1 /* 2 * Copyright (C) 2008 Maarten Maathuis. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #include <acpi/button.h> 28 29 #include <linux/pm_runtime.h> 30 #include <linux/vga_switcheroo.h> 31 32 #include <drm/drm_atomic_helper.h> 33 #include <drm/drm_edid.h> 34 #include <drm/drm_crtc_helper.h> 35 #include <drm/drm_probe_helper.h> 36 #include <drm/drm_atomic.h> 37 38 #include "nouveau_reg.h" 39 #include "nouveau_drv.h" 40 #include "dispnv04/hw.h" 41 #include "dispnv50/disp.h" 42 #include "nouveau_acpi.h" 43 44 #include "nouveau_display.h" 45 #include "nouveau_connector.h" 46 #include "nouveau_encoder.h" 47 #include "nouveau_crtc.h" 48 49 #include <nvif/class.h> 50 #include <nvif/cl0046.h> 51 #include <nvif/event.h> 52 53 struct drm_display_mode * 54 nouveau_conn_native_mode(struct drm_connector *connector) 55 { 56 const struct drm_connector_helper_funcs *helper = connector->helper_private; 57 struct nouveau_drm *drm = nouveau_drm(connector->dev); 58 struct drm_device *dev = connector->dev; 59 struct drm_display_mode *mode, *largest = NULL; 60 int high_w = 0, high_h = 0, high_v = 0; 61 62 list_for_each_entry(mode, &connector->probed_modes, head) { 63 if (helper->mode_valid(connector, mode) != MODE_OK || 64 (mode->flags & DRM_MODE_FLAG_INTERLACE)) 65 continue; 66 67 /* Use preferred mode if there is one.. */ 68 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 69 NV_DEBUG(drm, "native mode from preferred\n"); 70 return drm_mode_duplicate(dev, mode); 71 } 72 73 /* Otherwise, take the resolution with the largest width, then 74 * height, then vertical refresh 75 */ 76 if (mode->hdisplay < high_w) 77 continue; 78 79 if (mode->hdisplay == high_w && mode->vdisplay < high_h) 80 continue; 81 82 if (mode->hdisplay == high_w && mode->vdisplay == high_h && 83 drm_mode_vrefresh(mode) < high_v) 84 continue; 85 86 high_w = mode->hdisplay; 87 high_h = mode->vdisplay; 88 high_v = drm_mode_vrefresh(mode); 89 largest = mode; 90 } 91 92 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n", 93 high_w, high_h, high_v); 94 return largest ? drm_mode_duplicate(dev, largest) : NULL; 95 } 96 97 int 98 nouveau_conn_atomic_get_property(struct drm_connector *connector, 99 const struct drm_connector_state *state, 100 struct drm_property *property, u64 *val) 101 { 102 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 103 struct nouveau_display *disp = nouveau_display(connector->dev); 104 struct drm_device *dev = connector->dev; 105 106 if (property == dev->mode_config.scaling_mode_property) 107 *val = asyc->scaler.mode; 108 else if (property == disp->underscan_property) 109 *val = asyc->scaler.underscan.mode; 110 else if (property == disp->underscan_hborder_property) 111 *val = asyc->scaler.underscan.hborder; 112 else if (property == disp->underscan_vborder_property) 113 *val = asyc->scaler.underscan.vborder; 114 else if (property == disp->dithering_mode) 115 *val = asyc->dither.mode; 116 else if (property == disp->dithering_depth) 117 *val = asyc->dither.depth; 118 else if (property == disp->vibrant_hue_property) 119 *val = asyc->procamp.vibrant_hue; 120 else if (property == disp->color_vibrance_property) 121 *val = asyc->procamp.color_vibrance; 122 else 123 return -EINVAL; 124 125 return 0; 126 } 127 128 int 129 nouveau_conn_atomic_set_property(struct drm_connector *connector, 130 struct drm_connector_state *state, 131 struct drm_property *property, u64 val) 132 { 133 struct drm_device *dev = connector->dev; 134 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 135 struct nouveau_display *disp = nouveau_display(dev); 136 137 if (property == dev->mode_config.scaling_mode_property) { 138 switch (val) { 139 case DRM_MODE_SCALE_NONE: 140 /* We allow 'None' for EDID modes, even on a fixed 141 * panel (some exist with support for lower refresh 142 * rates, which people might want to use for power- 143 * saving purposes). 144 * 145 * Non-EDID modes will force the use of GPU scaling 146 * to the native mode regardless of this setting. 147 */ 148 switch (connector->connector_type) { 149 case DRM_MODE_CONNECTOR_LVDS: 150 case DRM_MODE_CONNECTOR_eDP: 151 /* ... except prior to G80, where the code 152 * doesn't support such things. 153 */ 154 if (disp->disp.object.oclass < NV50_DISP) 155 return -EINVAL; 156 break; 157 default: 158 break; 159 } 160 case DRM_MODE_SCALE_FULLSCREEN: 161 case DRM_MODE_SCALE_CENTER: 162 case DRM_MODE_SCALE_ASPECT: 163 break; 164 default: 165 return -EINVAL; 166 } 167 168 if (asyc->scaler.mode != val) { 169 asyc->scaler.mode = val; 170 asyc->set.scaler = true; 171 } 172 } else 173 if (property == disp->underscan_property) { 174 if (asyc->scaler.underscan.mode != val) { 175 asyc->scaler.underscan.mode = val; 176 asyc->set.scaler = true; 177 } 178 } else 179 if (property == disp->underscan_hborder_property) { 180 if (asyc->scaler.underscan.hborder != val) { 181 asyc->scaler.underscan.hborder = val; 182 asyc->set.scaler = true; 183 } 184 } else 185 if (property == disp->underscan_vborder_property) { 186 if (asyc->scaler.underscan.vborder != val) { 187 asyc->scaler.underscan.vborder = val; 188 asyc->set.scaler = true; 189 } 190 } else 191 if (property == disp->dithering_mode) { 192 if (asyc->dither.mode != val) { 193 asyc->dither.mode = val; 194 asyc->set.dither = true; 195 } 196 } else 197 if (property == disp->dithering_depth) { 198 if (asyc->dither.mode != val) { 199 asyc->dither.depth = val; 200 asyc->set.dither = true; 201 } 202 } else 203 if (property == disp->vibrant_hue_property) { 204 if (asyc->procamp.vibrant_hue != val) { 205 asyc->procamp.vibrant_hue = val; 206 asyc->set.procamp = true; 207 } 208 } else 209 if (property == disp->color_vibrance_property) { 210 if (asyc->procamp.color_vibrance != val) { 211 asyc->procamp.color_vibrance = val; 212 asyc->set.procamp = true; 213 } 214 } else { 215 return -EINVAL; 216 } 217 218 return 0; 219 } 220 221 void 222 nouveau_conn_atomic_destroy_state(struct drm_connector *connector, 223 struct drm_connector_state *state) 224 { 225 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 226 __drm_atomic_helper_connector_destroy_state(&asyc->state); 227 kfree(asyc); 228 } 229 230 struct drm_connector_state * 231 nouveau_conn_atomic_duplicate_state(struct drm_connector *connector) 232 { 233 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state); 234 struct nouveau_conn_atom *asyc; 235 if (!