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/drmP.h> 33 #include <drm/drm_atomic_helper.h> 34 #include <drm/drm_edid.h> 35 #include <drm/drm_crtc_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 "nouveau_acpi.h" 42 43 #include "nouveau_display.h" 44 #include "nouveau_connector.h" 45 #include "nouveau_encoder.h" 46 #include "nouveau_crtc.h" 47 48 #include <nvif/class.h> 49 #include <nvif/cl0046.h> 50 #include <nvif/event.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 mode->vrefresh = drm_mode_vrefresh(mode); 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 mode->vrefresh < high_v) 84 continue; 85 86 high_w = mode->hdisplay; 87 high_h = mode->vdisplay; 88 high_v = mode->vrefresh; 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_conn_atom *asyc; 249 250 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL)))) 251 return; 252 253 if (connector->state) 254 __drm_atomic_helper_connector_destroy_state(connector->state); 255 __drm_atomic_helper_connector_reset(connector, &asyc->state); 256 asyc->dither.mode = DITHERING_MODE_AUTO; 257 asyc->dither.depth = DITHERING_DEPTH_AUTO; 258 asyc->scaler.mode = DRM_MODE_SCALE_NONE; 259 asyc->scaler.underscan.mode = UNDERSCAN_OFF; 260 asyc->procamp.color_vibrance = 150; 261 asyc->procamp.vibrant_hue = 90; 262 263 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) { 264 switch (connector->connector_type) { 265 case DRM_MODE_CONNECTOR_LVDS: 266 /* See note in nouveau_conn_atomic_set_property(). */ 267 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN; 268 break; 269 default: 270 break; 271 } 272 } 273 } 274 275 void 276 nouveau_conn_attach_properties(struct drm_connector *connector) 277 { 278 struct drm_device *dev = connector->dev; 279 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state); 280 struct nouveau_display *disp = nouveau_display(dev); 281 282 /* Init DVI-I specific properties. */ 283 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) 284 drm_object_attach_property(&connector->base, dev->mode_config. 285 dvi_i_subconnector_property, 0); 286 287 /* Add overscan compensation options to digital outputs. */ 288 if (disp->underscan_property && 289 (connector->connector_type == DRM_MODE_CONNECTOR_DVID || 290 connector->connector_type == DRM_MODE_CONNECTOR_DVII || 291 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 292 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) { 293 drm_object_attach_property(&connector->base, 294 disp->underscan_property, 295 UNDERSCAN_OFF); 296 drm_object_attach_property(&connector->base, 297 disp->underscan_hborder_property, 0); 298 drm_object_attach_property(&connector->base, 299 disp->underscan_vborder_property, 0); 300 } 301 302 /* Add hue and saturation options. */ 303 if (disp->vibrant_hue_property) 304 drm_object_attach_property(&connector->base, 305 disp->vibrant_hue_property, 306 armc->procamp.vibrant_hue); 307 if (disp->color_vibrance_property) 308 drm_object_attach_property(&connector->base, 309 disp->color_vibrance_property, 310 armc->procamp.color_vibrance); 311 312 /* Scaling mode property. */ 313 switch (connector->connector_type) { 314 case DRM_MODE_CONNECTOR_TV: 315 break; 316 case DRM_MODE_CONNECTOR_VGA: 317 if (disp->disp.object.oclass < NV50_DISP) 318 break; /* Can only scale on DFPs. */ 319 /* Fall-through. */ 320 default: 321 drm_object_attach_property(&connector->base, dev->mode_config. 322 scaling_mode_property, 323 armc->scaler.mode); 324 break; 325 } 326 327 /* Dithering properties. */ 328 switch (connector->connector_type) { 329 case DRM_MODE_CONNECTOR_TV: 330 case DRM_MODE_CONNECTOR_VGA: 331 break; 332 default: 333 if (disp->dithering_mode) { 334 drm_object_attach_property(&connector->base, 335 disp->dithering_mode, 336 armc->dither.mode); 337 } 338 if (disp->dithering_depth) { 339 drm_object_attach_property(&connector->base, 340 disp->dithering_depth, 341 armc->dither.depth); 342 } 343 break; 344 } 345 } 346 347 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); 348 int nouveau_tv_disable = 0; 349 module_param_named(tv_disable, nouveau_tv_disable, int, 0400); 350 351 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status"); 352 int nouveau_ignorelid = 0; 353 module_param_named(ignorelid, nouveau_ignorelid, int, 0400); 354 355 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); 356 int nouveau_duallink = 1; 357 module_param_named(duallink, nouveau_duallink, int, 0400); 358 359 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)"); 360 int nouveau_hdmimhz = 0; 361 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400); 362 363 struct nouveau_encoder * 364 find_encoder(struct drm_connector *connector, int type) 365 { 366 struct nouveau_encoder *nv_encoder; 367 struct drm_encoder *enc; 368 int i; 369 370 