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 fallthrough; 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_dtor(&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 fallthrough; 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 pm_runtime_put_autosuspend(dev->dev); 576 return conn_status; 577 } 578 } 579 580 nv_encoder = nouveau_connector_ddc_detect(connector); 581 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 582 if ((vga_switcheroo_handler_flags() & 583 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 584 nv_connector->type == DCB_CONNECTOR_LVDS) 585 nv_connector->edid = drm_get_edid_switcheroo(connector, 586 i2c); 587 else 588 nv_connector->edid = drm_get_edid(connector, i2c); 589 590 drm_connector_update_edid_property(connector, 591 nv_connector->edid); 592 if (!nv_connector->edid) { 593 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 594 connector->name); 595 goto detect_analog; 596 } 597 598 /* Override encoder type for DVI-I based on whether EDID 599 * says the display is digital or analog, both use the 600 * same i2c channel so the value returned from ddc_detect 601 * isn't necessarily correct. 602 */ 603 nv_partner = NULL; 604 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 605 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 606 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 607 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 608 609 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 610 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 611 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 612 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 613 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 614 type = DCB_OUTPUT_TMDS; 615 else 616 type = DCB_OUTPUT_ANALOG; 617 618 nv_encoder = find_encoder(connector, type); 619 } 620 621 nouveau_connector_set_encoder(connector, nv_encoder); 622 conn_status = connector_status_connected; 623 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); 624 goto out; 625 } 626 627 nv_encoder = nouveau_connector_of_detect(connector); 628 if (nv_encoder) { 629 nouveau_connector_set_encoder(connector, nv_encoder); 630 conn_status = connector_status_connected; 631 goto out; 632 } 633 634 detect_analog: 635 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 636 if (!nv_encoder && !nouveau_tv_disable) 637 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 638 if (nv_encoder && force) { 639 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 640 const struct drm_encoder_helper_funcs *helper = 641 encoder->helper_private; 642 643 if (helper->detect(encoder, connector) == 644 connector_status_connected) { 645 nouveau_connector_set_encoder(connector, nv_encoder); 646 conn_status = connector_status_connected; 647 goto out; 648 } 649 650 } 651 652 out: 653 654 pm_runtime_mark_last_busy(dev->dev); 655 pm_runtime_put_autosuspend(dev->dev); 656 657 return conn_status; 658 } 659 660 static enum drm_connector_status 661 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 662 { 663 struct drm_device *dev = connector->dev; 664 struct nouveau_drm *drm = nouveau_drm(dev); 665 struct nouveau_connector *nv_connector = nouveau_connector(connector); 666 struct nouveau_encoder *nv_encoder = NULL; 667 enum drm_connector_status status = connector_status_disconnected; 668 669 /* Cleanup the previous EDID block. */ 670 if (nv_connector->edid) { 671 drm_connector_update_edid_property(connector, NULL); 672 kfree(nv_connector->edid); 673 nv_connector->edid = NULL; 674 } 675 676 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 677 if (!nv_encoder) 678 return connector_status_disconnected; 679 680 /* Try retrieving EDID via DDC */ 681 if (!drm->vbios.fp_no_ddc) { 682 status = nouveau_connector_detect(connector, force); 683 if (status == connector_status_connected) 684 goto out; 685 } 686 687 /* On some laptops (Sony, i'm looking at you) there appears to 688 * be no direct way of accessing the panel's EDID. The only 689 * option available to us appears to be to ask ACPI for help.. 690 * 691 * It's important this check's before trying straps, one of the 692 * said