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/if0011.h> 51 52 struct drm_display_mode * 53 nouveau_conn_native_mode(struct drm_connector *connector) 54 { 55 const struct drm_connector_helper_funcs *helper = connector->helper_private; 56 struct nouveau_drm *drm = nouveau_drm(connector->dev); 57 struct drm_device *dev = connector->dev; 58 struct drm_display_mode *mode, *largest = NULL; 59 int high_w = 0, high_h = 0, high_v = 0; 60 61 list_for_each_entry(mode, &connector->probed_modes, head) { 62 if (helper->mode_valid(connector, mode) != MODE_OK || 63 (mode->flags & DRM_MODE_FLAG_INTERLACE)) 64 continue; 65 66 /* Use preferred mode if there is one.. */ 67 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 68 NV_DEBUG(drm, "native mode from preferred\n"); 69 return drm_mode_duplicate(dev, mode); 70 } 71 72 /* Otherwise, take the resolution with the largest width, then 73 * height, then vertical refresh 74 */ 75 if (mode->hdisplay < high_w) 76 continue; 77 78 if (mode->hdisplay == high_w && mode->vdisplay < high_h) 79 continue; 80 81 if (mode->hdisplay == high_w && mode->vdisplay == high_h && 82 drm_mode_vrefresh(mode) < high_v) 83 continue; 84 85 high_w = mode->hdisplay; 86 high_h = mode->vdisplay; 87 high_v = drm_mode_vrefresh(mode); 88 largest = mode; 89 } 90 91 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n", 92 high_w, high_h, high_v); 93 return largest ? drm_mode_duplicate(dev, largest) : NULL; 94 } 95 96 int 97 nouveau_conn_atomic_get_property(struct drm_connector *connector, 98 const struct drm_connector_state *state, 99 struct drm_property *property, u64 *val) 100 { 101 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 102 struct nouveau_display *disp = nouveau_display(connector->dev); 103 struct drm_device *dev = connector->dev; 104 105 if (property == dev->mode_config.scaling_mode_property) 106 *val = asyc->scaler.mode; 107 else if (property == disp->underscan_property) 108 *val = asyc->scaler.underscan.mode; 109 else if (property == disp->underscan_hborder_property) 110 *val = asyc->scaler.underscan.hborder; 111 else if (property == disp->underscan_vborder_property) 112 *val = asyc->scaler.underscan.vborder; 113 else if (property == disp->dithering_mode) 114 *val = asyc->dither.mode; 115 else if (property == disp->dithering_depth) 116 *val = asyc->dither.depth; 117 else if (property == disp->vibrant_hue_property) 118 *val = asyc->procamp.vibrant_hue; 119 else if (property == disp->color_vibrance_property) 120 *val = asyc->procamp.color_vibrance; 121 else 122 return -EINVAL; 123 124 return 0; 125 } 126 127 int 128 nouveau_conn_atomic_set_property(struct drm_connector *connector, 129 struct drm_connector_state *state, 130 struct drm_property *property, u64 val) 131 { 132 struct drm_device *dev = connector->dev; 133 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 134 struct nouveau_display *disp = nouveau_display(dev); 135 136 if (property == dev->mode_config.scaling_mode_property) { 137 switch (val) { 138 case DRM_MODE_SCALE_NONE: 139 /* We allow 'None' for EDID modes, even on a fixed 140 * panel (some exist with support for lower refresh 141 * rates, which people might want to use for power- 142 * saving purposes). 143 * 144 * Non-EDID modes will force the use of GPU scaling 145 * to the native mode regardless of this setting. 146 */ 147 switch (connector->connector_type) { 148 case DRM_MODE_CONNECTOR_LVDS: 149 case DRM_MODE_CONNECTOR_eDP: 150 /* ... except prior to G80, where the code 151 * doesn't support such things. 152 */ 153 if (disp->disp.object.oclass < NV50_DISP) 154 return -EINVAL; 155 break; 156 default: 157 break; 158 } 159 break; 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 static void 395 nouveau_connector_destroy(struct drm_connector *connector) 396 { 397 struct nouveau_connector *nv_connector = nouveau_connector(connector); 398 nvif_event_dtor(&nv_connector->irq); 399 nvif_event_dtor(&nv_connector->hpd); 400 kfree(nv_connector->edid); 401 drm_connector_unregister(connector); 402 drm_connector_cleanup(connector); 403 if (nv_connector->aux.transfer) 404 drm_dp_cec_unregister_connector(&nv_connector->aux); 405 nvif_conn_dtor(&nv_connector->conn); 406 kfree(connector); 407 } 408 409 static struct nouveau_encoder * 410 nouveau_connector_ddc_detect(struct drm_connector *connector) 411 { 412 struct drm_device *dev = connector->dev; 413 struct pci_dev *pdev = to_pci_dev(dev->dev); 414 struct nouveau_connector *conn = nouveau_connector(connector); 415 struct nouveau_encoder *nv_encoder = NULL, *found = NULL; 416 struct drm_encoder *encoder; 417 int ret; 418 bool switcheroo_ddc = false; 419 420 drm_connector_for_each_possible_encoder(connector, encoder) { 421 nv_encoder = nouveau_encoder(encoder); 422 423 if (nvif_object_constructed(&nv_encoder->outp.object)) { 424 enum nvif_outp_detect_status status; 425 426 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) { 427 ret = nouveau_dp_detect(conn, nv_encoder); 428 if (ret == NOUVEAU_DP_MST) 429 return NULL; 430 if (ret != NOUVEAU_DP_SST) 431 continue; 432 433 return nv_encoder; 434 } else { 435 status = nvif_outp_detect(&nv_encoder->outp); 436 switch (status) { 437 case PRESENT: 438 return nv_encoder; 439 case NOT_PRESENT: 440 continue; 441 case UNKNOWN: 442 break; 443 default: 444 WARN_ON(1); 445 break; 446 } 447 } 448 } 449 450 if (!nv_encoder->i2c) 451 continue; 452 453 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS) { 454 switcheroo_ddc = !!