(asyc = kmalloc(sizeof(*asyc), GFP_KERNEL))) 236 return NULL; 237 __drm_atomic_helper_connector_duplicate_state(connector, &asyc->state); 238 asyc->dither = armc->dither; 239 asyc->scaler = armc->scaler; 240 asyc->procamp = armc->procamp; 241 asyc->set.mask = 0; 242 return &asyc->state; 243 } 244 245 void 246 nouveau_conn_reset(struct drm_connector *connector) 247 { 248 struct nouveau_connector *nv_connector = nouveau_connector(connector); 249 struct nouveau_conn_atom *asyc; 250 251 if (drm_drv_uses_atomic_modeset(connector->dev)) { 252 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL)))) 253 return; 254 255 if (connector->state) 256 nouveau_conn_atomic_destroy_state(connector, 257 connector->state); 258 259 __drm_atomic_helper_connector_reset(connector, &asyc->state); 260 } else { 261 asyc = &nv_connector->properties_state; 262 } 263 264 asyc->dither.mode = DITHERING_MODE_AUTO; 265 asyc->dither.depth = DITHERING_DEPTH_AUTO; 266 asyc->scaler.mode = DRM_MODE_SCALE_NONE; 267 asyc->scaler.underscan.mode = UNDERSCAN_OFF; 268 asyc->procamp.color_vibrance = 150; 269 asyc->procamp.vibrant_hue = 90; 270 271 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) { 272 switch (connector->connector_type) { 273 case DRM_MODE_CONNECTOR_LVDS: 274 /* See note in nouveau_conn_atomic_set_property(). */ 275 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN; 276 break; 277 default: 278 break; 279 } 280 } 281 } 282 283 void 284 nouveau_conn_attach_properties(struct drm_connector *connector) 285 { 286 struct drm_device *dev = connector->dev; 287 struct nouveau_display *disp = nouveau_display(dev); 288 struct nouveau_connector *nv_connector = nouveau_connector(connector); 289 struct nouveau_conn_atom *armc; 290 291 if (drm_drv_uses_atomic_modeset(connector->dev)) 292 armc = nouveau_conn_atom(connector->state); 293 else 294 armc = &nv_connector->properties_state; 295 296 /* Init DVI-I specific properties. */ 297 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) 298 drm_object_attach_property(&connector->base, dev->mode_config. 299 dvi_i_subconnector_property, 0); 300 301 /* Add overscan compensation options to digital outputs. */ 302 if (disp->underscan_property && 303 (connector->connector_type == DRM_MODE_CONNECTOR_DVID || 304 connector->connector_type == DRM_MODE_CONNECTOR_DVII || 305 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 306 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) { 307 drm_object_attach_property(&connector->base, 308 disp->underscan_property, 309 UNDERSCAN_OFF); 310 drm_object_attach_property(&connector->base, 311 disp->underscan_hborder_property, 0); 312 drm_object_attach_property(&connector->base, 313 disp->underscan_vborder_property, 0); 314 } 315 316 /* Add hue and saturation options. */ 317 if (disp->vibrant_hue_property) 318 drm_object_attach_property(&connector->base, 319 disp->vibrant_hue_property, 320 armc->procamp.vibrant_hue); 321 if (disp->color_vibrance_property) 322 drm_object_attach_property(&connector->base, 323 disp->color_vibrance_property, 324 armc->procamp.color_vibrance); 325 326 /* Scaling mode property. */ 327 switch (connector->connector_type) { 328 case DRM_MODE_CONNECTOR_TV: 329 break; 330 case DRM_MODE_CONNECTOR_VGA: 331 if (disp->disp.object.oclass < NV50_DISP) 332 break; /* Can only scale on DFPs. */ 333 fallthrough; 334 default: 335 drm_object_attach_property(&connector->base, dev->mode_config. 336 scaling_mode_property, 337 armc->scaler.mode); 338 break; 339 } 340 341 /* Dithering properties. */ 342 switch (connector->connector_type) { 343 case DRM_MODE_CONNECTOR_TV: 344 case DRM_MODE_CONNECTOR_VGA: 345 break; 346 default: 347 if (disp->dithering_mode) { 348 drm_object_attach_property(&connector->base, 349 disp->dithering_mode, 350 armc->dither.mode); 351 } 352 if (disp->dithering_depth) { 353 drm_object_attach_property(&connector->base, 354 disp->dithering_depth, 355 armc->dither.depth); 356 } 357 break; 358 } 359 } 360 361 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); 362 int nouveau_tv_disable = 0; 363 module_param_named(tv_disable, nouveau_tv_disable, int, 0400); 364 365 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status"); 366 int nouveau_ignorelid = 0; 367 module_param_named(ignorelid, nouveau_ignorelid, int, 0400); 368 369 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); 370 int nouveau_duallink = 1; 371 module_param_named(duallink, nouveau_duallink, int, 0400); 372 373 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)"); 374 int nouveau_hdmimhz = 0; 375 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400); 376 377 struct nouveau_encoder * 378 find_encoder(struct drm_connector *connector, int type) 379 { 380 struct nouveau_encoder *nv_encoder; 381 struct drm_encoder *enc; 382 383 drm_connector_for_each_possible_encoder(connector, enc) { 384 nv_encoder = nouveau_encoder(enc); 