drm_connector_for_each_possible_encoder(connector, enc, i) { 371 nv_encoder = nouveau_encoder(enc); 372 373 if (type == DCB_OUTPUT_ANY || 374 (nv_encoder->dcb && nv_encoder->dcb->type == type)) 375 return nv_encoder; 376 } 377 378 return NULL; 379 } 380 381 struct nouveau_connector * 382 nouveau_encoder_connector_get(struct nouveau_encoder *encoder) 383 { 384 struct drm_device *dev = to_drm_encoder(encoder)->dev; 385 struct drm_connector *drm_connector; 386 387 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { 388 if (drm_connector->encoder == to_drm_encoder(encoder)) 389 return nouveau_connector(drm_connector); 390 } 391 392 return NULL; 393 } 394 395 static void 396 nouveau_connector_destroy(struct drm_connector *connector) 397 { 398 struct nouveau_connector *nv_connector = nouveau_connector(connector); 399 nvif_notify_fini(&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 drm_dp_aux_unregister(&nv_connector->aux); 406 kfree(nv_connector->aux.name); 407 } 408 kfree(connector); 409 } 410 411 static struct nouveau_encoder * 412 nouveau_connector_ddc_detect(struct drm_connector *connector) 413 { 414 struct drm_device *dev = connector->dev; 415 struct nouveau_encoder *nv_encoder = NULL, *found = NULL; 416 struct drm_encoder *encoder; 417 int i, ret; 418 bool switcheroo_ddc = false; 419 420 drm_connector_for_each_possible_encoder(connector, encoder, i) { 421 nv_encoder = nouveau_encoder(encoder); 422 423 switch (nv_encoder->dcb->type) { 424 case DCB_OUTPUT_DP: 425 ret = nouveau_dp_detect(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 /* fall-through */ 436 default: 437 if (!nv_encoder->i2c) 438 break; 439 440 if (switcheroo_ddc) 441 vga_switcheroo_lock_ddc(dev->pdev); 442 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 443 found = nv_encoder; 444 if (switcheroo_ddc) 445 vga_switcheroo_unlock_ddc(dev->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 device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); 464 465 if (!dn || 466 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 467 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 468 return NULL; 469 470 for_each_child_of_node(dn, cn) { 471 const char *name = of_get_property(cn, "name", NULL); 472 const void *edid = of_get_property(cn, "EDID", NULL); 473 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 474 475 if (nv_encoder->dcb->i2c_index == idx && edid) { 476 nv_connector->edid = 477 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 478 of_node_put(cn); 479 return nv_encoder; 480 } 481 } 482 #endif 483 return NULL; 484 } 485 486 static void 487 nouveau_connector_set_encoder(struct drm_connector *connector, 488 struct nouveau_encoder *nv_encoder) 489 { 490 struct nouveau_connector *nv_connector = nouveau_connector(connector); 491 struct nouveau_drm *drm = nouveau_drm(connector->dev); 492 struct drm_device *dev = connector->dev; 493 494 if (nv_connector->detected_encoder == nv_encoder) 495 return; 496 nv_connector->detected_encoder = nv_encoder; 497 498 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 499 connector->interlace_allowed = true; 500 connector->doublescan_allowed = true; 501 } else 502 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 503 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 504 connector->doublescan_allowed = false; 505 connector->interlace_allowed = false; 506 } else { 507 connector->doublescan_allowed = true; 508 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN || 509 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 510 (dev->pdev->device & 0x0ff0) != 0x0100 && 511 (dev->pdev->device & 0x0ff0) != 0x0150)) 512 /* HW is broken */ 513 connector->interlace_allowed = false; 514 else 515 connector->interlace_allowed = true; 516 } 517 518 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 519 drm_object_property_set_value(&connector->base, 520 dev->mode_config.dvi_i_subconnector_property, 521 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 522 DRM_MODE_SUBCONNECTOR_DVID : 523 DRM_MODE_SUBCONNECTOR_DVIA); 524 } 525 } 526 527 static enum drm_connector_status 528 nouveau_connector_detect(struct drm_connector *connector, bool force) 529 { 530 struct drm_device *dev = connector->dev; 531 struct nouveau_drm *drm = nouveau_drm(dev); 532 struct nouveau_connector *nv_connector = nouveau_connector(connector); 533 struct nouveau_encoder *nv_encoder = NULL; 534 struct nouveau_encoder *nv_partner; 535 struct i2c_adapter *i2c; 536 int type; 537 int ret; 538 enum drm_connector_status conn_status = connector_status_disconnected; 539 540 /* Cleanup the previous EDID block. */ 541 if (nv_connector->edid) { 542 drm_connector_update_edid_property(connector, NULL); 543 kfree(nv_connector->edid); 544 nv_connector->edid = NULL; 545 } 546 547 /* Outputs are only polled while runtime active, so resuming the 548 * device here is unnecessary (and would deadlock upon runtime suspend 549 * because it waits for polling to finish). We do however, want to 550 * prevent the autosuspend timer from elapsing during this operation 551 * if possible. 