(vga_switcheroo_handler_flags() & 455 VGA_SWITCHEROO_CAN_SWITCH_DDC); 456 } 457 458 if (switcheroo_ddc) 459 vga_switcheroo_lock_ddc(pdev); 460 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 461 found = nv_encoder; 462 if (switcheroo_ddc) 463 vga_switcheroo_unlock_ddc(pdev); 464 465 if (found) 466 break; 467 } 468 469 return found; 470 } 471 472 static struct nouveau_encoder * 473 nouveau_connector_of_detect(struct drm_connector *connector) 474 { 475 #ifdef __powerpc__ 476 struct drm_device *dev = connector->dev; 477 struct nouveau_connector *nv_connector = nouveau_connector(connector); 478 struct nouveau_encoder *nv_encoder; 479 struct pci_dev *pdev = to_pci_dev(dev->dev); 480 struct device_node *dn = pci_device_to_OF_node(pdev); 481 482 if (!dn || 483 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 484 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 485 return NULL; 486 487 for_each_child_of_node_scoped(dn, cn) { 488 const char *name = of_get_property(cn, "name", NULL); 489 const void *edid = of_get_property(cn, "EDID", NULL); 490 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 491 492 if (nv_encoder->dcb->i2c_index == idx && edid) { 493 nv_connector->edid = 494 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 495 return nv_encoder; 496 } 497 } 498 #endif 499 return NULL; 500 } 501 502 static void 503 nouveau_connector_set_encoder(struct drm_connector *connector, 504 struct nouveau_encoder *nv_encoder) 505 { 506 struct nouveau_connector *nv_connector = nouveau_connector(connector); 507 struct nouveau_drm *drm = nouveau_drm(connector->dev); 508 struct drm_device *dev = connector->dev; 509 struct pci_dev *pdev = to_pci_dev(dev->dev); 510 511 if (nv_connector->detected_encoder == nv_encoder) 512 return; 513 nv_connector->detected_encoder = nv_encoder; 514 515 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 516 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) 517 connector->interlace_allowed = 518 nv_encoder->caps.dp_interlace; 519 else 520 connector->interlace_allowed = 521 drm->client.device.info.family < NV_DEVICE_INFO_V0_VOLTA; 522 connector->doublescan_allowed = true; 523 } else 524 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 525 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 526 connector->doublescan_allowed = false; 527 connector->interlace_allowed = false; 528 } else { 529 connector->doublescan_allowed = true; 530 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN || 531 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 532 (pdev->device & 0x0ff0) != 0x0100 && 533 (pdev->device & 0x0ff0) != 0x0150)) 534 /* HW is broken */ 535 connector->interlace_allowed = false; 536 else 537 connector->interlace_allowed = true; 538 } 539 540 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 541 drm_object_property_set_value(&connector->base, 542 dev->mode_config.dvi_i_subconnector_property, 543 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 544 DRM_MODE_SUBCONNECTOR_DVID : 545 DRM_MODE_SUBCONNECTOR_DVIA); 546 } 547 } 548 549 static void 550 nouveau_connector_set_edid(struct nouveau_connector *nv_connector, 551 struct edid *edid) 552 { 553 if (nv_connector->edid != edid) { 554 struct edid *old_edid = nv_connector->edid; 555 556 drm_connector_update_edid_property(&nv_connector->base, edid); 557 kfree(old_edid); 558 nv_connector->edid = edid; 559 } 560 } 561 562 static enum drm_connector_status 563 nouveau_connector_detect(struct drm_connector *connector, bool force) 564 { 565 struct drm_device *dev = connector->dev; 566 struct nouveau_drm *drm = nouveau_drm(dev); 567 struct nouveau_connector *nv_connector = nouveau_connector(connector); 568 struct nouveau_encoder *nv_encoder = NULL; 569 struct nouveau_encoder *nv_partner; 570 int type; 571 int ret; 572 enum drm_connector_status conn_status = connector_status_disconnected; 573 574 /* Outputs are only polled while runtime active, so resuming the 575 * device here is unnecessary (and would deadlock upon runtime suspend 576 * because it waits for polling to finish). We do however, want to 577 * prevent the autosuspend timer from elapsing during this operation 578 * if possible. 