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 } 407 kfree(connector); 408 } 409 410 static struct nouveau_encoder * 411 nouveau_connector_ddc_detect(struct drm_connector *connector) 412 { 413 struct drm_device *dev = connector->dev; 414 struct nouveau_encoder *nv_encoder = NULL, *found = NULL; 415 struct drm_encoder *encoder; 416 int i, ret; 417 bool switcheroo_ddc = false; 418 419 drm_connector_for_each_possible_encoder(connector, encoder, i) { 420 nv_encoder = nouveau_encoder(encoder); 421 422 switch (nv_encoder->dcb->type) { 423 case DCB_OUTPUT_DP: 424 ret = nouveau_dp_detect(nv_encoder); 425 if (ret == NOUVEAU_DP_MST) 426 return NULL; 427 else if (ret == NOUVEAU_DP_SST) 428 found = nv_encoder; 429 430 break; 431 case DCB_OUTPUT_LVDS: 432 switcheroo_ddc = !!(vga_switcheroo_handler_flags() & 433 VGA_SWITCHEROO_CAN_SWITCH_DDC); 434 /* fall-through */ 435 default: 436 if (!nv_encoder->i2c) 437 break; 438 439 if (switcheroo_ddc) 440 vga_switcheroo_lock_ddc(dev->pdev); 441 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 442 found = nv_encoder; 443 if (switcheroo_ddc) 444 vga_switcheroo_unlock_ddc(dev->pdev); 445 446 break; 447 } 448 if (found) 449 break; 450 } 451 452 return found; 453 } 454 455 static struct nouveau_encoder * 456 nouveau_connector_of_detect(struct drm_connector *connector) 457 { 458 #ifdef __powerpc__ 459 struct drm_device *dev = connector->dev; 460 struct nouveau_connector *nv_connector = nouveau_connector(connector); 461 struct nouveau_encoder *nv_encoder; 462 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); 463 464 if (!dn || 465 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 466 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 467 return NULL; 468 469 for_each_child_of_node(dn, cn) { 470 const char *name = of_get_property(cn, "name", NULL); 471 const void *edid = of_get_property(cn, "EDID", NULL); 472 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 473 474 if (nv_encoder->dcb->i2c_index == idx && edid) { 475 nv_connector->edid = 476 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 477 of_node_put(cn); 478 return nv_encoder; 479 } 480 } 481 #endif 482 return NULL; 483 } 484 485 static void 486 nouveau_connector_set_encoder(struct drm_connector *connector, 487 struct nouveau_encoder *nv_encoder) 488 { 489 struct nouveau_connector *nv_connector = nouveau_connector(connector); 490 struct nouveau_drm *drm = nouveau_drm(connector->dev); 491 struct drm_device *dev = connector->dev; 492 493 if (nv_connector->detected_encoder == nv_encoder) 494 return; 495 nv_connector->detected_encoder = nv_encoder; 496 497 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 498 connector->interlace_allowed = true; 499 connector->doublescan_allowed = true; 500 } else 501 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 502 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 503 connector->doublescan_allowed = false; 504 connector->interlace_allowed = false; 505 } else { 506 connector->doublescan_allowed = true; 507 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN || 508 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 509 (dev->pdev->device & 0x0ff0) != 0x0100 && 510 (dev->pdev->device & 0x0ff0) != 0x0150)) 511 /* HW is broken */ 512 connector->interlace_allowed = false; 513 else 514 connector->interlace_allowed = true; 515 } 516 517 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 518 drm_object_property_set_value(&connector->base, 519 dev->mode_config.dvi_i_subconnector_property, 520 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 521 DRM_MODE_SUBCONNECTOR_DVID : 522 DRM_MODE_SUBCONNECTOR_DVIA); 523 } 524 } 525 526 static enum drm_connector_status 527 nouveau_connector_detect(struct drm_connector *connector, bool force) 528 { 529 struct drm_device *dev = connector->dev; 530 struct nouveau_drm *drm = nouveau_drm(dev); 531 struct