385 386 if (type == DCB_OUTPUT_ANY || 387 (nv_encoder->dcb && nv_encoder->dcb->type == type)) 388 return nv_encoder; 389 } 390 391 return NULL; 392 } 393 394 static void 395 nouveau_connector_destroy(struct drm_connector *connector) 396 { 397 struct nouveau_connector *nv_connector = nouveau_connector(connector); 398 nvif_notify_dtor(&nv_connector->hpd); 399 kfree(nv_connector->edid); 400 drm_connector_unregister(connector); 401 drm_connector_cleanup(connector); 402 if (nv_connector->aux.transfer) { 403 drm_dp_cec_unregister_connector(&nv_connector->aux); 404 kfree(nv_connector->aux.name); 405 } 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_encoder *nv_encoder = NULL, *found = NULL; 415 struct drm_encoder *encoder; 416 int ret; 417 bool switcheroo_ddc = false; 418 419 drm_connector_for_each_possible_encoder(connector, encoder) { 420 nv_encoder = nouveau_encoder(encoder); 421 422 switch (nv_encoder->dcb->type) { 423 case DCB_OUTPUT_DP: 424 ret = nouveau_dp_detect(nouveau_connector(connector), 425 nv_encoder); 426 if (ret == NOUVEAU_DP_MST) 427 return NULL; 428 else if (ret == NOUVEAU_DP_SST) 429 found = nv_encoder; 430 431 break; 432 case DCB_OUTPUT_LVDS: 433 switcheroo_ddc = !!(vga_switcheroo_handler_flags() & 434 VGA_SWITCHEROO_CAN_SWITCH_DDC); 435 fallthrough; 436 default: 437 if (!nv_encoder->i2c) 438 break; 439 440 if (switcheroo_ddc) 441 vga_switcheroo_lock_ddc(pdev); 442 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 443 found = nv_encoder; 444 if (switcheroo_ddc) 445 vga_switcheroo_unlock_ddc(pdev); 446 447 break; 448 } 449 if (found) 450 break; 451 } 452 453 return found; 454 } 455 456 static struct nouveau_encoder * 457 nouveau_connector_of_detect(struct drm_connector *connector) 458 { 459 #ifdef __powerpc__ 460 struct drm_device *dev = connector->dev; 461 struct nouveau_connector *nv_connector = nouveau_connector(connector); 462 struct nouveau_encoder *nv_encoder; 463 struct pci_dev *pdev = to_pci_dev(dev->dev); 464 struct device_node *cn, *dn = pci_device_to_OF_node(pdev); 465 466 if (!dn || 467 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 468 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 469 return NULL; 470 471 for_each_child_of_node(dn, cn) { 472 const char *name = of_get_property(cn, "name", NULL); 473 const void *edid = of_get_property(cn, "EDID", NULL); 474 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 475 476 if (nv_encoder->dcb->i2c_index == idx && edid) { 477 nv_connector->edid = 478 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 479 of_node_put(cn); 480 return nv_encoder; 481 } 482 } 483 #endif 484 return NULL; 485 } 486 487 static void 488 nouveau_connector_set_encoder(struct drm_connector *connector, 489 struct nouveau_encoder *nv_encoder) 490 { 491 struct nouveau_connector *nv_connector = nouveau_connector(connector); 492 struct nouveau_drm *drm = nouveau_drm(connector->dev); 493 struct drm_device *dev = connector->dev; 494 struct pci_dev *pdev = to_pci_dev(dev->dev); 495 496 if (nv_connector->detected_encoder == nv_encoder) 497 return; 498 nv_connector->detected_encoder = nv_encoder; 499 500 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 501 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) 502 connector->interlace_allowed = 503 nv_encoder->caps.dp_interlace; 504 else 505 connector->interlace_allowed = true; 506 connector->doublescan_allowed = true; 507 } else 508 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 509 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 510 connector->doublescan_allowed = false; 511 connector->interlace_allowed = false; 512 } else { 513 connector->doublescan_allowed = true; 514 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN || 515 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 516 (pdev->device & 0x0ff0) != 0x0100 && 517 (pdev->device & 0x0ff0) != 0x0150)) 518 /* HW is broken */ 519 connector->interlace_allowed = false; 520 else 521 connector->interlace_allowed = true; 522 } 523 524 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 525 drm_object_property_set_value(&connector->base, 526 dev->mode_config.dvi_i_subconnector_property, 527 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 528 DRM_MODE_SUBCONNECTOR_DVID : 529 DRM_MODE_SUBCONNECTOR_DVIA); 530 } 531 } 532 533 static void 534 nouveau_connector_set_edid(struct nouveau_connector *nv_connector, 535 struct edid *edid) 536 { 537 if (nv_connector->edid != edid) { 538 struct edid *old_edid = nv_connector->edid; 539 540 drm_connector_update_edid_property(&nv_connector->base, edid); 541 kfree(old_edid); 542 nv_connector->edid = edid; 543 } 544 } 545 546 static enum drm_connector_status 547 nouveau_connector_detect(struct drm_connector *connector, bool force) 548 { 549 struct drm_device *dev = connector->dev; 550 struct nouveau_drm *drm = nouveau_drm(dev); 551 struct nouveau_connector *nv_connector = nouveau_connector(connector); 552 struct nouveau_encoder *nv_encoder = NULL; 553 struct nouveau_encoder *nv_partner; 554 struct i2c_adapter *i2c; 555 int type; 556 int ret; 557 enum drm_connector_status conn_status = connector_status_disconnected; 558 559 /* Outputs are only polled while runtime active, so resuming the 560 * device here is unnecessary (and would deadlock upon runtime suspend 561 * because it waits for polling to finish). We do however, want to 562 * prevent the autosuspend timer from elapsing during this operation 563 * if possible. 