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/drm_atomic_helper.h> 33 #include <drm/drm_edid.h> 34 #include <drm/drm_crtc_helper.h> 35 #include <drm/drm_probe_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 "dispnv50/disp.h" 42 #include "nouveau_acpi.h" 43 44 #include "nouveau_display.h" 45 #include "nouveau_connector.h" 46 #include "nouveau_encoder.h" 47 #include "nouveau_crtc.h" 48 49 #include <nvif/class.h> 50 #include <nvif/cl0046.h> 51 #include <nvif/event.h> 52 53 struct drm_display_mode * 54 nouveau_conn_native_mode(struct drm_connector *connector) 55 { 56 const struct drm_connector_helper_funcs *helper = connector->helper_private; 57 struct nouveau_drm *drm = nouveau_drm(connector->dev); 58 struct drm_device *dev = connector->dev; 59 struct drm_display_mode *mode, *largest = NULL; 60 int high_w = 0, high_h = 0, high_v = 0; 61 62 list_for_each_entry(mode, &connector->probed_modes, head) { 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 drm_mode_vrefresh(mode) < high_v) 84 continue; 85 86 high_w = mode->hdisplay; 87 high_h = mode->vdisplay; 88 high_v = drm_mode_vrefresh(mode); 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_connector *nv_connector = nouveau_connector(connector); 249 struct nouveau_conn_atom *asyc; 250 251 if (drm_drv_uses_atomic_modeset(connector->dev)) { 252 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL)))) 253 return; 254 255 if (connector->state) 256 nouveau_conn_atomic_destroy_state(connector, 257 connector->state); 258 259 __drm_atomic_helper_connector_reset(connector, &asyc->state); 260 } else { 261 asyc = &nv_connector->properties_state; 262 } 263 264 asyc->dither.mode = DITHERING_MODE_AUTO; 265 asyc->dither.depth = DITHERING_DEPTH_AUTO; 266 asyc->scaler.mode = DRM_MODE_SCALE_NONE; 267 asyc->scaler.underscan.mode = UNDERSCAN_OFF; 268 asyc->procamp.color_vibrance = 150; 269 asyc->procamp.vibrant_hue = 90; 270 271 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) { 272 switch (connector->connector_type) { 273 case DRM_MODE_CONNECTOR_LVDS: 274 /* See note in nouveau_conn_atomic_set_property(). */ 275 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN; 276 break; 277 default: 278 break; 279 } 280 } 281 } 282 283 void 284 nouveau_conn_attach_properties(struct drm_connector *connector) 285 { 286 struct drm_device *dev = connector->dev; 287 struct nouveau_display *disp = nouveau_display(dev); 288 struct nouveau_connector *nv_connector = nouveau_connector(connector); 289 struct nouveau_conn_atom *armc; 290 291 if (drm_drv_uses_atomic_modeset(connector->dev)) 292 armc = nouveau_conn_atom(connector->state); 293 else 294 armc = &nv_connector->properties_state; 295 296 /* Init DVI-I specific properties. */ 297 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) 298 drm_object_attach_property(&connector->base, dev->mode_config. 299 dvi_i_subconnector_property, 0); 300 301 /* Add overscan compensation options to digital outputs. */ 302 if (disp->underscan_property && 303 (connector->connector_type == DRM_MODE_CONNECTOR_DVID || 304 connector->connector_type == DRM_MODE_CONNECTOR_DVII || 305 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 306 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) { 307 drm_object_attach_property(&connector->base, 308 disp->underscan_property, 309 UNDERSCAN_OFF); 310 drm_object_attach_property(&connector->base, 311 disp->underscan_hborder_property, 0); 312 drm_object_attach_property(&connector->base, 313 disp->underscan_vborder_property, 0); 314 } 315 316 /* Add hue and saturation options. */ 317 if (disp->vibrant_hue_property) 318 drm_object_attach_property(&connector->base, 319 disp->vibrant_hue_property, 320 armc->procamp.vibrant_hue); 321 if (disp->color_vibrance_property) 322 drm_object_attach_property(&connector->base, 323 disp->color_vibrance_property, 324 armc->procamp.color_vibrance); 325 326 /* Scaling mode property. */ 327 switch (connector->connector_type) { 328 case DRM_MODE_CONNECTOR_TV: 329 break; 330 case DRM_MODE_CONNECTOR_VGA: 331 if (disp->disp.object.oclass < NV50_DISP) 332 break; /* Can only scale on DFPs. */ 333 /* Fall-through. */ 334 default: 335 drm_object_attach_property(&connector->base, dev->mode_config. 336 scaling_mode_property, 337 armc->scaler.mode); 338 break; 339 } 340 341 /* Dithering properties. */ 342 switch (connector->connector_type) { 343 case DRM_MODE_CONNECTOR_TV: 344 case DRM_MODE_CONNECTOR_VGA: 345 break; 346 default: 347 if (disp->dithering_mode) { 348 drm_object_attach_property(&connector->base, 349 disp->dithering_mode, 350 armc->dither.mode); 351 } 352 if (disp->dithering_depth) { 353 drm_object_attach_property(&connector->base, 354 disp->dithering_depth, 355 armc->dither.depth); 356 } 357 break; 358 } 359 } 360 361 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); 362 int nouveau_tv_disable = 0; 363 module_param_named(tv_disable, nouveau_tv_disable, int, 0400); 364 365 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status"); 366 int nouveau_ignorelid = 0; 367 