nouveau_connector *nv_connector = nouveau_connector(connector); 532 struct nouveau_encoder *nv_encoder = NULL; 533 struct nouveau_encoder *nv_partner; 534 struct i2c_adapter *i2c; 535 int type; 536 int ret; 537 enum drm_connector_status conn_status = connector_status_disconnected; 538 539 /* Cleanup the previous EDID block. */ 540 if (nv_connector->edid) { 541 drm_connector_update_edid_property(connector, NULL); 542 kfree(nv_connector->edid); 543 nv_connector->edid = NULL; 544 } 545 546 /* Outputs are only polled while runtime active, so resuming the 547 * device here is unnecessary (and would deadlock upon runtime suspend 548 * because it waits for polling to finish). We do however, want to 549 * prevent the autosuspend timer from elapsing during this operation 550 * if possible. 551 */ 552 if (drm_kms_helper_is_poll_worker()) { 553 pm_runtime_get_noresume(dev->dev); 554 } else { 555 ret = pm_runtime_get_sync(dev->dev); 556 if (ret < 0 && ret != -EACCES) 557 return conn_status; 558 } 559 560 nv_encoder = nouveau_connector_ddc_detect(connector); 561 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 562 if ((vga_switcheroo_handler_flags() & 563 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 564 nv_connector->type == DCB_CONNECTOR_LVDS) 565 nv_connector->edid = drm_get_edid_switcheroo(connector, 566 i2c); 567 else 568 nv_connector->edid = drm_get_edid(connector, i2c); 569 570 drm_connector_update_edid_property(connector, 571 nv_connector->edid); 572 if (!nv_connector->edid) { 573 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 574 connector->name); 575 goto detect_analog; 576 } 577 578 /* Override encoder type for DVI-I based on whether EDID 579 * says the display is digital or analog, both use the 580 * same i2c channel so the value returned from ddc_detect 581 * isn't necessarily correct. 582 */ 583 nv_partner = NULL; 584 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 585 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 586 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 587 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 588 589 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 590 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 591 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 592 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 593 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 594 type = DCB_OUTPUT_TMDS; 595 else 596 type = DCB_OUTPUT_ANALOG; 597 598 nv_encoder = find_encoder(connector, type); 599 } 600 601 nouveau_connector_set_encoder(connector, nv_encoder); 602 conn_status = connector_status_connected; 603 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); 604 goto out; 605 } 606 607 nv_encoder = nouveau_connector_of_detect(connector); 608 if (nv_encoder) { 609 nouveau_connector_set_encoder(connector, nv_encoder); 610 conn_status = connector_status_connected; 611 goto out; 612 } 613 614 detect_analog: 615 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 616 if (!nv_encoder && !nouveau_tv_disable) 617 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 618 if (nv_encoder && force) { 619 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 620 const struct drm_encoder_helper_funcs *helper = 621 encoder->helper_private; 622 623 if (helper->detect(encoder, connector) == 624 connector_status_connected) { 625 nouveau_connector_set_encoder(connector, nv_encoder); 626 conn_status = connector_status_connected; 627 goto out; 628 } 629 630 } 631 632 out: 633 634 pm_runtime_mark_last_busy(dev->dev); 635 pm_runtime_put_autosuspend(dev->dev); 636 637 return conn_status; 638 } 639 640 static enum drm_connector_status 641 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 642 { 643 struct drm_device *dev = connector->dev; 644 struct nouveau_drm *drm = nouveau_drm(dev); 645 struct nouveau_connector *nv_connector = nouveau_connector(connector); 