564 */ 565 if (drm_kms_helper_is_poll_worker()) { 566 pm_runtime_get_noresume(dev->dev); 567 } else { 568 ret = pm_runtime_get_sync(dev->dev); 569 if (ret < 0 && ret != -EACCES) { 570 pm_runtime_put_autosuspend(dev->dev); 571 nouveau_connector_set_edid(nv_connector, NULL); 572 return conn_status; 573 } 574 } 575 576 nv_encoder = nouveau_connector_ddc_detect(connector); 577 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 578 struct edid *new_edid; 579 580 if ((vga_switcheroo_handler_flags() & 581 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 582 nv_connector->type == DCB_CONNECTOR_LVDS) 583 new_edid = drm_get_edid_switcheroo(connector, i2c); 584 else 585 new_edid = drm_get_edid(connector, i2c); 586 587 nouveau_connector_set_edid(nv_connector, new_edid); 588 if (!nv_connector->edid) { 589 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 590 connector->name); 591 goto detect_analog; 592 } 593 594 /* Override encoder type for DVI-I based on whether EDID 595 * says the display is digital or analog, both use the 596 * same i2c channel so the value returned from ddc_detect 597 * isn't necessarily correct. 598 */ 599 nv_partner = NULL; 600 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 601 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 602 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 603 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 604 605 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 606 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 607 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 608 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 609 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 610 type = DCB_OUTPUT_TMDS; 611 else 612 type = DCB_OUTPUT_ANALOG; 613 614 nv_encoder = find_encoder(connector, type); 615 } 616 617 nouveau_connector_set_encoder(connector, nv_encoder); 618 conn_status = connector_status_connected; 619 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); 620 goto out; 621 } else { 622 nouveau_connector_set_edid(nv_connector, NULL); 623 } 624 625 nv_encoder = nouveau_connector_of_detect(connector); 626 if (nv_encoder) { 627 nouveau_connector_set_encoder(connector, nv_encoder); 628 conn_status = connector_status_connected; 629 goto out; 630 } 631 632 detect_analog: 633 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 634 if (!nv_encoder && !nouveau_tv_disable) 635 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 636 if (nv_encoder && force) { 637 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 638 const struct drm_encoder_helper_funcs *helper = 639 encoder->helper_private; 640 641 if (helper->detect(encoder, connector) == 642 connector_status_connected) { 643 nouveau_connector_set_encoder(connector, nv_encoder); 644 conn_status = connector_status_connected; 645 goto out; 646 } 647 } 648 649 out: 650 if (!nv_connector->edid) 651 drm_dp_cec_unset_edid(&nv_connector->aux); 652 653 pm_runtime_mark_last_busy(dev->dev); 654 pm_runtime_put_autosuspend(dev->dev); 655 656 return conn_status; 657 } 658 659 static enum drm_connector_status 660 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 661 { 662 struct drm_device *dev = connector->dev; 663 struct nouveau_drm *drm = nouveau_drm(dev); 664 struct nouveau_connector *nv_connector = nouveau_connector(connector); 665 struct nouveau_encoder *nv_encoder = NULL; 666 struct edid *edid = NULL; 667 enum drm_connector_status status = connector_status_disconnected; 668 669 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 670 if (!nv_encoder) 671 goto out; 672 673 /* Try retrieving EDID via DDC */ 674 if (!drm->vbios.fp_no_ddc) { 675 status = nouveau_connector_detect(connector, force); 676 if (status == connector_status_connected) { 677 edid = nv_connector->edid; 678 goto out; 679 } 680 } 681 682 /* On some laptops (Sony, i'm looking at you) there appears to 683 * be no direct way of accessing the panel's EDID. The only 684 * option available to us appears to be to ask ACPI for help.. 685 * 686 * It's important this check's before trying straps, one of the 687 * said manufacturer's laptops are configured in such a way 688 * the nouveau decides an entry in the VBIOS FP mode table is 689 * valid - it's not (rh#613284) 690 */ 691 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 692 edid = nouveau_acpi_edid(dev, connector); 693 if (edid) { 694 status = connector_status_connected; 695 goto out; 696 } 697 } 698 699 /* If no EDID found above, and the VBIOS indicates a hardcoded 700 * modeline is avalilable for the panel, set it as the panel's 701 * native mode and exit. 702 */ 703 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 704 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 705 status = connector_status_connected; 706 goto out; 707 } 708 709 /* Still nothing, some VBIOS images have a hardcoded EDID block 710 * stored for the panel stored in them. 711 */ 712 if (!drm->vbios.fp_no_ddc) { 713 edid = (struct edid *)nouveau_bios_embedded_edid(dev); 714 if (edid) { 715 edid = kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 716 if (edid) 717 status = connector_status_connected; 718 } 719 } 720 721 out: 722 #if defined(CONFIG_ACPI_BUTTON) || \ 723 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 724 if (status == connector_status_connected && 725 !nouveau_ignorelid && !acpi_lid_open()) 726 status = connector_status_unknown; 727 #endif 728 729 nouveau_connector_set_edid(nv_connector, edid); 730 nouveau_connector_set_encoder(connector, nv_encoder); 731 return status; 732 } 733 734 static void 735 nouveau_connector_force(struct drm_connector *connector) 736 { 737 struct nouveau_drm *drm = nouveau_drm(connector->dev); 738 struct nouveau_connector *nv_connector = nouveau_connector(connector); 739 struct nouveau_encoder *nv_encoder; 740 int type; 741 742 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 743 if (connector->force == DRM_FORCE_ON_DIGITAL) 744 type = DCB_OUTPUT_TMDS; 745 else 746 type = DCB_OUTPUT_ANALOG; 747 } else 748 type = DCB_OUTPUT_ANY; 749 750 nv_encoder = find_encoder(connector, type); 751 if (!nv_encoder) { 752 NV_ERROR(drm, "can't find encoder to force %s on!