manufacturer's laptops are configured in such a way 693 * the nouveau decides an entry in the VBIOS FP mode table is 694 * valid - it's not (rh#613284) 695 */ 696 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 697 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 698 status = connector_status_connected; 699 goto out; 700 } 701 } 702 703 /* If no EDID found above, and the VBIOS indicates a hardcoded 704 * modeline is avalilable for the panel, set it as the panel's 705 * native mode and exit. 706 */ 707 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 708 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 709 status = connector_status_connected; 710 goto out; 711 } 712 713 /* Still nothing, some VBIOS images have a hardcoded EDID block 714 * stored for the panel stored in them. 715 */ 716 if (!drm->vbios.fp_no_ddc) { 717 struct edid *edid = 718 (struct edid *)nouveau_bios_embedded_edid(dev); 719 if (edid) { 720 nv_connector->edid = 721 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 722 if (nv_connector->edid) 723 status = connector_status_connected; 724 } 725 } 726 727 out: 728 #if defined(CONFIG_ACPI_BUTTON) || \ 729 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 730 if (status == connector_status_connected && 731 !nouveau_ignorelid && !acpi_lid_open()) 732 status = connector_status_unknown; 733 #endif 734 735 drm_connector_update_edid_property(connector, nv_connector->edid); 736 nouveau_connector_set_encoder(connector, nv_encoder); 737 return status; 738 } 739 740 static void 741 nouveau_connector_force(struct drm_connector *connector) 742 { 743 struct nouveau_drm *drm = nouveau_drm(connector->dev); 744 struct nouveau_connector *nv_connector = nouveau_connector(connector); 745 struct nouveau_encoder *nv_encoder; 746 int type; 747 748 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 749 if (connector->force == DRM_FORCE_ON_DIGITAL) 750 type = DCB_OUTPUT_TMDS; 751 else 752 type = DCB_OUTPUT_ANALOG; 753 } else 754 type = DCB_OUTPUT_ANY; 755 756 nv_encoder = find_encoder(connector, type); 757 if (!nv_encoder) { 758 NV_ERROR(drm, "can't find encoder to force %s on!\n", 759 connector->name); 760 connector->status = connector_status_disconnected; 761 return; 762 } 763 764 nouveau_connector_set_encoder(connector, nv_encoder); 765 } 766 767 static int 768 nouveau_connector_set_property(struct drm_connector *connector, 769 struct drm_property *property, uint64_t value) 770 { 771 struct nouveau_connector *nv_connector = nouveau_connector(connector); 772 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 773 struct nouveau_conn_atom *asyc = &nv_connector->properties_state; 774 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 775 int ret; 776 777 ret = connector->funcs->atomic_set_property(&nv_connector->base, 778 &asyc->state, 779 property, value); 780 if (ret) { 781 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 782 return get_slave_funcs(encoder)->set_property( 783 encoder, connector, property, value); 784 return ret; 785 } 786 787 nv_connector->scaling_mode = asyc->scaler.mode; 788 nv_connector->dithering_mode = asyc->dither.mode; 789 790 if (connector->encoder && connector->encoder->crtc) { 791 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 792 &connector->encoder->crtc->mode, 793 connector->encoder->crtc->x, 794 connector->encoder->crtc->y, 795 NULL); 796 if (!ret) 797 return -EINVAL; 798 } 799 800 return 0; 801 } 802 803 struct moderec { 804 int hdisplay; 805 int vdisplay; 806 }; 807 808 static struct moderec scaler_modes[] = { 809 { 1920, 1200 }, 810 { 1920, 1080 }, 811 { 1680, 1050 }, 812 { 1600, 1200 }, 813 { 1400, 1050 }, 814 { 1280, 1024 }, 815 { 1280, 960 }, 816 { 1152, 864 }, 817 { 1024, 768 }, 818 { 800, 600 }, 819 { 720, 400 }, 820 { 640, 480 }, 821 { 640, 400 }, 822 { 640, 350 }, 823 {} 824 }; 825 826 static int 827 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 828 { 829 struct nouveau_connector *nv_connector = nouveau_connector(connector); 830 struct drm_display_mode *native = nv_connector->native_mode, *m; 831 struct drm_device *dev = connector->dev; 832 struct moderec *mode = &scaler_modes[0]; 