646 struct nouveau_encoder *nv_encoder = NULL; 647 enum drm_connector_status status = connector_status_disconnected; 648 649 /* Cleanup the previous EDID block. */ 650 if (nv_connector->edid) { 651 drm_connector_update_edid_property(connector, NULL); 652 kfree(nv_connector->edid); 653 nv_connector->edid = NULL; 654 } 655 656 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 657 if (!nv_encoder) 658 return connector_status_disconnected; 659 660 /* Try retrieving EDID via DDC */ 661 if (!drm->vbios.fp_no_ddc) { 662 status = nouveau_connector_detect(connector, force); 663 if (status == connector_status_connected) 664 goto out; 665 } 666 667 /* On some laptops (Sony, i'm looking at you) there appears to 668 * be no direct way of accessing the panel's EDID. The only 669 * option available to us appears to be to ask ACPI for help.. 670 * 671 * It's important this check's before trying straps, one of the 672 * said manufacturer's laptops are configured in such a way 673 * the nouveau decides an entry in the VBIOS FP mode table is 674 * valid - it's not (rh#613284) 675 */ 676 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 677 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 678 status = connector_status_connected; 679 goto out; 680 } 681 } 682 683 /* If no EDID found above, and the VBIOS indicates a hardcoded 684 * modeline is avalilable for the panel, set it as the panel's 685 * native mode and exit. 686 */ 687 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 688 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 689 status = connector_status_connected; 690 goto out; 691 } 692 693 /* Still nothing, some VBIOS images have a hardcoded EDID block 694 * stored for the panel stored in them. 695 */ 696 if (!drm->vbios.fp_no_ddc) { 697 struct edid *edid = 698 (struct edid *)nouveau_bios_embedded_edid(dev); 699 if (edid) { 700 nv_connector->edid = 701 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 702 if (nv_connector->edid) 703 status = connector_status_connected; 704 } 705 } 706 707 out: 708 #if defined(CONFIG_ACPI_BUTTON) || \ 709 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 710 if (status == connector_status_connected && 711 !nouveau_ignorelid && !acpi_lid_open()) 712 status = connector_status_unknown; 713 #endif 714 715 drm_connector_update_edid_property(connector, nv_connector->edid); 716 nouveau_connector_set_encoder(connector, nv_encoder); 717 return status; 718 } 719 720 static void 721 nouveau_connector_force(struct drm_connector *connector) 722 { 723 struct nouveau_drm *drm = nouveau_drm(connector->dev); 724 struct nouveau_connector *nv_connector = nouveau_connector(connector); 725 struct nouveau_encoder *nv_encoder; 726 int type; 727 728 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 729 if (connector->force == DRM_FORCE_ON_DIGITAL) 730 type = DCB_OUTPUT_TMDS; 731 else 732 type = DCB_OUTPUT_ANALOG; 733 } else 734 type = DCB_OUTPUT_ANY; 735 736 nv_encoder = find_encoder(connector, type); 737 if (!nv_encoder) { 738 NV_ERROR(drm, "can't find encoder to force %s on!\n", 739 connector->name); 740 connector->status = connector_status_disconnected; 741 return; 742 } 743 744 nouveau_connector_set_encoder(connector, nv_encoder); 745 } 746 747 static int 748 nouveau_connector_set_property(struct drm_connector *connector, 749 struct drm_property *property, uint64_t value) 750 { 751 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state); 752 struct nouveau_connector *nv_connector = nouveau_connector(connector); 753 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 754 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 755 int ret; 756 757 ret = connector->funcs->atomic_set_property(&nv_connector->base, 758 &asyc->state, 759 property, value); 760 if (ret) { 761 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 762 return get_slave_funcs(encoder)->set_property( 