module_param_named(ignorelid, nouveau_ignorelid, int, 0400); 368 369 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); 370 int nouveau_duallink = 1; 371 module_param_named(duallink, nouveau_duallink, int, 0400); 372 373 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)"); 374 int nouveau_hdmimhz = 0; 375 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400); 376 377 struct nouveau_encoder * 378 find_encoder(struct drm_connector *connector, int type) 379 { 380 struct nouveau_encoder *nv_encoder; 381 struct drm_encoder *enc; 382 383 drm_connector_for_each_possible_encoder(connector, enc) { 384 nv_encoder = nouveau_encoder(enc); 385 386 if (type == DCB_OUTPUT_ANY || 387 (nv_encoder->dcb && nv_encoder->dcb->type == type)) 388 return nv_encoder; 389 } 390 391 return NULL; 392 } 393 394 struct nouveau_connector * 395 nouveau_encoder_connector_get(struct nouveau_encoder *encoder) 396 { 397 struct drm_device *dev = to_drm_encoder(encoder)->dev; 398 struct drm_connector *drm_connector; 399 400 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { 401 if (drm_connector->encoder == to_drm_encoder(encoder)) 402 return nouveau_connector(drm_connector); 403 } 404 405 return NULL; 406 } 407 408 static void 409 nouveau_connector_destroy(struct drm_connector *connector) 410 { 411 struct nouveau_connector *nv_connector = nouveau_connector(connector); 412 nvif_notify_fini(&nv_connector->hpd); 413 kfree(nv_connector->edid); 414 drm_connector_unregister(connector); 415 drm_connector_cleanup(connector); 416 if (nv_connector->aux.transfer) { 417 drm_dp_cec_unregister_connector(&nv_connector->aux); 418 drm_dp_aux_unregister(&nv_connector->aux); 419 kfree(nv_connector->aux.name); 420 } 421 kfree(connector); 422 } 423 424 static struct nouveau_encoder * 425 nouveau_connector_ddc_detect(struct drm_connector *connector) 426 { 427 struct drm_device *dev = connector->dev; 428 struct nouveau_encoder *nv_encoder = NULL, *found = NULL; 429 struct drm_encoder *encoder; 430 int ret; 431 bool switcheroo_ddc = false; 432 433 drm_connector_for_each_possible_encoder(connector, encoder) { 434 nv_encoder = nouveau_encoder(encoder); 435 436 switch (nv_encoder->dcb->type) { 437 case DCB_OUTPUT_DP: 438 ret = nouveau_dp_detect(nv_encoder); 439 if (ret == NOUVEAU_DP_MST) 440 return NULL; 441 else if (ret == NOUVEAU_DP_SST) 442 found = nv_encoder; 443 444 break; 445 case DCB_OUTPUT_LVDS: 446 switcheroo_ddc = !!(vga_switcheroo_handler_flags() & 447 VGA_SWITCHEROO_CAN_SWITCH_DDC); 448 /* fall-through */ 449 default: 450 if (!nv_encoder->i2c) 451 break; 452 453 if (switcheroo_ddc) 454 vga_switcheroo_lock_ddc(dev->pdev); 455 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 456 found = nv_encoder; 457 if (switcheroo_ddc) 458 vga_switcheroo_unlock_ddc(dev->pdev); 459 460 break; 461 } 462 if (found) 463 break; 464 } 465 466 return found; 467 } 468 469 static struct nouveau_encoder * 470 nouveau_connector_of_detect(struct drm_connector *connector) 471 { 472 #ifdef __powerpc__ 473 struct drm_device *dev = connector->dev; 474 struct nouveau_connector *nv_connector = nouveau_connector(connector); 475 struct nouveau_encoder *nv_encoder; 476 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); 477 478 if (!dn || 479 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 480 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 481 return NULL; 482 483 for_each_child_of_node(dn, cn) { 484 const char *name = of_get_property(cn, "name", NULL); 485 const void *edid = of_get_property(cn, "EDID", NULL); 486 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 487 488 if (nv_encoder->dcb->i2c_index == idx && edid) { 489 nv_connector->edid = 490 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 491 of_node_put(cn); 492 return nv_encoder; 493 } 494 } 495 #endif 496 return NULL; 497 } 498 499 static void 500 nouveau_connector_set_encoder(struct drm_connector *connector, 501 struct nouveau_encoder *nv_encoder) 502 { 503 struct nouveau_connector *nv_connector = nouveau_connector(connector); 504 struct nouveau_drm *drm = nouveau_drm(connector->dev); 505 struct drm_device *dev = connector->dev; 506 507 if (nv_connector->detected_encoder == nv_encoder) 508 return; 509 nv_connector->detected_encoder = nv_encoder; 510 511 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 512 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) 513 connector->interlace_allowed = 514 nv_encoder->caps.dp_interlace; 515 else 516 connector->interlace_allowed = true; 517 connector->doublescan_allowed = true; 518 } else 519 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 520 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 521 connector->doublescan_allowed = false; 522 connector->interlace_allowed = false; 523 } else { 524 connector->doublescan_allowed = true; 525 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN || 526 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 527 (dev->pdev->device & 0x0ff0) != 0x0100 && 528 (dev->pdev->device & 0x0ff0) != 0x0150)) 529 /* HW is broken */ 530 connector->interlace_allowed = false; 531 else 532 connector->interlace_allowed = true; 533 } 534 535 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 536 drm_object_property_set_value(&connector->base, 537 dev->mode_config.dvi_i_subconnector_property, 538 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 539 DRM_MODE_SUBCONNECTOR_DVID : 540 DRM_MODE_SUBCONNECTOR_DVIA); 541 } 542 } 543 544 static enum drm_connector_status 545 nouveau_connector_detect(struct drm_connector *connector, bool force) 546 { 547 struct drm_device *dev = connector->dev; 548 struct nouveau_drm *drm = nouveau_drm(dev); 549 struct nouveau_connector *nv_connector = nouveau_connector(connector); 550 struct nouveau_encoder *nv_encoder = NULL; 551 struct nouveau_encoder *nv_partner; 552 struct i2c_adapter *i2c; 553 int type; 554 int ret; 555 enum drm_connector_status conn_status = connector_status_disconnected; 556 557 /* Cleanup the previous EDID block. */ 558 if (nv_connector->edid) { 559 drm_connector_update_edid_property(connector, NULL); 560 kfree(nv_connector->edid); 561 nv_connector->edid = NULL; 562 } 563 564 /* Outputs are only polled while runtime active, so resuming the 565 * device here is unnecessary (and would deadlock upon runtime suspend 566 * because it waits for polling to finish). We do however, want to 567 * prevent the autosuspend timer from elapsing during this operation 568 * if possible. 569 */ 570 if (drm_kms_helper_is_poll_worker()) { 571 pm_runtime_get_noresume(dev->dev); 572 } else { 573 ret = pm_runtime_get_sync(dev->dev); 574 if (ret < 0 && ret != -EACCES) 575 return conn_status; 576 } 577 578 nv_encoder = nouveau_connector_ddc_detect(connector); 579 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 580 if ((vga_switcheroo_handler_flags() & 581 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 582 nv_connector->type == DCB_CONNECTOR_LVDS) 583 nv_connector->edid = drm_get_edid_switcheroo(connector, 584 i2c); 585 else 586 nv_connector->edid = drm_get_edid(connector, i2c); 587 588 drm_connector_update_edid_property(connector, 589 nv_connector->edid); 590 if (!nv_connector->edid) { 591 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 592 connector->name); 593 goto detect_analog; 594 } 595 596 /* Override encoder type for DVI-I based on whether EDID 597 * says the display is digital or analog, both use the 598 * same i2c channel so the value returned from ddc_detect 599 * isn't necessarily correct. 600 */ 601 nv_partner = NULL; 602 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 603 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 604 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 605 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 606 607 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 608 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 609 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 610 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 611 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 612 type = DCB_OUTPUT_TMDS; 613 else 614 type = DCB_OUTPUT_ANALOG; 615 616 nv_encoder = find_encoder(connector, type); 617 } 618 619 nouveau_connector_set_encoder(connector, nv_encoder); 620 conn_status = connector_status_connected; 621 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); 622 goto out; 623 } 624 625 nv_encoder = nouveau_connector_of_detect(connector); 626 if (nv_encoder) { 627 nouveau_connector_set_encoder(connector, nv_encoder); 628 conn_status = connector_status_connected; 629 goto out; 630 } 631 632 detect_analog: 633 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 634 if (!nv_encoder && !nouveau_tv_disable) 635 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 636 if (nv_encoder && force) { 637 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 638 const struct drm_encoder_helper_funcs *helper = 639 encoder->helper_private; 640 641 if (helper->detect(encoder, connector) == 642 connector_status_connected) { 643 nouveau_connector_set_encoder(connector, nv_encoder); 644 conn_status = connector_status_connected; 645 goto out; 646 } 647 648 } 649 650 out: 651 652 pm_runtime_mark_last_busy(dev->dev); 653 pm_runtime_put_autosuspend(dev->dev); 654 655 return conn_status; 656 } 657 658 static enum drm_connector_status 659 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 660 { 661 struct drm_device *dev = connector->dev; 662 struct nouveau_drm *drm = nouveau_drm(dev); 663 struct nouveau_connector *nv_connector = nouveau_connector(connector); 664 struct nouveau_encoder *nv_encoder = NULL; 665 enum drm_connector_status status = connector_status_disconnected; 666 667 /* Cleanup the previous EDID block. */ 668 if (nv_connector->edid) { 669 drm_connector_update_edid_property(connector, NULL); 670 kfree(nv_connector->edid); 671 nv_connector->edid = NULL; 672 } 673 674 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 675 if (!nv_encoder) 676 return connector_status_disconnected; 677 678 /* Try retrieving EDID via DDC */ 679 if (!drm->vbios.fp_no_ddc) { 680 status = nouveau_connector_detect(connector, force); 681 if (status == connector_status_connected) 682 goto out; 683 } 684 685 /* On some laptops (Sony, i'm looking at you) there appears to 686 * be no direct way of accessing the panel's EDID. The only 687 * option available to us appears to be to ask ACPI for help.. 688 * 689 * It's important this check's before trying straps, one of the 690 * said manufacturer's laptops are configured in such a way 691 * the nouveau decides an entry in the VBIOS FP mode table is 692 * valid - it's not (rh#613284) 693 */ 694 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 695 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 696 status = connector_status_connected; 697 goto out; 698 } 699 } 700 701 /* If no EDID found above, and the VBIOS indicates a hardcoded 702 * modeline is avalilable for the panel, set it as the panel's 703 * native mode and exit. 704 */ 705 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 706 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 707 status = connector_status_connected; 708 goto out; 709 } 710 711 /* Still nothing, some VBIOS images have a hardcoded EDID block 712 * stored for the panel stored in them. 713 */ 714 if (!drm->vbios.fp_no_ddc) { 715 struct edid *edid = 716 (struct edid *)nouveau_bios_embedded_edid(dev); 717 if (edid) { 718 nv_connector->edid = 719 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 720 if (nv_connector->edid) 721 status = connector_status_connected; 722 } 723 } 724 725 out: 726 #if defined(CONFIG_ACPI_BUTTON) || \ 727 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 728 if (status == connector_status_connected && 729 !nouveau_ignorelid && !acpi_lid_open()) 730 status = connector_status_unknown; 731 #endif 732 733 drm_connector_update_edid_property(connector, nv_connector->edid); 734 nouveau_connector_set_encoder(connector, nv_encoder); 735 return status; 736 } 737 738 static void 739 nouveau_connector_force(struct drm_connector *connector) 740 { 741 struct nouveau_drm *drm = nouveau_drm(connector->dev); 742 struct nouveau_connector *nv_connector = nouveau_connector(connector); 743 struct nouveau_encoder *nv_encoder; 744 int type; 745 746 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 747 if (connector->force == DRM_FORCE_ON_DIGITAL) 748 type = DCB_OUTPUT_TMDS; 749 else 750 type = DCB_OUTPUT_ANALOG; 751 } else 752 type = DCB_OUTPUT_ANY; 753 754 nv_encoder = find_encoder(connector, type); 755 if (!nv_encoder) { 756 NV_ERROR(drm, "can't find encoder to force %s on!\n", 757 connector->name); 758 connector->status = connector_status_disconnected; 759 return; 760 } 761 762 nouveau_connector_set_encoder(connector, nv_encoder); 763 } 764 765 static int 766 nouveau_connector_set_property(struct drm_connector *connector, 767 struct drm_property *property, uint64_t value) 768 { 769 struct nouveau_connector *nv_connector = nouveau_connector(connector); 770 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 771 struct nouveau_conn_atom *asyc = &nv_connector->properties_state; 772 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 773 int ret; 774 775 ret = connector->funcs->atomic_set_property(&nv_connector->base, 776 &asyc->state, 777 property, value); 778 if (ret) { 779 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 780 return get_slave_funcs(encoder)->set_property( 781 encoder, connector, property, value); 782 return ret; 783 } 784 785 nv_connector->scaling_mode = asyc->scaler.mode; 786 nv_connector->dithering_mode = asyc->dither.mode; 787 788 if (connector->encoder && connector->encoder->crtc) { 789 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 790 &connector->encoder->crtc->mode, 791 connector->encoder->crtc->x, 792 connector->encoder->crtc->y, 793 NULL); 794 if (!ret) 795 return -EINVAL; 796 } 797 798 return 0; 799 } 800 801 struct moderec { 802 int hdisplay; 803 int vdisplay; 804 }; 805 806 static struct moderec scaler_modes[] = { 807 { 1920, 1200 }, 808 { 1920, 1080 }, 809 { 1680, 1050 }, 810 { 1600, 1200 }, 811 { 1400, 1050 }, 812 { 1280, 1024 }, 813 { 1280, 960 }, 814 { 1152, 864 }, 815 { 1024, 768 }, 816 { 800, 600 }, 817 { 720, 400 }, 818 { 640, 480 }, 819 { 640, 400 }, 820 { 640, 350 }, 821 {} 822 }; 823 824 static int 825 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 826 { 827 struct nouveau_connector *nv_connector = nouveau_connector(connector); 828 struct drm_display_mode *native = nv_connector->native_mode, *m; 829 struct drm_device *dev = connector->dev; 830 struct moderec *mode = &scaler_modes[0]; 831 int modes = 0; 832 833 if (!native) 834 return 0; 835 836 while (mode->hdisplay) { 837 if (mode->hdisplay <= native->hdisplay && 838 mode->vdisplay <= native->vdisplay && 839 (mode->hdisplay != native->hdisplay || 840 mode->vdisplay != native->vdisplay)) { 841 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 842 drm_mode_vrefresh(native), false, 843 false, false); 844 if (!m) 845 continue; 846 847 drm_mode_probed_add(connector, m); 848 modes++; 849 } 850 851 mode++; 852 } 853 854 return modes; 855 } 