579 */ 580 if (drm_kms_helper_is_poll_worker()) { 581 pm_runtime_get_noresume(dev->dev); 582 } else { 583 ret = pm_runtime_get_sync(dev->dev); 584 if (ret < 0 && ret != -EACCES) { 585 pm_runtime_put_autosuspend(dev->dev); 586 nouveau_connector_set_edid(nv_connector, NULL); 587 return conn_status; 588 } 589 } 590 591 nv_encoder = nouveau_connector_ddc_detect(connector); 592 if (nv_encoder) { 593 struct edid *new_edid = NULL; 594 595 if (nv_encoder->i2c) { 596 if ((vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC) && 597 nv_connector->type == DCB_CONNECTOR_LVDS) 598 new_edid = drm_get_edid_switcheroo(connector, nv_encoder->i2c); 599 else 600 new_edid = drm_get_edid(connector, nv_encoder->i2c); 601 } else { 602 ret = nvif_outp_edid_get(&nv_encoder->outp, (u8 **)&new_edid); 603 if (ret < 0) 604 return connector_status_disconnected; 605 } 606 607 nouveau_connector_set_edid(nv_connector, new_edid); 608 if (!nv_connector->edid) { 609 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 610 connector->name); 611 goto detect_analog; 612 } 613 614 /* Override encoder type for DVI-I based on whether EDID 615 * says the display is digital or analog, both use the 616 * same i2c channel so the value returned from ddc_detect 617 * isn't necessarily correct. 618 */ 619 nv_partner = NULL; 620 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 621 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 622 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 623 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 624 625 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 626 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 627 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 628 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 629 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 630 type = DCB_OUTPUT_TMDS; 631 else 632 type = DCB_OUTPUT_ANALOG; 633 634 nv_encoder = find_encoder(connector, type); 635 } 636 637 nouveau_connector_set_encoder(connector, nv_encoder); 638 conn_status = connector_status_connected; 639 640 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) 641 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); 642 643 goto out; 644 } else { 645 nouveau_connector_set_edid(nv_connector, NULL); 646 } 647 648 nv_encoder = nouveau_connector_of_detect(connector); 649 if (nv_encoder) { 650 nouveau_connector_set_encoder(connector, nv_encoder); 651 conn_status = connector_status_connected; 652 goto out; 653 } 654 655 detect_analog: 656 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 657 if (!nv_encoder && !nouveau_tv_disable) 658 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 659 if (nv_encoder && force) { 660 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 661 const struct drm_encoder_helper_funcs *helper = 662 encoder->helper_private; 663 664 if (helper->detect(encoder, connector) == 665 connector_status_connected) { 666 nouveau_connector_set_encoder(connector, nv_encoder); 667 conn_status = connector_status_connected; 668 goto out; 669 } 670 } 671 672 out: 673 if (!nv_connector->edid) 674 drm_dp_cec_unset_edid(&nv_connector->aux); 675 676 pm_runtime_mark_last_busy(dev->dev); 677 pm_runtime_put_autosuspend(dev->dev); 678 679 return conn_status; 680 } 681 682 static enum drm_connector_status 683 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 684 { 685 struct drm_device *dev = connector->dev; 686 struct nouveau_drm *drm = nouveau_drm(dev); 687 struct nouveau_connector *nv_connector = nouveau_connector(connector); 688 struct nouveau_encoder *nv_encoder = NULL; 689 struct edid *edid = NULL; 690 enum drm_connector_status status = connector_status_disconnected; 691 692 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 693 if (!nv_encoder) 694 goto out; 695 696 /* Try retrieving EDID via DDC */ 697 if (!drm->vbios.fp_no_ddc) { 698 status = nouveau_connector_detect(connector, force); 699 if (status == connector_status_connected) { 700 edid = nv_connector->edid; 701 goto out; 702 } 703 } 704 705 /* On some laptops (Sony, i'm looking at you) there appears to 706 * be no direct way of accessing the panel's EDID. The only 707 * option available to us appears to be to ask ACPI for help.. 708 * 709 * It's important this check's before trying straps, one of the 710 * said manufacturer's laptops are configured in such a way 711 * the nouveau decides an entry in the VBIOS FP mode table is 712 * valid - it's not (rh#613284) 713 */ 714 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 715 edid = nouveau_acpi_edid(dev, connector); 716 if (edid) { 717 status = connector_status_connected; 718 goto out; 719 } 720 } 721 722 /* If no EDID found above, and the VBIOS indicates a hardcoded 723 * modeline is avalilable for the panel, set it as the panel's 724 * native mode and exit. 725 */ 726 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 727 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 728 status = connector_status_connected; 