833 int modes = 0; 834 835 if (!native) 836 return 0; 837 838 while (mode->hdisplay) { 839 if (mode->hdisplay <= native->hdisplay && 840 mode->vdisplay <= native->vdisplay && 841 (mode->hdisplay != native->hdisplay || 842 mode->vdisplay != native->vdisplay)) { 843 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 844 drm_mode_vrefresh(native), false, 845 false, false); 846 if (!m) 847 continue; 848 849 drm_mode_probed_add(connector, m); 850 modes++; 851 } 852 853 mode++; 854 } 855 856 return modes; 857 } 858 859 static void 860 nouveau_connector_detect_depth(struct drm_connector *connector) 861 { 862 struct nouveau_drm *drm = nouveau_drm(connector->dev); 863 struct nouveau_connector *nv_connector = nouveau_connector(connector); 864 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 865 struct nvbios *bios = &drm->vbios; 866 struct drm_display_mode *mode = nv_connector->native_mode; 867 bool duallink; 868 869 /* if the edid is feeling nice enough to provide this info, use it */ 870 if (nv_connector->edid && connector->display_info.bpc) 871 return; 872 873 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 874 if (nv_connector->type == DCB_CONNECTOR_eDP) { 875 connector->display_info.bpc = 6; 876 return; 877 } 878 879 /* we're out of options unless we're LVDS, default to 8bpc */ 880 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 881 connector->display_info.bpc = 8; 882 return; 883 } 884 885 connector->display_info.bpc = 6; 886 887 /* LVDS: panel straps */ 888 if (bios->fp_no_ddc) { 889 if (bios->fp.if_is_24bit) 890 connector->display_info.bpc = 8; 891 return; 892 } 893 894 /* LVDS: DDC panel, need to first determine the number of links to 895 * know which if_is_24bit flag to check... 896 */ 897 if (nv_connector->edid && 898 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 899 duallink = ((u8 *)nv_connector->edid)[121] == 2; 900 else 901 duallink = mode->clock >= bios->fp.duallink_transition_clk; 902 903 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 904 ( duallink && (bios->fp.strapless_is_24bit & 2))) 905 connector->display_info.bpc = 8; 906 } 907 908 static int 909 nouveau_connector_late_register(struct drm_connector *connector) 910 { 911 int ret; 912 913 ret = nouveau_backlight_init(connector); 914 915 return ret; 916 } 917 918 static void 919 nouveau_connector_early_unregister(struct drm_connector *connector) 920 { 921 nouveau_backlight_fini(connector); 922 } 923 924 static int 925 nouveau_connector_get_modes(struct drm_connector *connector) 926 { 927 struct drm_device *dev = connector->dev; 928 struct nouveau_drm *drm = nouveau_drm(dev); 929 struct nouveau_connector *nv_connector = nouveau_connector(connector); 930 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 931 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 932 int ret = 0; 933 934 /* destroy the native mode, the attached monitor could have changed. 935 */ 936 if (nv_connector->native_mode) { 937 drm_mode_destroy(dev, nv_connector->native_mode); 938 nv_connector->native_mode = NULL; 939 } 940 941 if (nv_connector->edid) 942 ret = drm_add_edid_modes(connector, nv_connector->edid); 943 else 944 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 945 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 946 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 947 struct drm_display_mode mode; 948 949 nouveau_bios_fp_mode(dev, &mode); 950 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 951 } 952 953 /* Determine display colour depth for everything except LVDS now, 954 * DP requires this before mode_valid() is called. 955 */ 956 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 957 nouveau_connector_detect_depth(connector); 958 959 /* Find the native mode if this is a digital panel, if we didn't 960 * find any modes through DDC previously add the native mode to 961 * the list of modes. 962 */ 963 if (!nv_connector->native_mode) 964 nv_connector->native_mode = nouveau_conn_native_mode(connector); 965 if (ret == 0 && nv_connector->native_mode) { 966 struct drm_display_mode *mode; 967 968 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 969 drm_mode_probed_add(connector, mode); 970 ret = 1; 971 } 972 973 /* Determine LVDS colour depth, must happen after determining 974 * "native" mode as some VBIOS tables require us to use the 975 * pixel clock as part of the lookup... 