552 */ 553 if (drm_kms_helper_is_poll_worker()) { 554 pm_runtime_get_noresume(dev->dev); 555 } else { 556 ret = pm_runtime_get_sync(dev->dev); 557 if (ret < 0 && ret != -EACCES) 558 return conn_status; 559 } 560 561 nv_encoder = nouveau_connector_ddc_detect(connector); 562 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 563 if ((vga_switcheroo_handler_flags() & 564 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 565 nv_connector->type == DCB_CONNECTOR_LVDS) 566 nv_connector->edid = drm_get_edid_switcheroo(connector, 567 i2c); 568 else 569 nv_connector->edid = drm_get_edid(connector, i2c); 570 571 drm_connector_update_edid_property(connector, 572 nv_connector->edid); 573 if (!nv_connector->edid) { 574 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 575 connector->name); 576 goto detect_analog; 577 } 578 579 /* Override encoder type for DVI-I based on whether EDID 580 * says the display is digital or analog, both use the 581 * same i2c channel so the value returned from ddc_detect 582 * isn't necessarily correct. 583 */ 584 nv_partner = NULL; 585 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 586 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 587 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 588 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 589 590 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 591 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 592 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 593 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 594 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 595 type = DCB_OUTPUT_TMDS; 596 else 597 type = DCB_OUTPUT_ANALOG; 598 599 nv_encoder = find_encoder(connector, type); 600 } 601 602 nouveau_connector_set_encoder(connector, nv_encoder); 603 conn_status = connector_status_connected; 604 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); 605 goto out; 606 } 607 608 nv_encoder = nouveau_connector_of_detect(connector); 609 if (nv_encoder) { 610 nouveau_connector_set_encoder(connector, nv_encoder); 611 conn_status = connector_status_connected; 612 goto out; 613 } 614 615 detect_analog: 616 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 617 if (!nv_encoder && !nouveau_tv_disable) 618 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 619 if (nv_encoder && force) { 620 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 621 const struct drm_encoder_helper_funcs *helper = 622 encoder->helper_private; 623 624 if (helper->detect(encoder, connector) == 625 connector_status_connected) { 626 nouveau_connector_set_encoder(connector, nv_encoder); 627 conn_status = connector_status_connected; 628 goto out; 629 } 630 631 } 632 633 out: 634 635 pm_runtime_mark_last_busy(dev->dev); 636 pm_runtime_put_autosuspend(dev->dev); 637 638 return conn_status; 639 } 640 641 static enum drm_connector_status 642 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 643 { 644 struct drm_device *dev = connector->dev; 645 struct nouveau_drm *drm = nouveau_drm(dev); 646 struct nouveau_connector *nv_connector = nouveau_connector(connector); 647 struct nouveau_encoder *nv_encoder = NULL; 648 enum drm_connector_status status = connector_status_disconnected; 649 650 /* Cleanup the previous EDID block. */ 651 if (nv_connector->edid) { 652 drm_connector_update_edid_property(connector, NULL); 653 kfree(nv_connector->edid); 654 nv_connector->edid = NULL; 655 } 656 657 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 658 if (!nv_encoder) 659 return connector_status_disconnected; 660 661 /* Try retrieving EDID via DDC */ 662 if (!drm->vbios.fp_no_ddc) { 663 status = nouveau_connector_detect(connector, force); 664 if (status == connector_status_connected) 665 goto out; 666 } 667 668 /* On some laptops (Sony, i'm looking at you) there appears to 669 * be no direct way of accessing the panel's EDID. The only 670 * option available to us appears to be to ask ACPI for help.. 671 * 672 * It's important this check's before trying straps, one of the 673 * said manufacturer's laptops are configured in such a way 674 * the nouveau decides an entry in the VBIOS FP mode table is 675 * valid - it's not (rh#613284) 676 */ 677 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 678 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 679 status = connector_status_connected; 680 goto out; 681 } 682 } 683 684 /* If no EDID found above, and the VBIOS indicates a hardcoded 685 * modeline is avalilable for the panel, set it as the panel's 686 * native mode and exit. 687 */ 