729 goto out; 730 } 731 732 /* Still nothing, some VBIOS images have a hardcoded EDID block 733 * stored for the panel stored in them. 734 */ 735 if (!drm->vbios.fp_no_ddc) { 736 edid = (struct edid *)nouveau_bios_embedded_edid(dev); 737 if (edid) { 738 edid = kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 739 if (edid) 740 status = connector_status_connected; 741 } 742 } 743 744 out: 745 #if defined(CONFIG_ACPI_BUTTON) || \ 746 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 747 if (status == connector_status_connected && 748 !nouveau_ignorelid && !acpi_lid_open()) 749 status = connector_status_unknown; 750 #endif 751 752 nouveau_connector_set_edid(nv_connector, edid); 753 if (nv_encoder) 754 nouveau_connector_set_encoder(connector, nv_encoder); 755 return status; 756 } 757 758 static void 759 nouveau_connector_force(struct drm_connector *connector) 760 { 761 struct nouveau_drm *drm = nouveau_drm(connector->dev); 762 struct nouveau_connector *nv_connector = nouveau_connector(connector); 763 struct nouveau_encoder *nv_encoder; 764 int type; 765 766 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 767 if (connector->force == DRM_FORCE_ON_DIGITAL) 768 type = DCB_OUTPUT_TMDS; 769 else 770 type = DCB_OUTPUT_ANALOG; 771 } else 772 type = DCB_OUTPUT_ANY; 773 774 nv_encoder = find_encoder(connector, type); 775 if (!nv_encoder) { 776 NV_ERROR(drm, "can't find encoder to force %s on!\n", 777 connector->name); 778 connector->status = connector_status_disconnected; 779 return; 780 } 781 782 nouveau_connector_set_encoder(connector, nv_encoder); 783 } 784 785 static int 786 nouveau_connector_set_property(struct drm_connector *connector, 787 struct drm_property *property, uint64_t value) 788 { 789 struct nouveau_connector *nv_connector = nouveau_connector(connector); 790 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 791 struct nouveau_conn_atom *asyc = &nv_connector->properties_state; 792 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 793 int ret; 794 795 ret = connector->funcs->atomic_set_property(&nv_connector->base, 796 &asyc->state, 797 property, value); 798 if (ret) { 799 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 800 return get_slave_funcs(encoder)->set_property( 801 encoder, connector, property, value); 802 return ret; 803 } 804 805 nv_connector->scaling_mode = asyc->scaler.mode; 806 nv_connector->dithering_mode = asyc->dither.mode; 807 808 if (connector->encoder && connector->encoder->crtc) { 809 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 810 &connector->encoder->crtc->mode, 811 connector->encoder->crtc->x, 812 connector->encoder->crtc->y, 813 NULL); 814 if (!ret) 815 return -EINVAL; 816 } 817 818 return 0; 819 } 820 821 struct moderec { 822 int hdisplay; 823 int vdisplay; 824 }; 825 826 static struct moderec scaler_modes[] = { 827 { 1920, 1200 }, 828 { 1920, 1080 }, 829 { 1680, 1050 }, 830 { 1600, 1200 }, 831 { 1400, 1050 }, 832 { 1280, 1024 }, 833 { 1280, 960 }, 834 { 1152, 864 }, 835 { 1024, 768 }, 836 { 800, 600 }, 837 { 720, 400 }, 838 { 640, 480 }, 839 { 640, 400 }, 840 { 640, 350 }, 841 {} 842 }; 843 844 static int 845 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 846 { 847 struct nouveau_connector *nv_connector = nouveau_connector(connector); 848 struct drm_display_mode *native = nv_connector->native_mode, *m; 849 struct drm_device *dev = connector->dev; 850 struct moderec *mode = &scaler_modes[0]; 851 int modes = 0; 852 853 if (!native) 854 return 0; 855 856 while (mode->hdisplay) { 857 if (mode->hdisplay <= native->hdisplay && 858 mode->vdisplay <= native->vdisplay && 859 (mode->hdisplay != native->hdisplay || 860 mode->vdisplay != native->vdisplay)) { 861 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 862 drm_mode_vrefresh(native), false, 863 false, false); 864 if (!m) 865 continue; 866 867 drm_mode_probed_add(connector, m); 868 modes++; 869 } 870 871 mode++; 872 } 873 874 return modes; 875 } 876 877 static void 878 nouveau_connector_detect_depth(struct drm_connector *connector) 879 { 880 struct nouveau_drm *drm = nouveau_drm(connector->dev); 881 struct nouveau_connector *nv_connector = nouveau_connector(connector); 882 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 883 struct nvbios *bios = &drm->vbios; 884 struct drm_display_mode *mode = nv_connector->native_mode; 885 bool duallink; 886 887 /* if the edid is feeling nice enough to provide this info, use it */ 888 if (nv_connector->edid && connector->display_info.bpc) 889 return; 890 891 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 892 if (nv_connector->type == DCB_CONNECTOR_eDP) { 893 connector->display_info.bpc = 6; 894 return; 895 } 896 897 /* we're out of options unless we're LVDS, default to 8bpc */ 898 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 899 connector->display_info.bpc = 8; 900 return; 901 } 902 903 connector->display_info.bpc = 6; 904 905 /* LVDS: panel straps */ 906 if (bios->fp_no_ddc) { 907 if (bios->fp.if_is_24bit) 908 connector->display_info.bpc = 8; 909 return; 910 } 911 912 /* LVDS: DDC panel, need to first determine the number of links to 913 * know which if_is_24bit flag to check... 