\n", 753 connector->name); 754 connector->status = connector_status_disconnected; 755 return; 756 } 757 758 nouveau_connector_set_encoder(connector, nv_encoder); 759 } 760 761 static int 762 nouveau_connector_set_property(struct drm_connector *connector, 763 struct drm_property *property, uint64_t value) 764 { 765 struct nouveau_connector *nv_connector = nouveau_connector(connector); 766 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 767 struct nouveau_conn_atom *asyc = &nv_connector->properties_state; 768 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 769 int ret; 770 771 ret = connector->funcs->atomic_set_property(&nv_connector->base, 772 &asyc->state, 773 property, value); 774 if (ret) { 775 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 776 return get_slave_funcs(encoder)->set_property( 777 encoder, connector, property, value); 778 return ret; 779 } 780 781 nv_connector->scaling_mode = asyc->scaler.mode; 782 nv_connector->dithering_mode = asyc->dither.mode; 783 784 if (connector->encoder && connector->encoder->crtc) { 785 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 786 &connector->encoder->crtc->mode, 787 connector->encoder->crtc->x, 788 connector->encoder->crtc->y, 789 NULL); 790 if (!ret) 791 return -EINVAL; 792 } 793 794 return 0; 795 } 796 797 struct moderec { 798 int hdisplay; 799 int vdisplay; 800 }; 801 802 static struct moderec scaler_modes[] = { 803 { 1920, 1200 }, 804 { 1920, 1080 }, 805 { 1680, 1050 }, 806 { 1600, 1200 }, 807 { 1400, 1050 }, 808 { 1280, 1024 }, 809 { 1280, 960 }, 810 { 1152, 864 }, 811 { 1024, 768 }, 812 { 800, 600 }, 813 { 720, 400 }, 814 { 640, 480 }, 815 { 640, 400 }, 816 { 640, 350 }, 817 {} 818 }; 819 820 static int 821 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 822 { 823 struct nouveau_connector *nv_connector = nouveau_connector(connector); 824 struct drm_display_mode *native = nv_connector->native_mode, *m; 825 struct drm_device *dev = connector->dev; 826 struct moderec *mode = &scaler_modes[0]; 827 int modes = 0; 828 829 if (!native) 830 return 0; 831 832 while (mode->hdisplay) { 833 if (mode->hdisplay <= native->hdisplay && 834 mode->vdisplay <= native->vdisplay && 835 (mode->hdisplay != native->hdisplay || 836 mode->vdisplay != native->vdisplay)) { 837 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 838 drm_mode_vrefresh(native), false, 839 false, false); 840 if (!m) 841 continue; 842 843 drm_mode_probed_add(connector, m); 844 modes++; 845 } 846 847 mode++; 848 } 849 850 return modes; 851 } 852 853 static void 854 nouveau_connector_detect_depth(struct drm_connector *connector) 855 { 856 struct nouveau_drm *drm = nouveau_drm(connector->dev); 857 struct nouveau_connector *nv_connector = nouveau_connector(connector); 858 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 859 struct nvbios *bios = &drm->vbios; 860 struct drm_display_mode *mode = nv_connector->native_mode; 861 bool duallink; 862 863 /* if the edid is feeling nice enough to provide this info, use it */ 864 if (nv_connector->edid && connector->display_info.bpc) 865 return; 866 867 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 868 if (nv_connector->type == DCB_CONNECTOR_eDP) { 869 connector->display_info.bpc = 6; 870 return; 871 } 872 873 /* we're out of options unless we're LVDS, default to 8bpc */ 874 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 875 connector->display_info.bpc = 8; 876 return; 877 } 878 879 connector->display_info.bpc = 6; 880 881 /* LVDS: panel straps */ 882 if (bios->fp_no_ddc) { 883 if (bios->fp.if_is_24bit) 884 connector->display_info.bpc = 8; 885 return; 886 } 887 888 /* LVDS: DDC panel, need to first determine the number of links to 889 * know which if_is_24bit flag to check... 890 */ 891 if (nv_connector->edid && 892 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 893 duallink = ((u8 *)nv_connector->edid)[121] == 2; 894 else 895 duallink = mode->clock >= bios->fp.duallink_transition_clk; 896 897 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 898 ( duallink && (bios->fp.strapless_is_24bit & 2))) 899 connector->display_info.bpc = 8; 900 } 901 902 static int 903 nouveau_connector_late_register(struct drm_connector *connector) 904 { 905 int ret; 906 907 ret = nouveau_backlight_init(connector); 908 if (ret) 909 return ret; 910 911 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 912 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { 913 ret = drm_dp_aux_register(&nouveau_connector(connector)->aux); 914 if (ret) 915 goto backlight_fini; 916 } 917 918 return 0; 919 backlight_fini: 920 nouveau_backlight_fini(connector); 921 return ret; 922 } 923 924 static void 925 nouveau_connector_early_unregister(struct drm_connector *connector) 926 { 927 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 928 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) 929 drm_dp_aux_unregister(&nouveau_connector(connector)->aux); 930 931 nouveau_backlight_fini(connector); 932 } 933 934 static int 935 nouveau_connector_get_modes(struct drm_connector *connector) 936 { 937 struct drm_device *dev = connector->dev; 938 struct nouveau_drm *drm = nouveau_drm(dev); 939 struct nouveau_connector *nv_connector = nouveau_connector(connector); 940 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 941 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 942 int ret = 0; 943 944 /* destroy the native mode, the attached monitor could have changed. 