976 */ 977 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 978 nouveau_connector_detect_depth(connector); 979 980 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 981 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 982 983 if (nv_connector->type == DCB_CONNECTOR_LVDS || 984 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 985 nv_connector->type == DCB_CONNECTOR_eDP) 986 ret += nouveau_connector_scaler_modes_add(connector); 987 988 return ret; 989 } 990 991 static unsigned 992 get_tmds_link_bandwidth(struct drm_connector *connector) 993 { 994 struct nouveau_connector *nv_connector = nouveau_connector(connector); 995 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 996 struct nouveau_drm *drm = nouveau_drm(connector->dev); 997 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 998 struct drm_display_info *info = NULL; 999 unsigned duallink_scale = 1000 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1; 1001 1002 if (drm_detect_hdmi_monitor(nv_connector->edid)) { 1003 info = &nv_connector->base.display_info; 1004 duallink_scale = 1; 1005 } 1006 1007 if (info) { 1008 if (nouveau_hdmimhz > 0) 1009 return nouveau_hdmimhz * 1000; 1010 /* Note: these limits are conservative, some Fermi's 1011 * can do 297 MHz. Unclear how this can be determined. 1012 */ 1013 if (drm->client.device.info.chipset >= 0x120) { 1014 const int max_tmds_clock = 1015 info->hdmi.scdc.scrambling.supported ? 1016 594000 : 340000; 1017 return info->max_tmds_clock ? 1018 min(info->max_tmds_clock, max_tmds_clock) : 1019 max_tmds_clock; 1020 } 1021 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 1022 return 297000; 1023 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 1024 return 225000; 1025 } 1026 1027 if (dcb->location != DCB_LOC_ON_CHIP || 1028 drm->client.device.info.chipset >= 0x46) 1029 return 165000 * duallink_scale; 1030 else if (drm->client.device.info.chipset >= 0x40) 1031 return 155000 * duallink_scale; 1032 else if (drm->client.device.info.chipset >= 0x18) 1033 return 135000 * duallink_scale; 1034 else 1035 return 112000 * duallink_scale; 1036 } 1037 1038 enum drm_mode_status 1039 nouveau_conn_mode_clock_valid(const struct drm_display_mode *mode, 1040 const unsigned min_clock, 1041 const unsigned max_clock, 1042 unsigned int *clock_out) 1043 { 1044 unsigned int clock = mode->clock; 1045 1046 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == 1047 DRM_MODE_FLAG_3D_FRAME_PACKING) 1048 clock *= 2; 1049 1050 if (clock < min_clock) 1051 return MODE_CLOCK_LOW; 1052 if (clock > max_clock) 1053 return MODE_CLOCK_HIGH; 1054 1055 if (clock_out) 1056 *clock_out = clock; 1057 1058 return MODE_OK; 1059 } 1060 1061 static enum drm_mode_status 1062 nouveau_connector_mode_valid(struct drm_connector *connector, 1063 struct drm_display_mode *mode) 1064 { 1065 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1066 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1067 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1068 unsigned min_clock = 25000, max_clock = min_clock; 1069 1070 switch (nv_encoder->dcb->type) { 1071 case DCB_OUTPUT_LVDS: 1072 if (nv_connector->native_mode && 1073 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1074 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1075 return MODE_PANEL; 1076 1077 min_clock = 0; 1078 max_clock = 400000; 1079 break; 1080 case DCB_OUTPUT_TMDS: 1081 max_clock = get_tmds_link_bandwidth(connector); 1082 break; 1083 case DCB_OUTPUT_ANALOG: 1084 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1085 if (!max_clock) 1086 max_clock = 350000; 1087 break; 1088 case DCB_OUTPUT_TV: 1089 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1090 case DCB_OUTPUT_DP: 1091 return nv50_dp_mode_valid(connector, nv_encoder, mode, NULL); 1092 default: 1093 BUG(); 1094 return MODE_BAD; 1095 } 1096 1097 return nouveau_conn_mode_clock_valid(mode, min_clock, max_clock, 1098 NULL); 1099 } 