914 */ 915 if (nv_connector->edid && 916 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 917 duallink = ((u8 *)nv_connector->edid)[121] == 2; 918 else 919 duallink = mode->clock >= bios->fp.duallink_transition_clk; 920 921 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 922 ( duallink && (bios->fp.strapless_is_24bit & 2))) 923 connector->display_info.bpc = 8; 924 } 925 926 static int 927 nouveau_connector_late_register(struct drm_connector *connector) 928 { 929 int ret; 930 931 ret = nouveau_backlight_init(connector); 932 if (ret) 933 return ret; 934 935 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 936 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 937 ret = drm_dp_aux_register(&nouveau_connector(connector)->aux); 938 if (ret) 939 goto backlight_fini; 940 } 941 942 return 0; 943 backlight_fini: 944 nouveau_backlight_fini(connector); 945 return ret; 946 } 947 948 static void 949 nouveau_connector_early_unregister(struct drm_connector *connector) 950 { 951 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 952 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) 953 drm_dp_aux_unregister(&nouveau_connector(connector)->aux); 954 955 nouveau_backlight_fini(connector); 956 } 957 958 static int 959 nouveau_connector_get_modes(struct drm_connector *connector) 960 { 961 struct drm_device *dev = connector->dev; 962 struct nouveau_drm *drm = nouveau_drm(dev); 963 struct nouveau_connector *nv_connector = nouveau_connector(connector); 964 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 965 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 966 int ret = 0; 967 968 /* destroy the native mode, the attached monitor could have changed. 969 */ 970 if (nv_connector->native_mode) { 971 drm_mode_destroy(dev, nv_connector->native_mode); 972 nv_connector->native_mode = NULL; 973 } 974 975 if (nv_connector->edid) 976 ret = drm_add_edid_modes(connector, nv_connector->edid); 977 else 978 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 979 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 980 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 981 struct drm_display_mode mode; 982 983 nouveau_bios_fp_mode(dev, &mode); 984 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 985 } 986 987 /* Determine display colour depth for everything except LVDS now, 988 * DP requires this before mode_valid() is called. 989 */ 990 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 991 nouveau_connector_detect_depth(connector); 992 993 /* Find the native mode if this is a digital panel, if we didn't 994 * find any modes through DDC previously add the native mode to 995 * the list of modes. 996 */ 997 if (!nv_connector->native_mode) 998 nv_connector->native_mode = nouveau_conn_native_mode(connector); 999 if (ret == 0 && nv_connector->native_mode) { 1000 struct drm_display_mode *mode; 1001 1002 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 1003 if (!mode) 1004 return 0; 1005 1006 drm_mode_probed_add(connector, mode); 1007 ret = 1; 1008 } 1009 1010 /* Determine LVDS colour depth, must happen after determining 1011 * "native" mode as some VBIOS tables require us to use the 1012 * pixel clock as part of the lookup... 1013 */ 1014 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS && nv_connector->native_mode) 1015 nouveau_connector_detect_depth(connector); 1016 1017 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 1018 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 1019 1020 if (nv_connector->type == DCB_CONNECTOR_LVDS || 1021 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 1022 nv_connector->type == DCB_CONNECTOR_eDP) 1023 ret += nouveau_connector_scaler_modes_add(connector); 1024 1025 return ret; 1026 } 1027 1028 static unsigned 1029 get_tmds_link_bandwidth(struct drm_connector *connector) 1030 { 1031 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1032 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1033 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1034 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 1035 struct drm_display_info *info = NULL; 1036 unsigned duallink_scale = 1037 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1; 1038 1039 if (nv_connector->base.display_info.is_hdmi) { 1040 info = &nv_connector->base.display_info; 1041 duallink_scale = 1; 1042 } 1043 1044 if (info) { 1045 if (nouveau_hdmimhz > 0) 1046 return nouveau_hdmimhz * 1000; 1047 /* Note: these limits are conservative, some Fermi's 1048 * can do 297 MHz. Unclear how this can be determined. 