856 857 static void 858 nouveau_connector_detect_depth(struct drm_connector *connector) 859 { 860 struct nouveau_drm *drm = nouveau_drm(connector->dev); 861 struct nouveau_connector *nv_connector = nouveau_connector(connector); 862 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 863 struct nvbios *bios = &drm->vbios; 864 struct drm_display_mode *mode = nv_connector->native_mode; 865 bool duallink; 866 867 /* if the edid is feeling nice enough to provide this info, use it */ 868 if (nv_connector->edid && connector->display_info.bpc) 869 return; 870 871 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 872 if (nv_connector->type == DCB_CONNECTOR_eDP) { 873 connector->display_info.bpc = 6; 874 return; 875 } 876 877 /* we're out of options unless we're LVDS, default to 8bpc */ 878 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 879 connector->display_info.bpc = 8; 880 return; 881 } 882 883 connector->display_info.bpc = 6; 884 885 /* LVDS: panel straps */ 886 if (bios->fp_no_ddc) { 887 if (bios->fp.if_is_24bit) 888 connector->display_info.bpc = 8; 889 return; 890 } 891 892 /* LVDS: DDC panel, need to first determine the number of links to 893 * know which if_is_24bit flag to check... 894 */ 895 if (nv_connector->edid && 896 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 897 duallink = ((u8 *)nv_connector->edid)[121] == 2; 898 else 899 duallink = mode->clock >= bios->fp.duallink_transition_clk; 900 901 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 902 ( duallink && (bios->fp.strapless_is_24bit & 2))) 903 connector->display_info.bpc = 8; 904 } 905 906 static int 907 nouveau_connector_late_register(struct drm_connector *connector) 908 { 909 int ret; 910 911 ret = nouveau_backlight_init(connector); 912 913 return ret; 914 } 915 916 static void 917 nouveau_connector_early_unregister(struct drm_connector *connector) 918 { 919 nouveau_backlight_fini(connector); 920 } 921 922 static int 923 nouveau_connector_get_modes(struct drm_connector *connector) 924 { 925 struct drm_device *dev = connector->dev; 926 struct nouveau_drm *drm = nouveau_drm(dev); 927 struct nouveau_connector *nv_connector = nouveau_connector(connector); 928 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 929 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 930 int ret = 0; 931 932 /* destroy the native mode, the attached monitor could have changed. 933 */ 934 if (nv_connector->native_mode) { 935 drm_mode_destroy(dev, nv_connector->native_mode); 936 nv_connector->native_mode = NULL; 937 } 938 939 if (nv_connector->edid) 940 ret = drm_add_edid_modes(connector, nv_connector->edid); 941 else 942 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 943 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 944 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 945 struct drm_display_mode mode; 946 947 nouveau_bios_fp_mode(dev, &mode); 948 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 949 } 950 951 /* Determine display colour depth for everything except LVDS now, 952 * DP requires this before mode_valid() is called. 953 */ 954 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 955 nouveau_connector_detect_depth(connector); 956 957 /* Find the native mode if this is a digital panel, if we didn't 958 * find any modes through DDC previously add the native mode to 959 * the list of modes. 960 */ 961 if (!nv_connector->native_mode) 962 nv_connector->native_mode = nouveau_conn_native_mode(connector); 963 if (ret == 0 && nv_connector->native_mode) { 964 struct drm_display_mode *mode; 965 966 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 967 drm_mode_probed_add(connector, mode); 968 ret = 1; 969 } 970 971 /* Determine LVDS colour depth, must happen after determining 972 * "native" mode as some VBIOS tables require us to use the 973 * pixel clock as part of the lookup... 974 */ 975 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 976 nouveau_connector_detect_depth(connector); 977 978 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 979 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 980 981 if (nv_connector->type == DCB_CONNECTOR_LVDS || 982 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 983 nv_connector->type == DCB_CONNECTOR_eDP) 984 ret += nouveau_connector_scaler_modes_add(connector); 985 986 return ret; 987 } 988 989 static unsigned 990 get_tmds_link_bandwidth(struct drm_connector *connector) 991 { 992 struct nouveau_connector *nv_connector = nouveau_connector(connector); 993 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 994 struct nouveau_drm *drm = nouveau_drm(connector->dev); 995 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 996 struct drm_display_info *info = NULL; 997 unsigned duallink_scale = 998 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1; 999 1000 if (drm_detect_hdmi_monitor(nv_connector->edid)) { 1001 info = &nv_connector->base.display_info; 1002 duallink_scale = 1; 1003 } 1004 1005 if (info) { 1006 if (nouveau_hdmimhz > 0) 1007 return nouveau_hdmimhz * 1000; 1008 /* Note: these limits are conservative, some Fermi's 1009 * can do 297 MHz. Unclear how this can be determined. 