1100 1101 static struct drm_encoder * 1102 nouveau_connector_best_encoder(struct drm_connector *connector) 1103 { 1104 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1105 1106 if (nv_connector->detected_encoder) 1107 return to_drm_encoder(nv_connector->detected_encoder); 1108 1109 return NULL; 1110 } 1111 1112 static const struct drm_connector_helper_funcs 1113 nouveau_connector_helper_funcs = { 1114 .get_modes = nouveau_connector_get_modes, 1115 .mode_valid = nouveau_connector_mode_valid, 1116 .best_encoder = nouveau_connector_best_encoder, 1117 }; 1118 1119 static const struct drm_connector_funcs 1120 nouveau_connector_funcs = { 1121 .dpms = drm_helper_connector_dpms, 1122 .reset = nouveau_conn_reset, 1123 .detect = nouveau_connector_detect, 1124 .force = nouveau_connector_force, 1125 .fill_modes = drm_helper_probe_single_connector_modes, 1126 .set_property = nouveau_connector_set_property, 1127 .destroy = nouveau_connector_destroy, 1128 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1129 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1130 .atomic_set_property = nouveau_conn_atomic_set_property, 1131 .atomic_get_property = nouveau_conn_atomic_get_property, 1132 .late_register = nouveau_connector_late_register, 1133 .early_unregister = nouveau_connector_early_unregister, 1134 }; 1135 1136 static const struct drm_connector_funcs 1137 nouveau_connector_funcs_lvds = { 1138 .dpms = drm_helper_connector_dpms, 1139 .reset = nouveau_conn_reset, 1140 .detect = nouveau_connector_detect_lvds, 1141 .force = nouveau_connector_force, 1142 .fill_modes = drm_helper_probe_single_connector_modes, 1143 .set_property = nouveau_connector_set_property, 1144 .destroy = nouveau_connector_destroy, 1145 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1146 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1147 .atomic_set_property = nouveau_conn_atomic_set_property, 1148 .atomic_get_property = nouveau_conn_atomic_get_property, 1149 .late_register = nouveau_connector_late_register, 1150 .early_unregister = nouveau_connector_early_unregister, 1151 }; 1152 1153 static int 1154 nouveau_connector_hotplug(struct nvif_notify *notify) 1155 { 1156 struct nouveau_connector *nv_connector = 1157 container_of(notify, typeof(*nv_connector), hpd); 1158 struct drm_connector *connector = &nv_connector->base; 1159 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1160 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1161 const char *name = connector->name; 1162 struct nouveau_encoder *nv_encoder; 1163 int ret; 1164 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1165 1166 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1167 NV_DEBUG(drm, "service %s\n", name); 1168 drm_dp_cec_irq(&nv_connector->aux); 1169 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1170 nv50_mstm_service(nv_encoder->dp.mstm); 1171 1172 return NVIF_NOTIFY_KEEP; 1173 } 1174 1175 ret = pm_runtime_get(drm->dev->dev); 1176 if (ret == 0) { 1177 /* We can't block here if there's a pending PM request 1178 * running, as we'll deadlock nouveau_display_fini() when it 1179 * calls nvif_put() on our nvif_notify struct. So, simply 1180 * defer the hotplug event until the device finishes resuming 1181 */ 1182 NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n", 1183 name); 1184 schedule_work(&drm->hpd_work); 1185 1186 pm_runtime_put_noidle(drm->dev->dev); 1187 return NVIF_NOTIFY_KEEP; 1188 } else if (ret != 1 && ret != -EACCES) { 1189 NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n", 1190 name, ret); 1191 return NVIF_NOTIFY_DROP; 1192 } 1193 1194 if (!plugged) 1195 drm_dp_cec_unset_edid(&nv_connector->aux); 1196 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1197 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1198 if (!plugged) 1199 nv50_mstm_remove(nv_encoder->dp.mstm); 1200 } 1201 1202 drm_helper_hpd_irq_event(connector->dev); 1203 1204 pm_runtime_mark_last_busy(drm->dev->dev); 1205 pm_runtime_put_autosuspend(drm->dev->dev); 1206 return NVIF_NOTIFY_KEEP; 1207 } 1208 1209 static ssize_t 1210 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1211 { 1212 struct nouveau_connector *nv_connector = 1213 container_of(obj, typeof(*nv_connector), aux); 1214 struct nouveau_encoder *nv_encoder; 1215 struct nvkm_i2c_aux *aux; 1216 u8 size = msg->size; 1217 int ret; 1218 1219 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1220 if (!nv_encoder || !