1049 */ 1050 if (drm->client.device.info.chipset >= 0x120) { 1051 const int max_tmds_clock = 1052 info->hdmi.scdc.scrambling.supported ? 1053 594000 : 340000; 1054 return info->max_tmds_clock ? 1055 min(info->max_tmds_clock, max_tmds_clock) : 1056 max_tmds_clock; 1057 } 1058 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 1059 return 297000; 1060 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 1061 return 225000; 1062 } 1063 1064 if (dcb->location != DCB_LOC_ON_CHIP || 1065 drm->client.device.info.chipset >= 0x46) 1066 return 165000 * duallink_scale; 1067 else if (drm->client.device.info.chipset >= 0x40) 1068 return 155000 * duallink_scale; 1069 else if (drm->client.device.info.chipset >= 0x18) 1070 return 135000 * duallink_scale; 1071 else 1072 return 112000 * duallink_scale; 1073 } 1074 1075 static enum drm_mode_status 1076 nouveau_connector_mode_valid(struct drm_connector *connector, 1077 struct drm_display_mode *mode) 1078 { 1079 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1080 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1081 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1082 unsigned int min_clock = 25000, max_clock = min_clock, clock = mode->clock; 1083 1084 switch (nv_encoder->dcb->type) { 1085 case DCB_OUTPUT_LVDS: 1086 if (nv_connector->native_mode && 1087 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1088 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1089 return MODE_PANEL; 1090 1091 min_clock = 0; 1092 max_clock = 400000; 1093 break; 1094 case DCB_OUTPUT_TMDS: 1095 max_clock = get_tmds_link_bandwidth(connector); 1096 break; 1097 case DCB_OUTPUT_ANALOG: 1098 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1099 if (!max_clock) 1100 max_clock = 350000; 1101 break; 1102 case DCB_OUTPUT_TV: 1103 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1104 case DCB_OUTPUT_DP: 1105 return nv50_dp_mode_valid(nv_encoder, mode, NULL); 1106 default: 1107 BUG(); 1108 return MODE_BAD; 1109 } 1110 1111 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1112 clock *= 2; 1113 1114 if (clock < min_clock) 1115 return MODE_CLOCK_LOW; 1116 if (clock > max_clock) 1117 return MODE_CLOCK_HIGH; 1118 1119 return MODE_OK; 1120 } 1121 1122 static struct drm_encoder * 1123 nouveau_connector_best_encoder(struct drm_connector *connector) 1124 { 1125 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1126 1127 if (nv_connector->detected_encoder) 1128 return to_drm_encoder(nv_connector->detected_encoder); 1129 1130 return NULL; 1131 } 1132 1133 static int 1134 nouveau_connector_atomic_check(struct drm_connector *connector, struct drm_atomic_state *state) 1135 { 1136 struct nouveau_connector *nv_conn = nouveau_connector(connector); 1137 struct drm_connector_state *conn_state = 1138 drm_atomic_get_new_connector_state(state, connector); 1139 1140 if (!nv_conn->dp_encoder || !nv_conn->dp_encoder->dp.mstm) 1141 return 0; 1142 1143 return drm_dp_mst_root_conn_atomic_check(conn_state, &nv_conn->dp_encoder->dp.mstm->mgr); 1144 } 1145 1146 static const struct drm_connector_helper_funcs 1147 nouveau_connector_helper_funcs = { 1148 .get_modes = nouveau_connector_get_modes, 1149 .mode_valid = nouveau_connector_mode_valid, 1150 .best_encoder = nouveau_connector_best_encoder, 1151 .atomic_check = nouveau_connector_atomic_check, 1152 }; 1153 1154 static const struct drm_connector_funcs 1155 nouveau_connector_funcs = { 1156 .dpms = drm_helper_connector_dpms, 1157 .reset = nouveau_conn_reset, 1158 .detect = nouveau_connector_detect, 1159 .force = nouveau_connector_force, 1160 .fill_modes = drm_helper_probe_single_connector_modes, 1161 .set_property = nouveau_connector_set_property, 1162 .destroy = nouveau_connector_destroy, 1163 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1164 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1165 .atomic_set_property = nouveau_conn_atomic_set_property, 1166 .atomic_get_property = nouveau_conn_atomic_get_property, 1167 .late_register = nouveau_connector_late_register, 1168 .early_unregister = nouveau_connector_early_unregister, 1169 }; 1170 1171 static const struct drm_connector_funcs 1172 nouveau_connector_funcs_lvds = { 1173 .dpms = drm_helper_connector_dpms, 1174 .reset = nouveau_conn_reset, 1175 .detect = nouveau_connector_detect_lvds, 1176 .force = nouveau_connector_force, 1177 .fill_modes = drm_helper_probe_single_connector_modes, 1178 .set_property = nouveau_connector_set_property, 1179 .destroy = nouveau_connector_destroy, 1180 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1181 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1182 .atomic_set_property = nouveau_conn_atomic_set_property, 1183 .atomic_get_property = nouveau_conn_atomic_get_property, 1184 .late_register = nouveau_connector_late_register, 1185 .early_unregister = nouveau_connector_early_unregister, 1186 }; 1187 1188 void 1189 nouveau_connector_hpd(struct nouveau_connector *nv_connector, u64 bits) 1190 { 1191 struct nouveau_drm *drm = nouveau_drm(nv_connector->base.dev); 1192 u32 mask = drm_connector_mask(&nv_connector->base); 1193 unsigned long flags; 1194 1195 spin_lock_irqsave(&drm->hpd_lock, flags); 1196 if (!