688 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 689 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 690 status = connector_status_connected; 691 goto out; 692 } 693 694 /* Still nothing, some VBIOS images have a hardcoded EDID block 695 * stored for the panel stored in them. 696 */ 697 if (!drm->vbios.fp_no_ddc) { 698 struct edid *edid = 699 (struct edid *)nouveau_bios_embedded_edid(dev); 700 if (edid) { 701 nv_connector->edid = 702 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 703 if (nv_connector->edid) 704 status = connector_status_connected; 705 } 706 } 707 708 out: 709 #if defined(CONFIG_ACPI_BUTTON) || \ 710 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 711 if (status == connector_status_connected && 712 !nouveau_ignorelid && !acpi_lid_open()) 713 status = connector_status_unknown; 714 #endif 715 716 drm_connector_update_edid_property(connector, nv_connector->edid); 717 nouveau_connector_set_encoder(connector, nv_encoder); 718 return status; 719 } 720 721 static void 722 nouveau_connector_force(struct drm_connector *connector) 723 { 724 struct nouveau_drm *drm = nouveau_drm(connector->dev); 725 struct nouveau_connector *nv_connector = nouveau_connector(connector); 726 struct nouveau_encoder *nv_encoder; 727 int type; 728 729 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 730 if (connector->force == DRM_FORCE_ON_DIGITAL) 731 type = DCB_OUTPUT_TMDS; 732 else 733 type = DCB_OUTPUT_ANALOG; 734 } else 735 type = DCB_OUTPUT_ANY; 736 737 nv_encoder = find_encoder(connector, type); 738 if (!nv_encoder) { 739 NV_ERROR(drm, "can't find encoder to force %s on!\n", 740 connector->name); 741 connector->status = connector_status_disconnected; 742 return; 743 } 744 745 nouveau_connector_set_encoder(connector, nv_encoder); 746 } 747 748 static int 749 nouveau_connector_set_property(struct drm_connector *connector, 750 struct drm_property *property, uint64_t value) 751 { 752 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state); 753 struct nouveau_connector *nv_connector = nouveau_connector(connector); 754 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 755 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 756 int ret; 757 758 ret = connector->funcs->atomic_set_property(&nv_connector->base, 759 &asyc->state, 760 property, value); 761 if (ret) { 762 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 763 return get_slave_funcs(encoder)->set_property( 764 encoder, connector, property, value); 765 return ret; 766 } 767 768 nv_connector->scaling_mode = asyc->scaler.mode; 769 nv_connector->dithering_mode = asyc->dither.mode; 770 771 if (connector->encoder && connector->encoder->crtc) { 772 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 773 &connector->encoder->crtc->mode, 774 connector->encoder->crtc->x, 775 connector->encoder->crtc->y, 776 NULL); 777 if (!ret) 778 return -EINVAL; 779 } 780 781 return 0; 782 } 783 784 struct moderec { 785 int hdisplay; 786 int vdisplay; 787 }; 788 789 static struct moderec scaler_modes[] = { 790 { 1920, 1200 }, 791 { 1920, 1080 }, 792 { 1680, 1050 }, 793 { 1600, 1200 }, 794 { 1400, 1050 }, 795 { 1280, 1024 }, 796 { 1280, 960 }, 797 { 1152, 864 }, 798 { 1024, 768 }, 799 { 800, 600 }, 800 { 720, 400 }, 801 { 640, 480 }, 802 { 640, 400 }, 803 { 640, 350 }, 804 {} 805 }; 806 807 static int 808 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 809 { 810 struct nouveau_connector *nv_connector = nouveau_connector(connector); 811 struct drm_display_mode *native = nv_connector->native_mode, *m; 812 struct drm_device *dev = connector->dev; 813 struct moderec *mode = &scaler_modes[0]; 814 int modes = 0; 815 816 if (!native) 817 return 0; 818 819 while (mode->hdisplay) { 820 if (mode->hdisplay <= native->hdisplay && 821 mode->vdisplay <= native->vdisplay && 822 (mode->hdisplay != native->hdisplay || 823 mode->vdisplay != native->vdisplay)) { 824 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 825 drm_mode_vrefresh(native), false, 826 false, false); 827 if (!m) 828 continue; 829 830 drm_mode_probed_add(connector, m); 831 modes++; 832 } 833 834 mode++; 835 } 836 837 return modes; 838 } 839 840 static void 841 nouveau_connector_detect_depth(struct drm_connector *connector) 842 { 843 struct nouveau_drm *drm = nouveau_drm(connector->dev); 844 struct nouveau_connector *nv_connector = nouveau_connector(connector); 845 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 846 struct nvbios *bios = &drm->vbios; 847 struct drm_display_mode *mode = nv_connector->native_mode; 848 bool duallink; 849 850 /* if the edid is feeling nice enough to provide this info, use it */ 851 if (nv_connector->edid && connector->display_info.bpc) 852 return; 853 854 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 855 if (nv_connector->type == DCB_CONNECTOR_eDP) { 856 connector->display_info.bpc = 6; 857 return; 858 } 859 860 /* we're out of options unless we're LVDS, default to 8bpc */ 861 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 862 connector->display_info.bpc = 8; 863 return; 864 } 865 866 connector->display_info.bpc = 6; 867 868 /* LVDS: panel straps */ 869 if (bios->fp_no_ddc) { 870 if (bios->fp.if_is_24bit) 871 connector->display_info.bpc = 8; 872 return; 873 } 874 875 /* LVDS: DDC panel, need to first determine the number of links to 876 * know which if_is_24bit flag to check... 