1010 */ 1011 if (drm->client.device.info.chipset >= 0x120) { 1012 const int max_tmds_clock = 1013 info->hdmi.scdc.scrambling.supported ? 1014 594000 : 340000; 1015 return info->max_tmds_clock ? 1016 min(info->max_tmds_clock, max_tmds_clock) : 1017 max_tmds_clock; 1018 } 1019 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 1020 return 297000; 1021 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 1022 return 225000; 1023 } 1024 1025 if (dcb->location != DCB_LOC_ON_CHIP || 1026 drm->client.device.info.chipset >= 0x46) 1027 return 165000 * duallink_scale; 1028 else if (drm->client.device.info.chipset >= 0x40) 1029 return 155000 * duallink_scale; 1030 else if (drm->client.device.info.chipset >= 0x18) 1031 return 135000 * duallink_scale; 1032 else 1033 return 112000 * duallink_scale; 1034 } 1035 1036 enum drm_mode_status 1037 nouveau_conn_mode_clock_valid(const struct drm_display_mode *mode, 1038 const unsigned min_clock, 1039 const unsigned max_clock, 1040 unsigned int *clock_out) 1041 { 1042 unsigned int clock = mode->clock; 1043 1044 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == 1045 DRM_MODE_FLAG_3D_FRAME_PACKING) 1046 clock *= 2; 1047 1048 if (clock < min_clock) 1049 return MODE_CLOCK_LOW; 1050 if (clock > max_clock) 1051 return MODE_CLOCK_HIGH; 1052 1053 if (clock_out) 1054 *clock_out = clock; 1055 1056 return MODE_OK; 1057 } 1058 1059 static enum drm_mode_status 1060 nouveau_connector_mode_valid(struct drm_connector *connector, 1061 struct drm_display_mode *mode) 1062 { 1063 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1064 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1065 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1066 unsigned min_clock = 25000, max_clock = min_clock; 1067 1068 switch (nv_encoder->dcb->type) { 1069 case DCB_OUTPUT_LVDS: 1070 if (nv_connector->native_mode && 1071 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1072 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1073 return MODE_PANEL; 1074 1075 min_clock = 0; 1076 max_clock = 400000; 1077 break; 1078 case DCB_OUTPUT_TMDS: 1079 max_clock = get_tmds_link_bandwidth(connector); 1080 break; 1081 case DCB_OUTPUT_ANALOG: 1082 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1083 if (!max_clock) 1084 max_clock = 350000; 1085 break; 1086 case DCB_OUTPUT_TV: 1087 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1088 case DCB_OUTPUT_DP: 1089 return nv50_dp_mode_valid(connector, nv_encoder, mode, NULL); 1090 default: 1091 BUG(); 1092 return MODE_BAD; 1093 } 1094 1095 return nouveau_conn_mode_clock_valid(mode, min_clock, max_clock, 1096 NULL); 1097 } 1098 1099 static struct drm_encoder * 1100 nouveau_connector_best_encoder(struct drm_connector *connector) 1101 { 1102 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1103 1104 if (nv_connector->detected_encoder) 1105 return to_drm_encoder(nv_connector->detected_encoder); 1106 1107 return NULL; 1108 } 1109 1110 static const struct drm_connector_helper_funcs 1111 nouveau_connector_helper_funcs = { 1112 .get_modes = nouveau_connector_get_modes, 1113 .mode_valid = nouveau_connector_mode_valid, 1114 .best_encoder = nouveau_connector_best_encoder, 1115 }; 1116 1117 static const struct drm_connector_funcs 1118 nouveau_connector_funcs = { 1119 .dpms = drm_helper_connector_dpms, 1120 .reset = nouveau_conn_reset, 1121 .detect = nouveau_connector_detect, 1122 .force = nouveau_connector_force, 1123 .fill_modes = drm_helper_probe_single_connector_modes, 1124 .set_property = nouveau_connector_set_property, 1125 .destroy = nouveau_connector_destroy, 1126 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1127 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1128 .atomic_set_property = nouveau_conn_atomic_set_property, 1129 .atomic_get_property = nouveau_conn_atomic_get_property, 1130 .late_register = nouveau_connector_late_register, 1131 .early_unregister = nouveau_connector_early_unregister, 1132 }; 1133 1134 static const struct drm_connector_funcs 1135 nouveau_connector_funcs_lvds = { 1136 .dpms = drm_helper_connector_dpms, 1137 .reset = nouveau_conn_reset, 1138 .detect = nouveau_connector_detect_lvds, 1139 .force = nouveau_connector_force, 1140 .fill_modes = drm_helper_probe_single_connector_modes, 1141 .set_property = nouveau_connector_set_property, 1142 .destroy = nouveau_connector_destroy, 1143 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1144 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1145 .atomic_set_property = nouveau_conn_atomic_set_property, 1146 .atomic_get_property = nouveau_conn_atomic_get_property, 1147 .late_register = nouveau_connector_late_register, 1148 .early_unregister = nouveau_connector_early_unregister, 1149 }; 1150 1151 static int 1152 nouveau_connector_hotplug(struct nvif_notify *notify) 1153 { 1154 struct nouveau_connector *nv_connector = 1155 container_of(notify, typeof(*nv_connector), hpd); 1156 struct drm_connector *connector = &nv_connector->base; 1157 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1158 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1159 const char *name = connector->name; 1160 struct nouveau_encoder *nv_encoder; 1161 int ret; 1162 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1163 1164 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1165 NV_DEBUG(drm, "service %s\n", name); 1166 drm_dp_cec_irq(&nv_connector->aux); 1167 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1168 nv50_mstm_service(nv_encoder->dp.mstm); 1169 1170 return NVIF_NOTIFY_KEEP; 1171 } 1172 1173 ret = pm_runtime_get(drm->dev->dev); 1174 if (ret == 0) { 1175 /* We can't block here if there's a pending PM request 1176 * running, as we'll deadlock nouveau_display_fini() when it 1177 * calls nvif_put() on our nvif_notify struct. So, simply 1178 * defer the hotplug event until the device finishes resuming 1179 */ 1180 NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n", 1181 name); 1182 schedule_work(&drm->hpd_work); 1183 1184 pm_runtime_put_noidle(drm->dev->dev); 1185 return NVIF_NOTIFY_KEEP; 1186 } else if (ret != 1 && ret != -EACCES) { 1187 NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n", 1188 name, ret); 1189 return NVIF_NOTIFY_DROP; 1190 } 1191 1192 if (!plugged) 1193 drm_dp_cec_unset_edid(&nv_connector->aux); 1194 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1195 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1196 if (!plugged) 1197 nv50_mstm_remove(nv_encoder->dp.mstm); 1198 } 1199 1200 drm_helper_hpd_irq_event(connector->dev); 1201 1202 pm_runtime_mark_last_busy(drm->dev->dev); 1203 pm_runtime_put_autosuspend(drm->dev->dev); 1204 return NVIF_NOTIFY_KEEP; 1205 } 1206 1207 static ssize_t 1208 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1209 { 1210 struct nouveau_connector *nv_connector = 1211 container_of(obj, typeof(*nv_connector), aux); 1212 struct nouveau_encoder *nv_encoder; 1213 struct nvkm_i2c_aux *aux; 1214 u8 size = msg->size; 1215 int ret; 1216 1217 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1218 if (!nv_encoder || !(aux = nv_encoder->aux)) 1219 return -ENODEV; 1220 if (WARN_ON(msg->size > 16)) 1221 return -E2BIG; 1222 1223 ret = nvkm_i2c_aux_acquire(aux); 1224 if (ret) 1225 return ret; 1226 1227 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1228 msg->buffer, &size); 1229 nvkm_i2c_aux_release(aux); 1230 if (ret >= 0) { 1231 msg->reply = ret; 1232 return size; 1233 } 1234 1235 return ret; 1236 } 1237 1238 static int 1239 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1240 { 1241 switch (dcb) { 1242 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1243 case DCB_CONNECTOR_TV_0 : 1244 case DCB_CONNECTOR_TV_1 : 1245 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1246 case DCB_CONNECTOR_DMS59_0 : 1247 case DCB_CONNECTOR_DMS59_1 : 1248 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1249 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1250 case DCB_CONNECTOR_LVDS : 1251 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1252 case DCB_CONNECTOR_DMS59_DP0: 1253 case DCB_CONNECTOR_DMS59_DP1: 1254 case DCB_CONNECTOR_DP : 1255 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort; 1256 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1257 case DCB_CONNECTOR_HDMI_0 : 1258 case DCB_CONNECTOR_HDMI_1 : 1259 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1260 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1261 default: 1262 break; 1263 } 1264 1265 return DRM_MODE_CONNECTOR_Unknown; 1266 } 1267 1268 struct drm_connector * 1269 nouveau_connector_create(struct drm_device *dev, 1270 const struct dcb_output *dcbe) 1271 { 1272 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1273 struct nouveau_drm *drm = nouveau_drm(dev); 1274 struct nouveau_display *disp = nouveau_display(dev); 1275 struct nouveau_connector *nv_connector = NULL; 1276 struct drm_connector *connector; 1277 struct drm_connector_list_iter conn_iter; 1278 char aux_name[48] = {0}; 1279 int index = dcbe->connector; 1280 int type, ret = 0; 1281 bool dummy; 1282 1283 drm_connector_list_iter_begin(dev, &conn_iter); 1284 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1285 nv_connector = nouveau_connector(connector); 1286 if (nv_connector->index == index) { 1287 drm_connector_list_iter_end(&conn_iter); 1288 return connector; 1289 } 1290 } 1291 drm_connector_list_iter_end(&conn_iter); 1292 1293 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1294 if (!nv_connector) 1295 return ERR_PTR(-ENOMEM); 1296 1297 connector = &nv_connector->base; 1298 nv_connector->index = index; 1299 1300 /* attempt to parse vbios connector type and hotplug gpio */ 1301 nv_connector->dcb = olddcb_conn(dev, index); 1302 if (nv_connector->dcb) { 1303 u32 entry = ROM16(nv_connector->dcb[0]); 1304 if (olddcb_conntab(dev)[3] >= 4) 1305 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1306 1307 nv_connector->type = nv_connector->dcb[0]; 1308 if (drm_conntype_from_dcb(nv_connector->type) == 1309 DRM_MODE_CONNECTOR_Unknown) { 