945 */ 946 if (nv_connector->native_mode) { 947 drm_mode_destroy(dev, nv_connector->native_mode); 948 nv_connector->native_mode = NULL; 949 } 950 951 if (nv_connector->edid) 952 ret = drm_add_edid_modes(connector, nv_connector->edid); 953 else 954 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 955 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 956 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 957 struct drm_display_mode mode; 958 959 nouveau_bios_fp_mode(dev, &mode); 960 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 961 } 962 963 /* Determine display colour depth for everything except LVDS now, 964 * DP requires this before mode_valid() is called. 965 */ 966 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 967 nouveau_connector_detect_depth(connector); 968 969 /* Find the native mode if this is a digital panel, if we didn't 970 * find any modes through DDC previously add the native mode to 971 * the list of modes. 972 */ 973 if (!nv_connector->native_mode) 974 nv_connector->native_mode = nouveau_conn_native_mode(connector); 975 if (ret == 0 && nv_connector->native_mode) { 976 struct drm_display_mode *mode; 977 978 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 979 drm_mode_probed_add(connector, mode); 980 ret = 1; 981 } 982 983 /* Determine LVDS colour depth, must happen after determining 984 * "native" mode as some VBIOS tables require us to use the 985 * pixel clock as part of the lookup... 986 */ 987 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 988 nouveau_connector_detect_depth(connector); 989 990 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 991 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 992 993 if (nv_connector->type == DCB_CONNECTOR_LVDS || 994 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 995 nv_connector->type == DCB_CONNECTOR_eDP) 996 ret += nouveau_connector_scaler_modes_add(connector); 997 998 return ret; 999 } 1000 1001 static unsigned 1002 get_tmds_link_bandwidth(struct drm_connector *connector) 1003 { 1004 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1005 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1006 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1007 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 1008 struct drm_display_info *info = NULL; 1009 unsigned duallink_scale = 1010 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1; 1011 1012 if (drm_detect_hdmi_monitor(nv_connector->edid)) { 1013 info = &nv_connector->base.display_info; 1014 duallink_scale = 1; 1015 } 1016 1017 if (info) { 1018 if (nouveau_hdmimhz > 0) 1019 return nouveau_hdmimhz * 1000; 1020 /* Note: these limits are conservative, some Fermi's 1021 * can do 297 MHz. Unclear how this can be determined. 1022 */ 1023 if (drm->client.device.info.chipset >= 0x120) { 1024 const int max_tmds_clock = 1025 info->hdmi.scdc.scrambling.supported ? 1026 594000 : 340000; 1027 return info->max_tmds_clock ? 1028 min(info->max_tmds_clock, max_tmds_clock) : 1029 max_tmds_clock; 1030 } 1031 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 1032 return 297000; 1033 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 1034 return 225000; 1035 } 1036 1037 if (dcb->location != DCB_LOC_ON_CHIP || 1038 drm->client.device.info.chipset >= 0x46) 1039 return 165000 * duallink_scale; 1040 else if (drm->client.device.info.chipset >= 0x40) 1041 return 155000 * duallink_scale; 1042 else if (drm->client.device.info.chipset >= 0x18) 1043 return 135000 * duallink_scale; 1044 else 1045 return 112000 * duallink_scale; 1046 } 1047 1048 static enum drm_mode_status 1049 nouveau_connector_mode_valid(struct drm_connector *connector, 1050 struct drm_display_mode *mode) 1051 { 1052 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1053 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1054 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1055 unsigned int min_clock = 25000, max_clock = min_clock, clock = mode->clock; 1056 1057 switch (nv_encoder->dcb->type) { 1058 case DCB_OUTPUT_LVDS: 1059 if (nv_connector->native_mode && 1060 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1061 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1062 return MODE_PANEL; 1063 1064 min_clock = 0; 1065 max_clock = 400000; 1066 break; 1067 case DCB_OUTPUT_TMDS: 1068 max_clock = get_tmds_link_bandwidth(connector); 1069 break; 1070 case DCB_OUTPUT_ANALOG: 1071 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1072 if (!max_clock) 1073 max_clock = 350000; 1074 break; 1075 case DCB_OUTPUT_TV: 1076 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1077 case DCB_OUTPUT_DP: 1078 return nv50_dp_mode_valid(connector, nv_encoder, mode, NULL); 1079 default: 1080 BUG(); 1081 return MODE_BAD; 1082 } 1083 1084 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1085 clock *= 2; 1086 1087 if (clock < min_clock) 1088 return MODE_CLOCK_LOW; 1089 if (clock > max_clock) 1090 return MODE_CLOCK_HIGH; 1091 1092 return MODE_OK; 1093 } 1094 1095 static struct drm_encoder * 1096 nouveau_connector_best_encoder(struct drm_connector *connector) 1097 { 1098 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1099 1100 if (nv_connector->detected_encoder) 1101 return to_drm_encoder(nv_connector->detected_encoder); 1102 1103 return NULL; 1104 } 1105 1106 static const struct drm_connector_helper_funcs 1107 nouveau_connector_helper_funcs = { 1108 .get_modes = nouveau_connector_get_modes, 1109 .mode_valid = nouveau_connector_mode_valid, 1110 .best_encoder = nouveau_connector_best_encoder, 1111 }; 1112 1113 static const struct drm_connector_funcs 1114 nouveau_connector_funcs = { 1115 .dpms = drm_helper_connector_dpms, 1116 .reset = nouveau_conn_reset, 1117 .detect = nouveau_connector_detect, 1118 .force = nouveau_connector_force, 1119 .fill_modes = drm_helper_probe_single_connector_modes, 1120 .set_property = nouveau_connector_set_property, 1121 .destroy = nouveau_connector_destroy, 1122 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1123 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1124 .atomic_set_property = nouveau_conn_atomic_set_property, 1125 .atomic_get_property = nouveau_conn_atomic_get_property, 1126 .late_register = nouveau_connector_late_register, 1127 .early_unregister = nouveau_connector_early_unregister, 1128 }; 1129 1130 static const struct drm_connector_funcs 1131 nouveau_connector_funcs_lvds = { 1132 .dpms = drm_helper_connector_dpms, 1133 .reset = nouveau_conn_reset, 1134 .detect = nouveau_connector_detect_lvds, 1135 .force = nouveau_connector_force, 1136 .fill_modes = drm_helper_probe_single_connector_modes, 1137 .set_property = nouveau_connector_set_property, 1138 .destroy = nouveau_connector_destroy, 1139 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1140 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1141 .atomic_set_property = nouveau_conn_atomic_set_property, 1142 .atomic_get_property = nouveau_conn_atomic_get_property, 1143 .late_register = nouveau_connector_late_register, 1144 .early_unregister = nouveau_connector_early_unregister, 1145 }; 1146 1147 void 1148 nouveau_connector_hpd(struct drm_connector *connector) 1149 { 1150 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1151 u32 mask = drm_connector_mask(connector); 1152 1153 mutex_lock(&drm->hpd_lock); 1154 if (!(drm->hpd_pending & mask)) { 1155 drm->hpd_pending |= mask; 1156 schedule_work(&drm->hpd_work); 1157 } 1158 mutex_unlock(&drm->hpd_lock); 1159 } 1160 1161 static int 1162 nouveau_connector_hotplug(struct nvif_notify *notify) 1163 { 1164 struct nouveau_connector *nv_connector = 1165 container_of(notify, typeof(*nv_connector), hpd); 1166 struct drm_connector *connector = &nv_connector->base; 1167 struct drm_device *dev = connector->dev; 1168 struct nouveau_drm *drm = nouveau_drm(dev); 1169 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1170 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1171 1172 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1173 nouveau_dp_irq(drm, nv_connector); 1174 return NVIF_NOTIFY_KEEP; 1175 } 1176 1177 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", connector->name); 1178 nouveau_connector_hpd(connector); 1179 1180 return NVIF_NOTIFY_KEEP; 1181 } 1182 1183 static ssize_t 1184 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1185 { 1186 struct nouveau_connector *nv_connector = 1187 container_of(obj, typeof(*nv_connector), aux); 1188 struct nouveau_encoder *nv_encoder; 1189 struct nvkm_i2c_aux *aux; 1190 u8 size = msg->size; 1191 int ret; 1192 1193 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1194 if (!nv_encoder || !(aux = nv_encoder->aux)) 1195 return -ENODEV; 1196 if (WARN_ON(msg->size > 16)) 1197 return -E2BIG; 1198 1199 ret = nvkm_i2c_aux_acquire(aux); 1200 if (ret) 1201 return ret; 1202 1203 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1204 msg->buffer, &size); 1205 nvkm_i2c_aux_release(aux); 1206 if (ret >= 0) { 1207 msg->reply = ret; 1208 return size; 1209 } 1210 1211 return ret; 1212 } 1213 1214 static int 1215 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1216 { 1217 switch (dcb) { 1218 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1219 case DCB_CONNECTOR_TV_0 : 1220 case DCB_CONNECTOR_TV_1 : 1221 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1222 case DCB_CONNECTOR_DMS59_0 : 1223 case DCB_CONNECTOR_DMS59_1 : 1224 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1225 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1226 case DCB_CONNECTOR_LVDS : 1227 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1228 case DCB_CONNECTOR_DMS59_DP0: 1229 case DCB_CONNECTOR_DMS59_DP1: 1230 case DCB_CONNECTOR_DP : 1231 case DCB_CONNECTOR_mDP : 1232 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort; 1233 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1234 case DCB_CONNECTOR_HDMI_0 : 1235 case DCB_CONNECTOR_HDMI_1 : 1236 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1237 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1238 default: 1239 break; 1240 } 1241 1242 return DRM_MODE_CONNECTOR_Unknown; 1243 } 1244 1245 struct drm_connector * 1246 nouveau_connector_create(struct drm_device *dev, 1247 const struct dcb_output *dcbe) 1248 { 1249 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1250 struct nouveau_drm *drm = nouveau_drm(dev); 1251 struct nouveau_display *disp = nouveau_display(dev); 1252 struct nouveau_connector *nv_connector = NULL; 1253 struct drm_connector *connector; 1254 struct drm_connector_list_iter conn_iter; 1255 char aux_name[48] = {0}; 1256 int index = dcbe->connector; 1257 int type, ret = 0; 1258 bool dummy; 1259 1260 drm_connector_list_iter_begin(dev, &conn_iter); 1261 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1262 nv_connector = nouveau_connector(connector); 1263 if (nv_connector->index == index) { 1264 drm_connector_list_iter_end(&conn_iter); 1265 return connector; 1266 } 1267 } 1268 drm_connector_list_iter_end(&conn_iter); 1269 1270 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1271 if (!nv_connector) 1272 return ERR_PTR(-ENOMEM); 1273 1274 