(drm->hpd_pending & mask)) { 1197 nv_connector->hpd_pending |= bits; 1198 drm->hpd_pending |= mask; 1199 schedule_work(&drm->hpd_work); 1200 } 1201 spin_unlock_irqrestore(&drm->hpd_lock, flags); 1202 } 1203 1204 static int 1205 nouveau_connector_irq(struct nvif_event *event, void *repv, u32 repc) 1206 { 1207 struct nouveau_connector *nv_connector = container_of(event, typeof(*nv_connector), irq); 1208 1209 schedule_work(&nv_connector->irq_work); 1210 return NVIF_EVENT_KEEP; 1211 } 1212 1213 static int 1214 nouveau_connector_hotplug(struct nvif_event *event, void *repv, u32 repc) 1215 { 1216 struct nouveau_connector *nv_connector = container_of(event, typeof(*nv_connector), hpd); 1217 struct nvif_conn_event_v0 *rep = repv; 1218 1219 nouveau_connector_hpd(nv_connector, rep->types); 1220 return NVIF_EVENT_KEEP; 1221 } 1222 1223 static ssize_t 1224 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1225 { 1226 struct nouveau_connector *nv_connector = 1227 container_of(obj, typeof(*nv_connector), aux); 1228 struct nouveau_encoder *nv_encoder; 1229 u8 size = msg->size; 1230 int ret; 1231 1232 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1233 if (!nv_encoder) 1234 return -ENODEV; 1235 if (WARN_ON(msg->size > 16)) 1236 return -E2BIG; 1237 1238 ret = nvif_outp_dp_aux_xfer(&nv_encoder->outp, 1239 msg->request, &size, msg->address, msg->buffer); 1240 if (ret >= 0) { 1241 msg->reply = ret; 1242 return size; 1243 } 1244 1245 return ret; 1246 } 1247 1248 static int 1249 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1250 { 1251 switch (dcb) { 1252 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1253 case DCB_CONNECTOR_TV_0 : 1254 case DCB_CONNECTOR_TV_1 : 1255 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1256 case DCB_CONNECTOR_DMS59_0 : 1257 case DCB_CONNECTOR_DMS59_1 : 1258 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1259 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1260 case DCB_CONNECTOR_LVDS : 1261 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1262 case DCB_CONNECTOR_DMS59_DP0: 1263 case DCB_CONNECTOR_DMS59_DP1: 1264 case DCB_CONNECTOR_DP : 1265 case DCB_CONNECTOR_mDP : 1266 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort; 1267 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1268 case DCB_CONNECTOR_HDMI_0 : 1269 case DCB_CONNECTOR_HDMI_1 : 1270 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1271 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1272 default: 1273 break; 1274 } 1275 1276 return DRM_MODE_CONNECTOR_Unknown; 1277 } 1278 1279 struct drm_connector * 1280 nouveau_connector_create(struct drm_device *dev, int index) 1281 { 1282 struct nouveau_drm *drm = nouveau_drm(dev); 1283 struct nouveau_display *disp = nouveau_display(dev); 1284 struct nouveau_connector *nv_connector = NULL; 1285 struct drm_connector *connector; 1286 struct drm_connector_list_iter conn_iter; 1287 int type, ret = 0; 1288 bool dummy; 1289 1290 drm_connector_list_iter_begin(dev, &conn_iter); 1291 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1292 nv_connector = nouveau_connector(connector); 1293 if (nv_connector->index == index) { 1294 drm_connector_list_iter_end(&conn_iter); 1295 return connector; 1296 } 1297 } 1298 drm_connector_list_iter_end(&conn_iter); 1299 1300 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1301 if (!nv_connector) 1302 return ERR_PTR(-ENOMEM); 1303 1304 connector = &nv_connector->base; 1305 nv_connector->index = index; 1306 INIT_WORK(&nv_connector->irq_work, nouveau_dp_irq); 1307 1308 if (disp->disp.conn_mask & BIT(nv_connector->index)) { 1309 ret = nvif_conn_ctor(&disp->disp, nv_connector->base.name, nv_connector->index, 1310 &nv_connector->conn); 1311 if (ret) { 1312 kfree(nv_connector); 1313 return ERR_PTR(ret); 1314 } 1315 1316 switch (nv_connector->conn.info.type) { 1317 case NVIF_CONN_VGA : type = DCB_CONNECTOR_VGA; break; 1318 case NVIF_CONN_DVI_I : type = DCB_CONNECTOR_DVI_I; break; 1319 case NVIF_CONN_DVI_D : type = DCB_CONNECTOR_DVI_D; break; 1320 case NVIF_CONN_LVDS : type = DCB_CONNECTOR_LVDS; break; 1321 case NVIF_CONN_LVDS_SPWG: type = DCB_CONNECTOR_LVDS_SPWG; break; 1322 case NVIF_CONN_DP : type = DCB_CONNECTOR_DP; break; 1323 case NVIF_CONN_EDP : type = DCB_CONNECTOR_eDP; break; 1324 case NVIF_CONN_HDMI : type = DCB_CONNECTOR_HDMI_0; break; 1325 default: 1326 WARN_ON(1); 1327 return NULL; 1328 } 1329 1330 nv_connector->type = type; 1331 } else { 1332 u8 *dcb = olddcb_conn(dev, nv_connector->index); 1333 1334 if (dcb) 1335 nv_connector->type = dcb[0]; 1336 else 1337 nv_connector->type = DCB_CONNECTOR_NONE; 1338 1339 /* attempt