877 */ 878 if (nv_connector->edid && 879 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 880 duallink = ((u8 *)nv_connector->edid)[121] == 2; 881 else 882 duallink = mode->clock >= bios->fp.duallink_transition_clk; 883 884 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 885 ( duallink && (bios->fp.strapless_is_24bit & 2))) 886 connector->display_info.bpc = 8; 887 } 888 889 static int 890 nouveau_connector_late_register(struct drm_connector *connector) 891 { 892 int ret; 893 894 ret = nouveau_backlight_init(connector); 895 896 return ret; 897 } 898 899 static void 900 nouveau_connector_early_unregister(struct drm_connector *connector) 901 { 902 nouveau_backlight_fini(connector); 903 } 904 905 static int 906 nouveau_connector_get_modes(struct drm_connector *connector) 907 { 908 struct drm_device *dev = connector->dev; 909 struct nouveau_drm *drm = nouveau_drm(dev); 910 struct nouveau_connector *nv_connector = nouveau_connector(connector); 911 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 912 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 913 int ret = 0; 914 915 /* destroy the native mode, the attached monitor could have changed. 916 */ 917 if (nv_connector->native_mode) { 918 drm_mode_destroy(dev, nv_connector->native_mode); 919 nv_connector->native_mode = NULL; 920 } 921 922 if (nv_connector->edid) 923 ret = drm_add_edid_modes(connector, nv_connector->edid); 924 else 925 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 926 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 927 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 928 struct drm_display_mode mode; 929 930 nouveau_bios_fp_mode(dev, &mode); 931 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 932 } 933 934 /* Determine display colour depth for everything except LVDS now, 935 * DP requires this before mode_valid() is called. 936 */ 937 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 938 nouveau_connector_detect_depth(connector); 939 940 /* Find the native mode if this is a digital panel, if we didn't 941 * find any modes through DDC previously add the native mode to 942 * the list of modes. 943 */ 944 if (!nv_connector->native_mode) 945 nv_connector->native_mode = nouveau_conn_native_mode(connector); 946 if (ret == 0 && nv_connector->native_mode) { 947 struct drm_display_mode *mode; 948 949 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 950 drm_mode_probed_add(connector, mode); 951 ret = 1; 952 } 953 954 /* Determine LVDS colour depth, must happen after determining 955 * "native" mode as some VBIOS tables require us to use the 956 * pixel clock as part of the lookup... 957 */ 958 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 959 nouveau_connector_detect_depth(connector); 960 961 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 962 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 963 964 if (nv_connector->type == DCB_CONNECTOR_LVDS || 965 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 966 nv_connector->type == DCB_CONNECTOR_eDP) 967 ret += nouveau_connector_scaler_modes_add(connector); 968 969 return ret; 970 } 971 972 static unsigned 973 get_tmds_link_bandwidth(struct drm_connector *connector) 974 { 975 struct nouveau_connector *nv_connector = nouveau_connector(connector); 976 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 977 struct nouveau_drm *drm = nouveau_drm(connector->dev); 978 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 979 struct drm_display_info *info = NULL; 980 const unsigned duallink_scale = 981 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1; 982 983 if (drm_detect_hdmi_monitor(nv_connector->edid)) 984 info = &nv_connector->base.display_info; 985 986 if (info) { 987 if (nouveau_hdmimhz > 0) 988 return nouveau_hdmimhz * 1000; 989 /* Note: these limits are conservative, some Fermi's 990 * can do 297 MHz. Unclear how this can be determined. 991 */ 992 if (drm->client.device.info.chipset >= 0x120) { 993 const int max_tmds_clock = 994 info->hdmi.scdc.scrambling.supported ? 995 594000 : 340000; 996 return info->max_tmds_clock ? 