connector = &nv_connector->base; 1275 nv_connector->index = index; 1276 1277 /* attempt to parse vbios connector type and hotplug gpio */ 1278 nv_connector->dcb = olddcb_conn(dev, index); 1279 if (nv_connector->dcb) { 1280 u32 entry = ROM16(nv_connector->dcb[0]); 1281 if (olddcb_conntab(dev)[3] >= 4) 1282 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1283 1284 nv_connector->type = nv_connector->dcb[0]; 1285 if (drm_conntype_from_dcb(nv_connector->type) == 1286 DRM_MODE_CONNECTOR_Unknown) { 1287 NV_WARN(drm, "unknown connector type %02x\n", 1288 nv_connector->type); 1289 nv_connector->type = DCB_CONNECTOR_NONE; 1290 } 1291 1292 /* Gigabyte NX85T */ 1293 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1294 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1295 nv_connector->type = DCB_CONNECTOR_DVI_I; 1296 } 1297 1298 /* Gigabyte GV-NX86T512H */ 1299 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1300 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1301 nv_connector->type = DCB_CONNECTOR_DVI_I; 1302 } 1303 } else { 1304 nv_connector->type = DCB_CONNECTOR_NONE; 1305 } 1306 1307 /* no vbios data, or an unknown dcb connector type - attempt to 1308 * figure out something suitable ourselves 1309 */ 1310 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1311 struct nouveau_drm *drm = nouveau_drm(dev); 1312 struct dcb_table *dcbt = &drm->vbios.dcb; 1313 u32 encoders = 0; 1314 int i; 1315 1316 for (i = 0; i < dcbt->entries; i++) { 1317 if (dcbt->entry[i].connector == nv_connector->index) 1318 encoders |= (1 << dcbt->entry[i].type); 1319 } 1320 1321 if (encoders & (1 << DCB_OUTPUT_DP)) { 1322 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1323 nv_connector->type = DCB_CONNECTOR_DP; 1324 else 1325 nv_connector->type = DCB_CONNECTOR_eDP; 1326 } else 1327 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1328 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1329 nv_connector->type = DCB_CONNECTOR_DVI_I; 1330 else 1331 nv_connector->type = DCB_CONNECTOR_DVI_D; 1332 } else 1333 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1334 nv_connector->type = DCB_CONNECTOR_VGA; 1335 } else 1336 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1337 nv_connector->type = DCB_CONNECTOR_LVDS; 1338 } else 1339 if (encoders & (1 << DCB_OUTPUT_TV)) { 1340 nv_connector->type = DCB_CONNECTOR_TV_0; 1341 } 1342 } 1343 1344 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1345 case DRM_MODE_CONNECTOR_LVDS: 1346 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1347 if (ret) { 1348 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1349 kfree(nv_connector); 1350 return ERR_PTR(ret); 1351 } 1352 1353 funcs = &nouveau_connector_funcs_lvds; 1354 break; 1355 case DRM_MODE_CONNECTOR_DisplayPort: 1356 case DRM_MODE_CONNECTOR_eDP: 1357 nv_connector->aux.dev = connector->kdev; 1358 nv_connector->aux.drm_dev = dev; 1359 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1360 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x", 1361 dcbe->hasht, dcbe->hashm); 1362 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL); 1363 drm_dp_aux_init(&nv_connector->aux); 1364 if (ret) { 1365 NV_ERROR(drm, "Failed to init AUX adapter for sor-%04x-%04x: %d\n", 1366 dcbe->hasht, dcbe->hashm, ret); 1367 kfree(nv_connector); 1368 return ERR_PTR(ret); 1369 } 1370 fallthrough; 1371 default: 1372 funcs = &nouveau_connector_funcs; 1373 break; 1374 } 1375 1376 /* HDMI 3D support */ 1377 if ((disp->disp.object.oclass >= G82_DISP) 1378 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1379 || (type == DRM_MODE_CONNECTOR_eDP) 1380 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1381 connector->stereo_allowed = true; 1382 1383 /* defaults, will get overridden in detect() */ 1384 connector->interlace_allowed = false; 1385 connector->doublescan_allowed = false; 1386 1387 drm_connector_init(dev, connector, funcs, type); 1388 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1389 1390 connector->funcs->reset(connector); 1391 nouveau_conn_attach_properties(connector); 1392 1393 /* Default scaling mode */ 1394 switch (nv_connector->type) { 1395 case DCB_CONNECTOR_LVDS: 1396 case DCB_CONNECTOR_LVDS_SPWG: 1397 case DCB_CONNECTOR_eDP: 1398 /* see note in nouveau_connector_set_property() */ 1399 if (disp->disp.object.oclass < NV50_DISP) { 1400 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1401 break; 1402 } 1403 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1404 break; 1405 default: 1406 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1407 break; 1408 } 1409 1410 /* dithering properties */ 1411 switch (nv_connector->type) { 1412 case DCB_CONNECTOR_TV_0: 1413 case DCB_CONNECTOR_TV_1: 1414 case DCB_CONNECTOR_TV_3: 1415 case DCB_CONNECTOR_VGA: 1416 break; 1417 default: 1418 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1419 break; 1420 } 1421 1422 switch (type) { 1423 case DRM_MODE_CONNECTOR_DisplayPort: 1424 case DRM_MODE_CONNECTOR_eDP: 1425 drm_dp_cec_register_connector(&nv_connector->aux, connector); 1426 break; 1427 } 1428 1429 ret = nvif_notify_ctor(&disp->disp.object, "kmsHotplug", 1430 nouveau_connector_hotplug, 1431 true, NV04_DISP_NTFY_CONN, 1432 &(struct nvif_notify_conn_req_v0) { 1433 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1434 .conn = index, 1435 }, 1436 sizeof(struct nvif_notify_conn_req_v0), 1437 sizeof(struct nvif_notify_conn_rep_v0), 1438 &nv_connector->hpd); 1439 if (ret) 1440 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1441 else 1442 connector->polled = DRM_CONNECTOR_POLL_HPD; 1443 1444 drm_connector_register(connector); 1445 return connector; 1446 } 1447