to parse vbios connector type and hotplug gpio */ 1340 if (nv_connector->type != DCB_CONNECTOR_NONE) { 1341 if (drm_conntype_from_dcb(nv_connector->type) == 1342 DRM_MODE_CONNECTOR_Unknown) { 1343 NV_WARN(drm, "unknown connector type %02x\n", 1344 nv_connector->type); 1345 nv_connector->type = DCB_CONNECTOR_NONE; 1346 } 1347 } 1348 1349 /* no vbios data, or an unknown dcb connector type - attempt to 1350 * figure out something suitable ourselves 1351 */ 1352 if (nv_connector->type == DCB_CONNECTOR_NONE && 1353 !WARN_ON(drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA)) { 1354 struct dcb_table *dcbt = &drm->vbios.dcb; 1355 u32 encoders = 0; 1356 int i; 1357 1358 for (i = 0; i < dcbt->entries; i++) { 1359 if (dcbt->entry[i].connector == nv_connector->index) 1360 encoders |= (1 << dcbt->entry[i].type); 1361 } 1362 1363 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1364 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1365 nv_connector->type = DCB_CONNECTOR_DVI_I; 1366 else 1367 nv_connector->type = DCB_CONNECTOR_DVI_D; 1368 } else 1369 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1370 nv_connector->type = DCB_CONNECTOR_VGA; 1371 } else 1372 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1373 nv_connector->type = DCB_CONNECTOR_LVDS; 1374 } else 1375 if (encoders & (1 << DCB_OUTPUT_TV)) { 1376 nv_connector->type = DCB_CONNECTOR_TV_0; 1377 } 1378 } 1379 } 1380 1381 type = drm_conntype_from_dcb(nv_connector->type); 1382 if (type == DRM_MODE_CONNECTOR_LVDS) 1383 drm_connector_init(dev, connector, &nouveau_connector_funcs_lvds, type); 1384 else 1385 drm_connector_init(dev, connector, &nouveau_connector_funcs, type); 1386 1387 switch (type) { 1388 case DRM_MODE_CONNECTOR_LVDS: 1389 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1390 if (ret) { 1391 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1392 kfree(nv_connector); 1393 return ERR_PTR(ret); 1394 } 1395 1396 break; 1397 case DRM_MODE_CONNECTOR_DisplayPort: 1398 case DRM_MODE_CONNECTOR_eDP: 1399 nv_connector->aux.dev = connector->kdev; 1400 nv_connector->aux.drm_dev = dev; 1401 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1402 nv_connector->aux.name = connector->name; 1403 drm_dp_aux_init(&nv_connector->aux); 1404 break; 1405 default: 1406 break; 1407 } 1408 1409 /* HDMI 3D support */ 1410 if ((disp->disp.object.oclass >= G82_DISP) 1411 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1412 || (type == DRM_MODE_CONNECTOR_eDP) 1413 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1414 connector->stereo_allowed = true; 1415 1416 /* defaults, will get overridden in detect() */ 1417 connector->interlace_allowed = false; 1418 connector->doublescan_allowed = false; 1419 1420 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1421 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1422 1423 if (nvif_object_constructed(&nv_connector->conn.object)) { 1424 ret = nvif_conn_event_ctor(&nv_connector->conn, "kmsHotplug", 1425 nouveau_connector_hotplug, 1426 NVIF_CONN_EVENT_V0_PLUG | NVIF_CONN_EVENT_V0_UNPLUG, 1427 &nv_connector->hpd); 1428 if (ret == 0) 1429 connector->polled = DRM_CONNECTOR_POLL_HPD; 1430 1431 if (nv_connector->aux.transfer) { 1432 ret = nvif_conn_event_ctor(&nv_connector->conn, "kmsDpIrq", 1433 nouveau_connector_irq, NVIF_CONN_EVENT_V0_IRQ, 1434 &nv_connector->irq); 1435 if (ret) { 1436 nvif_event_dtor(&nv_connector->hpd); 1437 nvif_conn_dtor(&nv_connector->conn); 1438 goto drm_conn_err; 1439 } 1440 } 1441 } 1442 1443 connector->funcs->reset(connector); 1444 nouveau_conn_attach_properties(connector); 1445 1446 /* Default scaling mode */ 1447 switch (nv_connector->type) { 1448 case DCB_CONNECTOR_LVDS: 1449 case DCB_CONNECTOR_LVDS_SPWG: 1450 case DCB_CONNECTOR_eDP: 1451 /* see note in nouveau_connector_set_property() */ 1452 if (disp->disp.object.oclass < NV50_DISP) { 1453 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1454 break; 1455 } 1456 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1457 break; 1458 default: 1459 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1460 break; 1461 } 1462 1463 /* dithering properties */ 1464 switch (nv_connector->type) { 1465 case DCB_CONNECTOR_TV_0: 1466 case DCB_CONNECTOR_TV_1: 1467 case DCB_CONNECTOR_TV_3: 1468 case DCB_CONNECTOR_VGA: 1469 break; 1470 default: 1471 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1472 break; 1473 } 1474 1475 switch (type) { 1476 case DRM_MODE_CONNECTOR_DisplayPort: 1477 nv_connector->dp_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1478 fallthrough; 1479 case DRM_MODE_CONNECTOR_eDP: 1480 drm_dp_cec_register_connector(&nv_connector->aux, connector); 1481 break; 1482 } 1483 1484 drm_connector_register(connector); 1485 return connector; 1486 1487 drm_conn_err: 1488 drm_connector_cleanup(connector); 1489 kfree(nv_connector); 1490 return ERR_PTR(ret); 1491 } 1492