1310 NV_WARN(drm, "unknown connector type %02x\n", 1311 nv_connector->type); 1312 nv_connector->type = DCB_CONNECTOR_NONE; 1313 } 1314 1315 /* Gigabyte NX85T */ 1316 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1317 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1318 nv_connector->type = DCB_CONNECTOR_DVI_I; 1319 } 1320 1321 /* Gigabyte GV-NX86T512H */ 1322 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1323 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1324 nv_connector->type = DCB_CONNECTOR_DVI_I; 1325 } 1326 } else { 1327 nv_connector->type = DCB_CONNECTOR_NONE; 1328 } 1329 1330 /* no vbios data, or an unknown dcb connector type - attempt to 1331 * figure out something suitable ourselves 1332 */ 1333 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1334 struct nouveau_drm *drm = nouveau_drm(dev); 1335 struct dcb_table *dcbt = &drm->vbios.dcb; 1336 u32 encoders = 0; 1337 int i; 1338 1339 for (i = 0; i < dcbt->entries; i++) { 1340 if (dcbt->entry[i].connector == nv_connector->index) 1341 encoders |= (1 << dcbt->entry[i].type); 1342 } 1343 1344 if (encoders & (1 << DCB_OUTPUT_DP)) { 1345 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1346 nv_connector->type = DCB_CONNECTOR_DP; 1347 else 1348 nv_connector->type = DCB_CONNECTOR_eDP; 1349 } else 1350 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1351 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1352 nv_connector->type = DCB_CONNECTOR_DVI_I; 1353 else 1354 nv_connector->type = DCB_CONNECTOR_DVI_D; 1355 } else 1356 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1357 nv_connector->type = DCB_CONNECTOR_VGA; 1358 } else 1359 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1360 nv_connector->type = DCB_CONNECTOR_LVDS; 1361 } else 1362 if (encoders & (1 << DCB_OUTPUT_TV)) { 1363 nv_connector->type = DCB_CONNECTOR_TV_0; 1364 } 1365 } 1366 1367 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1368 case DRM_MODE_CONNECTOR_LVDS: 1369 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1370 if (ret) { 1371 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1372 kfree(nv_connector); 1373 return ERR_PTR(ret); 1374 } 1375 1376 funcs = &nouveau_connector_funcs_lvds; 1377 break; 1378 case DRM_MODE_CONNECTOR_DisplayPort: 1379 case DRM_MODE_CONNECTOR_eDP: 1380 nv_connector->aux.dev = connector->kdev; 1381 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1382 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x", 1383 dcbe->hasht, dcbe->hashm); 1384 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL); 1385 ret = drm_dp_aux_register(&nv_connector->aux); 1386 if (ret) { 1387 NV_ERROR(drm, "failed to register aux channel\n"); 1388 kfree(nv_connector); 1389 return ERR_PTR(ret); 1390 } 1391 funcs = &nouveau_connector_funcs; 1392 break; 1393 default: 1394 funcs = &nouveau_connector_funcs; 1395 break; 1396 } 1397 1398 /* HDMI 3D support */ 1399 if ((disp->disp.object.oclass >= G82_DISP) 1400 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1401 || (type == DRM_MODE_CONNECTOR_eDP) 1402 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1403 connector->stereo_allowed = true; 1404 1405 /* defaults, will get overridden in detect() */ 1406 connector->interlace_allowed = false; 1407 connector->doublescan_allowed = false; 1408 1409 drm_connector_init(dev, connector, funcs, type); 1410 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1411 1412 connector->funcs->reset(connector); 1413 nouveau_conn_attach_properties(connector); 1414 1415 /* Default scaling mode */ 1416 switch (nv_connector->type) { 1417 case DCB_CONNECTOR_LVDS: 1418 case DCB_CONNECTOR_LVDS_SPWG: 1419 case DCB_CONNECTOR_eDP: 1420 /* see note in nouveau_connector_set_property() */ 1421 if (disp->disp.object.oclass < NV50_DISP) { 1422 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1423 break; 1424 } 1425 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1426 break; 1427 default: 1428 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1429 break; 1430 } 1431 1432 /* dithering properties */ 1433 switch (nv_connector->type) { 1434 case DCB_CONNECTOR_TV_0: 1435 case DCB_CONNECTOR_TV_1: 1436 case DCB_CONNECTOR_TV_3: 1437 case DCB_CONNECTOR_VGA: 1438 break; 1439 default: 1440 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1441 break; 1442 } 1443 1444 switch (type) { 1445 case DRM_MODE_CONNECTOR_DisplayPort: 1446 case DRM_MODE_CONNECTOR_eDP: 1447 drm_dp_cec_register_connector(&nv_connector->aux, connector); 1448 break; 1449 } 1450 1451 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug, 1452 true, NV04_DISP_NTFY_CONN, 1453 &(struct nvif_notify_conn_req_v0) { 1454 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1455 .conn = index, 1456 }, 1457 sizeof(struct nvif_notify_conn_req_v0), 1458 sizeof(struct nvif_notify_conn_rep_v0), 1459 &nv_connector->hpd); 1460 if (ret) 1461 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1462 else 1463 connector->polled = DRM_CONNECTOR_POLL_HPD; 1464 1465 drm_connector_register(connector); 1466 return connector; 1467 } 1468