(aux = nv_encoder->aux)) 1221 return -ENODEV; 1222 if (WARN_ON(msg->size > 16)) 1223 return -E2BIG; 1224 1225 ret = nvkm_i2c_aux_acquire(aux); 1226 if (ret) 1227 return ret; 1228 1229 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1230 msg->buffer, &size); 1231 nvkm_i2c_aux_release(aux); 1232 if (ret >= 0) { 1233 msg->reply = ret; 1234 return size; 1235 } 1236 1237 return ret; 1238 } 1239 1240 static int 1241 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1242 { 1243 switch (dcb) { 1244 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1245 case DCB_CONNECTOR_TV_0 : 1246 case DCB_CONNECTOR_TV_1 : 1247 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1248 case DCB_CONNECTOR_DMS59_0 : 1249 case DCB_CONNECTOR_DMS59_1 : 1250 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1251 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1252 case DCB_CONNECTOR_LVDS : 1253 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1254 case DCB_CONNECTOR_DMS59_DP0: 1255 case DCB_CONNECTOR_DMS59_DP1: 1256 case DCB_CONNECTOR_DP : 1257 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort; 1258 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1259 case DCB_CONNECTOR_HDMI_0 : 1260 case DCB_CONNECTOR_HDMI_1 : 1261 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1262 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1263 default: 1264 break; 1265 } 1266 1267 return DRM_MODE_CONNECTOR_Unknown; 1268 } 1269 1270 struct drm_connector * 1271 nouveau_connector_create(struct drm_device *dev, 1272 const struct dcb_output *dcbe) 1273 { 1274 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1275 struct nouveau_drm *drm = nouveau_drm(dev); 1276 struct nouveau_display *disp = nouveau_display(dev); 1277 struct nouveau_connector *nv_connector = NULL; 1278 struct drm_connector *connector; 1279 struct drm_connector_list_iter conn_iter; 1280 char aux_name[48] = {0}; 1281 int index = dcbe->connector; 1282 int type, ret = 0; 1283 bool dummy; 1284 1285 drm_connector_list_iter_begin(dev, &conn_iter); 1286 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1287 nv_connector = nouveau_connector(connector); 1288 if (nv_connector->index == index) { 1289 drm_connector_list_iter_end(&conn_iter); 1290 return connector; 1291 } 1292 } 1293 drm_connector_list_iter_end(&conn_iter); 1294 1295 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1296 if (!nv_connector) 1297 return ERR_PTR(-ENOMEM); 1298 1299 connector = &nv_connector->base; 1300 nv_connector->index = index; 1301 1302 /* attempt to parse vbios connector type and hotplug gpio */ 1303 nv_connector->dcb = olddcb_conn(dev, index); 1304 if (nv_connector->dcb) { 1305 u32 entry = ROM16(nv_connector->dcb[0]); 1306 if (olddcb_conntab(dev)[3] >= 4) 1307 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1308 1309 nv_connector->type = nv_connector->dcb[0]; 1310 if (drm_conntype_from_dcb(nv_connector->type) == 1311 DRM_MODE_CONNECTOR_Unknown) { 1312 NV_WARN(drm, "unknown connector type %02x\n", 1313 nv_connector->type); 1314 nv_connector->type = DCB_CONNECTOR_NONE; 1315 } 1316 1317 /* Gigabyte NX85T */ 1318 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1319 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1320 nv_connector->type = DCB_CONNECTOR_DVI_I; 1321 } 1322 1323 /* Gigabyte GV-NX86T512H */ 1324 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1325 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1326 nv_connector->type = DCB_CONNECTOR_DVI_I; 1327 } 1328 } else { 1329 nv_connector->type = DCB_CONNECTOR_NONE; 1330 } 1331 1332 /* no vbios data, or an unknown dcb connector type - attempt to 1333 * figure out something suitable ourselves 1334 */ 1335 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1336 struct nouveau_drm *drm = nouveau_drm(dev); 1337 struct dcb_table *dcbt = &drm->vbios.dcb; 1338 u32 encoders = 0; 1339 int i; 1340 