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