997 min(info->max_tmds_clock, max_tmds_clock) : 998 max_tmds_clock; 999 } 1000 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 1001 return 297000; 1002 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 1003 return 225000; 1004 } 1005 if (dcb->location != DCB_LOC_ON_CHIP || 1006 drm->client.device.info.chipset >= 0x46) 1007 return 165000 * duallink_scale; 1008 else if (drm->client.device.info.chipset >= 0x40) 1009 return 155000 * duallink_scale; 1010 else if (drm->client.device.info.chipset >= 0x18) 1011 return 135000 * duallink_scale; 1012 else 1013 return 112000 * duallink_scale; 1014 } 1015 1016 static enum drm_mode_status 1017 nouveau_connector_mode_valid(struct drm_connector *connector, 1018 struct drm_display_mode *mode) 1019 { 1020 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1021 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1022 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1023 unsigned min_clock = 25000, max_clock = min_clock; 1024 unsigned clock = mode->clock; 1025 1026 switch (nv_encoder->dcb->type) { 1027 case DCB_OUTPUT_LVDS: 1028 if (nv_connector->native_mode && 1029 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1030 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1031 return MODE_PANEL; 1032 1033 min_clock = 0; 1034 max_clock = 400000; 1035 break; 1036 case DCB_OUTPUT_TMDS: 1037 max_clock = get_tmds_link_bandwidth(connector); 1038 break; 1039 case DCB_OUTPUT_ANALOG: 1040 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1041 if (!max_clock) 1042 max_clock = 350000; 1043 break; 1044 case DCB_OUTPUT_TV: 1045 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1046 case DCB_OUTPUT_DP: 1047 max_clock = nv_encoder->dp.link_nr; 1048 max_clock *= nv_encoder->dp.link_bw; 1049 clock = clock * (connector->display_info.bpc * 3) / 10; 1050 break; 1051 default: 1052 BUG(); 1053 return MODE_BAD; 1054 } 1055 1056 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1057 clock *= 2; 1058 1059 if (clock < min_clock) 1060 return MODE_CLOCK_LOW; 1061 1062 if (clock > max_clock) 1063 return MODE_CLOCK_HIGH; 1064 1065 return MODE_OK; 1066 } 1067 1068 static struct drm_encoder * 1069 nouveau_connector_best_encoder(struct drm_connector *connector) 1070 { 1071 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1072 1073 if (nv_connector->detected_encoder) 1074 return to_drm_encoder(nv_connector->detected_encoder); 1075 1076 return NULL; 1077 } 1078 1079 static const struct drm_connector_helper_funcs 1080 nouveau_connector_helper_funcs = { 1081 .get_modes = nouveau_connector_get_modes, 1082 .mode_valid = nouveau_connector_mode_valid, 1083 .best_encoder = nouveau_connector_best_encoder, 1084 }; 1085 1086 static const struct drm_connector_funcs 1087 nouveau_connector_funcs = { 1088 .dpms = drm_helper_connector_dpms, 1089 .reset = nouveau_conn_reset, 1090 .detect = nouveau_connector_detect, 1091 .force = nouveau_connector_force, 1092 .fill_modes = drm_helper_probe_single_connector_modes, 1093 .set_property = nouveau_connector_set_property, 1094 .destroy = nouveau_connector_destroy, 1095 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1096 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1097 .atomic_set_property = nouveau_conn_atomic_set_property, 1098 .atomic_get_property = nouveau_conn_atomic_get_property, 1099 .late_register = nouveau_connector_late_register, 1100 .early_unregister = nouveau_connector_early_unregister, 1101 }; 1102 1103 static const struct drm_connector_funcs 1104 nouveau_connector_funcs_lvds = { 1105 .dpms = drm_helper_connector_dpms, 1106 .reset = nouveau_conn_reset, 1107 .detect = nouveau_connector_detect_lvds, 1108 .force = nouveau_connector_force, 1109 .fill_modes = drm_helper_probe_single_connector_modes, 1110 .set_property = nouveau_connector_set_property, 1111 .destroy = nouveau_connector_destroy, 1112 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1113 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1114 .atomic_set_property = nouveau_conn_atomic_set_property, 1115 .atomic_get_property = nouveau_conn_atomic_get_property, 1116 .late_register = nouveau_connector_late_register, 1117 .early_unregister = nouveau_connector_early_unregister, 1118 }; 1119 1120 static int 1121 nouveau_connector_hotplug(struct nvif_notify *notify) 1122 { 1123 struct nouveau_connector *nv_connector = 1124 container_of(notify, typeof(*nv_connector), hpd); 1125 struct drm_connector *connector = &nv_connector->base; 1126 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1127 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1128 const char *name = connector->name; 1129 struct nouveau_encoder *nv_encoder; 1130 int ret; 1131 1132 ret = pm_runtime_get(drm->dev->dev); 1133 if (ret == 0) { 1134 /* We can't block here if there's a pending PM request 1135 * running, as we'll deadlock nouveau_display_fini() when it 1136 * calls nvif_put() on our nvif_notify struct. So, simply 1137 * defer the hotplug event until the device finishes resuming 1138 */ 1139 NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n", 1140 name); 1141 schedule_work(&drm->hpd_work); 1142 1143 pm_runtime_put_noidle(drm->dev->dev); 1144 return NVIF_NOTIFY_KEEP; 1145 } else if (ret != 1 && ret != -EACCES) { 1146 NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n", 1147 name, ret); 1148 return NVIF_NOTIFY_DROP; 1149 } 1150 1151 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1152 NV_DEBUG(drm, "service %s\n", name); 1153 drm_dp_cec_irq(&nv_connector->aux); 1154 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1155 nv50_mstm_service(nv_encoder->dp.mstm); 1156 } else { 1157 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1158 1159 if (!plugged) 1160 drm_dp_cec_unset_edid(&nv_connector->aux); 1161 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1162 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1163 if (!plugged) 1164 nv50_mstm_remove(nv_encoder->dp.mstm); 1165 } 1166 1167 drm_helper_hpd_irq_event(connector->dev); 1168 } 1169 1170 pm_runtime_mark_last_busy(drm->dev->dev); 1171 pm_runtime_put_autosuspend(drm->dev->dev); 1172 return NVIF_NOTIFY_KEEP; 1173 } 1174 1175 static ssize_t 1176 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1177 { 1178 struct nouveau_connector *nv_connector = 1179 container_of(obj, typeof(*nv_connector), aux); 1180 struct nouveau_encoder *nv_encoder; 1181 struct nvkm_i2c_aux *aux; 1182 u8 size = msg->size; 1183 int ret; 1184 1185 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1186 if (!nv_encoder || !(aux = nv_encoder->aux)) 1187 return -ENODEV; 1188 if (WARN_ON(msg->size > 16)) 1189 return -E2BIG; 1190 1191 ret = nvkm_i2c_aux_acquire(aux); 1192 if (ret) 1193 return ret; 1194 1195 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1196 msg->buffer, &size); 1197 nvkm_i2c_aux_release(aux); 1198 if (ret >= 0) { 1199 msg->reply = ret; 1200 return size; 1201 } 1202 1203 return ret; 1204 } 1205 1206 static int 1207 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1208 { 1209 switch (dcb) { 1210 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1211 case DCB_CONNECTOR_TV_0 : 1212 case DCB_CONNECTOR_TV_1 : 1213 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1214 case DCB_CONNECTOR_DMS59_0 : 1215 case DCB_CONNECTOR_DMS59_1 : 1216 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1217 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1218 case DCB_CONNECTOR_LVDS : 1219 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1220 case DCB_CONNECTOR_DMS59_DP0: 1221 case DCB_CONNECTOR_DMS59_DP1: 1222 case DCB_CONNECTOR_DP : 1223 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort; 1224 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1225 case DCB_CONNECTOR_HDMI_0 : 1226 case DCB_CONNECTOR_HDMI_1 : 1227 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1228 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1229 default: 1230 break; 1231 } 1232 1233 return DRM_MODE_CONNECTOR_Unknown; 1234 } 1235 1236 struct drm_connector * 1237 nouveau_connector_create(struct drm_device *dev, 1238 const struct dcb_output *dcbe) 1239 { 1240 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1241 struct nouveau_drm *drm = nouveau_drm(dev); 1242 struct nouveau_display *disp = nouveau_display(dev); 1243 struct nouveau_connector *nv_connector = NULL; 1244 struct drm_connector *connector; 1245 struct drm_connector_list_iter conn_iter; 1246 char aux_name[48] = {0}; 1247 int index = dcbe->connector; 1248 int type, ret = 0; 1249 bool dummy; 1250 1251 drm_connector_list_iter_begin(dev, &conn_iter); 1252 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1253 nv_connector = nouveau_connector(connector); 1254 if (nv_connector->index == index) { 1255 drm_connector_list_iter_end(&conn_iter); 1256 return connector; 1257 } 1258 } 1259 drm_connector_list_iter_end(&conn_iter); 1260 1261 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1262 if (!nv_connector) 1263 return ERR_PTR(-ENOMEM); 1264 1265 connector = &nv_connector->base; 1266 nv_connector->index = index; 1267 1268 /* attempt to parse vbios connector type and hotplug gpio */ 1269 nv_connector->dcb = olddcb_conn(dev, index); 1270 if (nv_connector->dcb) { 1271 u32 entry = ROM16(nv_connector->dcb[0]); 1272 if (olddcb_conntab(dev)[3] >= 4) 1273 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1274 1275 nv_connector->type = nv_connector->dcb[0]; 1276 if (drm_conntype_from_dcb(nv_connector->type) == 1277 DRM_MODE_CONNECTOR_Unknown) { 1278 NV_WARN(drm, "unknown connector type %02x\n", 1279 nv_connector->type); 1280 nv_connector->type = DCB_CONNECTOR_NONE; 1281 } 1282 1283 /* Gigabyte NX85T */ 1284 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1285 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1286 