1341 for (i = 0; i < dcbt->entries; i++) { 1342 if (dcbt->entry[i].connector == nv_connector->index) 1343 encoders |= (1 << dcbt->entry[i].type); 1344 } 1345 1346 if (encoders & (1 << DCB_OUTPUT_DP)) { 1347 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1348 nv_connector->type = DCB_CONNECTOR_DP; 1349 else 1350 nv_connector->type = DCB_CONNECTOR_eDP; 1351 } else 1352 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1353 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1354 nv_connector->type = DCB_CONNECTOR_DVI_I; 1355 else 1356 nv_connector->type = DCB_CONNECTOR_DVI_D; 1357 } else 1358 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1359 nv_connector->type = DCB_CONNECTOR_VGA; 1360 } else 1361 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1362 nv_connector->type = DCB_CONNECTOR_LVDS; 1363 } else 1364 if (encoders & (1 << DCB_OUTPUT_TV)) { 1365 nv_connector->type = DCB_CONNECTOR_TV_0; 1366 } 1367 } 1368 1369 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1370 case DRM_MODE_CONNECTOR_LVDS: 1371 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1372 if (ret) { 1373 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1374 kfree(nv_connector); 1375 return ERR_PTR(ret); 1376 } 1377 1378 funcs = &nouveau_connector_funcs_lvds; 1379 break; 1380 case DRM_MODE_CONNECTOR_DisplayPort: 1381 case DRM_MODE_CONNECTOR_eDP: 1382 nv_connector->aux.dev = connector->kdev; 1383 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1384 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x", 1385 dcbe->hasht, dcbe->hashm); 1386 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL); 1387 ret = drm_dp_aux_register(&nv_connector->aux); 1388 if (ret) { 1389 NV_ERROR(drm, "failed to register aux channel\n"); 1390 kfree(nv_connector); 1391 return ERR_PTR(ret); 1392 } 1393 funcs = &nouveau_connector_funcs; 1394 break; 1395 default: 1396 funcs = &nouveau_connector_funcs; 1397 break; 1398 } 1399 1400 /* HDMI 3D support */ 1401 if ((disp->disp.object.oclass >= G82_DISP) 1402 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1403 || (type == DRM_MODE_CONNECTOR_eDP) 1404 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1405 connector->stereo_allowed = true; 1406 1407 /* defaults, will get overridden in detect() */ 1408 connector->interlace_allowed = false; 1409 connector->doublescan_allowed = false; 1410 1411 drm_connector_init(dev, connector, funcs, type); 1412 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1413 1414 connector->funcs->reset(connector); 1415 nouveau_conn_attach_properties(connector); 1416 1417 /* Default scaling mode */ 1418 switch (nv_connector->type) { 1419 case DCB_CONNECTOR_LVDS: 1420 case DCB_CONNECTOR_LVDS_SPWG: 1421 case DCB_CONNECTOR_eDP: 1422 /* see note in nouveau_connector_set_property() */ 1423 if (disp->disp.object.oclass < NV50_DISP) { 1424 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1425 break; 1426 } 1427 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1428 break; 1429 default: 1430 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1431 break; 1432 } 1433 1434 /* dithering properties */ 1435 switch (nv_connector->type) { 1436 case DCB_CONNECTOR_TV_0: 1437 case DCB_CONNECTOR_TV_1: 1438 case DCB_CONNECTOR_TV_3: 1439 case DCB_CONNECTOR_VGA: 1440 break; 1441 default: 1442 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1443 break; 1444 } 1445 1446 switch (type) { 1447 case DRM_MODE_CONNECTOR_DisplayPort: 1448 case DRM_MODE_CONNECTOR_eDP: 1449 drm_dp_cec_register_connector(&nv_connector->aux, connector); 1450 break; 1451 } 1452 1453 ret = nvif_notify_ctor(&disp->disp.object, "kmsHotplug", 1454 nouveau_connector_hotplug, 1455 true, NV04_DISP_NTFY_CONN, 1456 &(struct nvif_notify_conn_req_v0) { 1457 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1458 .conn = index, 1459 }, 1460 sizeof(struct nvif_notify_conn_req_v0), 1461 sizeof(struct nvif_notify_conn_rep_v0), 1462 &nv_connector->hpd); 1463 if (ret) 1464 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1465 else 1466 connector->polled = DRM_CONNECTOR_POLL_HPD; 1467 1468 drm_connector_register(connector); 1469 return connector; 1470 } 1471