR_PTR(-ENOMEM); 1223 1224 connector = &nv_connector->base; 1225 nv_connector->index = index; 1226 1227 /* attempt to parse vbios connector type and hotplug gpio */ 1228 nv_connector->dcb = olddcb_conn(dev, index); 1229 if (nv_connector->dcb) { 1230 u32 entry = ROM16(nv_connector->dcb[0]); 1231 if (olddcb_conntab(dev)[3] >= 4) 1232 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1233 1234 nv_connector->type = nv_connector->dcb[0]; 1235 if (drm_conntype_from_dcb(nv_connector->type) == 1236 DRM_MODE_CONNECTOR_Unknown) { 1237 NV_WARN(drm, "unknown connector type %02x\n", 1238 nv_connector->type); 1239 nv_connector->type = DCB_CONNECTOR_NONE; 1240 } 1241 1242 /* Gigabyte NX85T */ 1243 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1244 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1245 nv_connector->type = DCB_CONNECTOR_DVI_I; 1246 } 1247 1248 /* Gigabyte GV-NX86T512H */ 1249 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1250 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1251 nv_connector->type = DCB_CONNECTOR_DVI_I; 1252 } 1253 } else { 1254 nv_connector->type = DCB_CONNECTOR_NONE; 1255 } 1256 1257 /* no vbios data, or an unknown dcb connector type - attempt to 1258 * figure out something suitable ourselves 1259 */ 1260 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1261 struct nouveau_drm *drm = nouveau_drm(dev); 1262 struct dcb_table *dcbt = &drm->vbios.dcb; 1263 u32 encoders = 0; 1264 int i; 1265 1266 for (i = 0; i < dcbt->entries; i++) { 1267 if (dcbt->entry[i].connector == nv_connector->index) 1268 encoders |= (1 << dcbt->entry[i].type); 1269 } 1270 1271 if (encoders & (1 << DCB_OUTPUT_DP)) { 1272 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1273 nv_connector->type = DCB_CONNECTOR_DP; 1274 else 1275 nv_connector->type = DCB_CONNECTOR_eDP; 1276 } else 1277 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1278 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1279 nv_connector->type = DCB_CONNECTOR_DVI_I; 1280 else 1281 nv_connector->type = DCB_CONNECTOR_DVI_D; 1282 } else 1283 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1284 nv_connector->type = DCB_CONNECTOR_VGA; 1285 } else 1286 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1287 nv_connector->type = DCB_CONNECTOR_LVDS; 1288 } else 1289 if (encoders & (1 << DCB_OUTPUT_TV)) { 1290 nv_connector->type = DCB_CONNECTOR_TV_0; 1291 } 1292 } 1293 1294 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1295 case DRM_MODE_CONNECTOR_LVDS: 1296 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1297 if (ret) { 1298 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1299 kfree(nv_connector); 1300 return ERR_PTR(ret); 1301 } 1302 1303 funcs = &nouveau_connector_funcs_lvds; 1304 break; 1305 case DRM_MODE_CONNECTOR_DisplayPort: 1306 case DRM_MODE_CONNECTOR_eDP: 1307 nv_connector->aux.dev = dev->dev; 1308 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1309 ret = drm_dp_aux_register(&nv_connector->aux); 1310 if (ret) { 1311 NV_ERROR(drm, "failed to register aux channel\n"); 1312 kfree(nv_connector); 1313 return ERR_PTR(ret); 1314 } 1315 1316 funcs = &nouveau_connector_funcs; 1317 break; 1318 default: 1319 funcs = &nouveau_connector_funcs; 1320 break; 1321 } 1322 1323 /* HDMI 3D support */ 1324 if ((disp->disp.object.oclass >= G82_DISP) 1325 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1326 || (type == DRM_MODE_CONNECTOR_eDP) 1327 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1328 connector->stereo_allowed = true; 1329 1330 /* defaults, will get overridden in detect() */ 1331 connector->interlace_allowed = false; 1332 connector->doublescan_allowed = false; 1333 1334 drm_connector_init(dev, connector, funcs, type); 1335 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1336 1337 connector->funcs->reset(connector); 1338 nouveau_conn_attach_properties(connector); 1339 1340 /* Default scaling mode */ 1341 switch (nv_connector->type) { 1342 case DCB_CONNECTOR_LVDS: 1343 case DCB_CONNECTOR_LVDS_SPWG: 1344 case DCB_CONNECTOR_eDP: 1345 /* see note in nouveau_connector_set_property() */ 1346 if (disp->disp.object.oclass < NV50_DISP) { 1347 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1348 break; 1349 } 1350 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1351 break; 1352 default: 1353 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1354 break; 1355 } 1356 1357 /* dithering properties */ 1358 switch (nv_connector->type) { 1359 case DCB_CONNECTOR_TV_0: 1360 case DCB_CONNECTOR_TV_1: 1361 case DCB_CONNECTOR_TV_3: 1362 case DCB_CONNECTOR_VGA: 1363 break; 1364 default: 1365 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1366 break; 1367 } 1368 1369 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug, 1370 true, NV04_DISP_NTFY_CONN, 1371 &(struct nvif_notify_conn_req_v0) { 1372 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1373 .conn = index, 1374 }, 1375 sizeof(struct nvif_notify_conn_req_v0), 1376 sizeof(struct nvif_notify_conn_rep_v0), 1377 &nv_connector->hpd); 1378 if (ret) 1379 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1380 else 1381 connector->polled = DRM_CONNECTOR_POLL_HPD; 1382 1383 drm_connector_register(connector); 1384 return connector; 1385 } 1386