nv_connector->type = DCB_CONNECTOR_DVI_I; 1287 } 1288 1289 /* Gigabyte GV-NX86T512H */ 1290 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1291 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1292 nv_connector->type = DCB_CONNECTOR_DVI_I; 1293 } 1294 } else { 1295 nv_connector->type = DCB_CONNECTOR_NONE; 1296 } 1297 1298 /* no vbios data, or an unknown dcb connector type - attempt to 1299 * figure out something suitable ourselves 1300 */ 1301 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1302 struct nouveau_drm *drm = nouveau_drm(dev); 1303 struct dcb_table *dcbt = &drm->vbios.dcb; 1304 u32 encoders = 0; 1305 int i; 1306 1307 for (i = 0; i < dcbt->entries; i++) { 1308 if (dcbt->entry[i].connector == nv_connector->index) 1309 encoders |= (1 << dcbt->entry[i].type); 1310 } 1311 1312 if (encoders & (1 << DCB_OUTPUT_DP)) { 1313 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1314 nv_connector->type = DCB_CONNECTOR_DP; 1315 else 1316 nv_connector->type = DCB_CONNECTOR_eDP; 1317 } else 1318 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1319 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1320 nv_connector->type = DCB_CONNECTOR_DVI_I; 1321 else 1322 nv_connector->type = DCB_CONNECTOR_DVI_D; 1323 } else 1324 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1325 nv_connector->type = DCB_CONNECTOR_VGA; 1326 } else 1327 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1328 nv_connector->type = DCB_CONNECTOR_LVDS; 1329 } else 1330 if (encoders & (1 << DCB_OUTPUT_TV)) { 1331 nv_connector->type = DCB_CONNECTOR_TV_0; 1332 } 1333 } 1334 1335 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1336 case DRM_MODE_CONNECTOR_LVDS: 1337 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1338 if (ret) { 1339 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1340 kfree(nv_connector); 1341 return ERR_PTR(ret); 1342 } 1343 1344 funcs = &nouveau_connector_funcs_lvds; 1345 break; 1346 case DRM_MODE_CONNECTOR_DisplayPort: 1347 case DRM_MODE_CONNECTOR_eDP: 1348 nv_connector->aux.dev = dev->dev; 1349 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1350 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x", 1351 dcbe->hasht, dcbe->hashm); 1352 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL); 1353 ret = drm_dp_aux_register(&nv_connector->aux); 1354 if (ret) { 1355 NV_ERROR(drm, "failed to register aux channel\n"); 1356 kfree(nv_connector); 1357 return ERR_PTR(ret); 1358 } 1359 funcs = &nouveau_connector_funcs; 1360 break; 1361 default: 1362 funcs = &nouveau_connector_funcs; 1363 break; 1364 } 1365 1366 /* HDMI 3D support */ 1367 if ((disp->disp.object.oclass >= G82_DISP) 1368 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1369 || (type == DRM_MODE_CONNECTOR_eDP) 1370 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1371 connector->stereo_allowed = true; 1372 1373 /* defaults, will get overridden in detect() */ 1374 connector->interlace_allowed = false; 1375 connector->doublescan_allowed = false; 1376 1377 drm_connector_init(dev, connector, funcs, type); 1378 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1379 1380 connector->funcs->reset(connector); 1381 nouveau_conn_attach_properties(connector); 1382 1383 /* Default scaling mode */ 1384 switch (nv_connector->type) { 1385 case DCB_CONNECTOR_LVDS: 1386 case DCB_CONNECTOR_LVDS_SPWG: 1387 case DCB_CONNECTOR_eDP: 1388 /* see note in nouveau_connector_set_property() */ 1389 if (disp->disp.object.oclass < NV50_DISP) { 1390 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1391 break; 1392 } 1393 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1394 break; 1395 default: 1396 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1397 break; 1398 } 1399 1400 /* dithering properties */ 1401 switch (nv_connector->type) { 1402 case DCB_CONNECTOR_TV_0: 1403 case DCB_CONNECTOR_TV_1: 1404 case DCB_CONNECTOR_TV_3: 1405 case DCB_CONNECTOR_VGA: 1406 break; 1407 default: 1408 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1409 break; 1410 } 1411 1412 switch (type) { 1413 case DRM_MODE_CONNECTOR_DisplayPort: 1414 case DRM_MODE_CONNECTOR_eDP: 1415 drm_dp_cec_register_connector(&nv_connector->aux, 1416 connector->name, dev->dev); 1417 break; 1418 } 1419 1420 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug, 1421 true, NV04_DISP_NTFY_CONN, 1422 &(struct nvif_notify_conn_req_v0) { 1423 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1424 .conn = index, 1425 }, 1426 sizeof(struct nvif_notify_conn_req_v0), 1427 sizeof(struct nvif_notify_conn_rep_v0), 1428 &nv_connector->hpd); 1429 if (ret) 1430 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1431 else 1432 connector->polled = DRM_CONNECTOR_POLL_HPD; 1433 1434 drm_connector_register(connector); 1435 return connector; 1436 } 1437