763 encoder, connector, property, value); 764 return ret; 765 } 766 767 nv_connector->scaling_mode = asyc->scaler.mode; 768 nv_connector->dithering_mode = asyc->dither.mode; 769 770 if (connector->encoder && connector->encoder->crtc) { 771 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 772 &connector->encoder->crtc->mode, 773 connector->encoder->crtc->x, 774 connector->encoder->crtc->y, 775 NULL); 776 if (!ret) 777 return -EINVAL; 778 } 779 780 return 0; 781 } 782 783 struct moderec { 784 int hdisplay; 785 int vdisplay; 786 }; 787 788 static struct moderec scaler_modes[] = { 789 { 1920, 1200 }, 790 { 1920, 1080 }, 791 { 1680, 1050 }, 792 { 1600, 1200 }, 793 { 1400, 1050 }, 794 { 1280, 1024 }, 795 { 1280, 960 }, 796 { 1152, 864 }, 797 { 1024, 768 }, 798 { 800, 600 }, 799 { 720, 400 }, 800 { 640, 480 }, 801 { 640, 400 }, 802 { 640, 350 }, 803 {} 804 }; 805 806 static int 807 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 808 { 809 struct nouveau_connector *nv_connector = nouveau_connector(connector); 810 struct drm_display_mode *native = nv_connector->native_mode, *m; 811 struct drm_device *dev = connector->dev; 812 struct moderec *mode = &scaler_modes[0]; 813 int modes = 0; 814 815 if (!native) 816 return 0; 817 818 while (mode->hdisplay) { 819 if (mode->hdisplay <= native->hdisplay && 820 mode->vdisplay <= native->vdisplay && 821 (mode->hdisplay != native->hdisplay || 822 mode->vdisplay != native->vdisplay)) { 823 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 824 drm_mode_vrefresh(native), false, 825 false, false); 826 if (!m) 827 continue; 828 829 drm_mode_probed_add(connector, m); 830 modes++; 831 } 832 833 mode++; 834 } 835 836 return modes; 837 } 838 839 static void 840 nouveau_connector_detect_depth(struct drm_connector *connector) 841 { 842 struct nouveau_drm *drm = nouveau_drm(connector->dev); 843 struct nouveau_connector *nv_connector = nouveau_connector(connector); 844 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 845 struct nvbios *bios = &drm->vbios; 846 struct drm_display_mode *mode = nv_connector->native_mode; 847 bool duallink; 848 849 /* if the edid is feeling nice enough to provide this info, use it */ 850 if (nv_connector->edid && connector->display_info.bpc) 851 return; 852 853 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 854 if (nv_connector->type == DCB_CONNECTOR_eDP) { 855 connector->display_info.bpc = 6; 856 return; 857 } 858 859 /* we're out of options unless we're LVDS, default to 8bpc */ 860 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 861 connector->display_info.bpc = 8; 862 return; 863 } 864 865 connector->display_info.bpc = 6; 866 867 /* LVDS: panel straps */ 868 if (bios->fp_no_ddc) { 869 if (bios->fp.if_is_24bit) 870 connector->display_info.bpc = 8; 871 return; 872 } 873 874 /* LVDS: DDC panel, need to first determine the number of links to 875 * know which if_is_24bit flag to check... 876 */ 877 if (nv_connector->edid && 878 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 879 duallink = ((u8 *)nv_connector->edid)[121] == 2; 880 else 881 duallink = mode->clock >= bios->fp.duallink_transition_clk; 882 883 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 884 ( duallink && (bios->fp.strapless_is_24bit & 2))) 885 connector->display_info.bpc = 8; 886 } 887 888 static int 889 nouveau_connector_late_register(struct drm_connector *connector) 890 { 891 int ret; 892 893 ret = nouveau_backlight_init(connector); 894 895 return ret; 896 } 897 898 static void 899 nouveau_connector_early_unregister(struct drm_connector *connector) 900 { 901 nouveau_backlight_fini(connector); 902 } 903 904 static int 905 nouveau_connector_get_modes(struct drm_connector *connector) 906 { 907 struct drm_device *dev = connector->dev; 908 struct nouveau_drm *drm = nouveau_drm(dev); 909 struct nouveau_connector *nv_connector = nouveau_connector(connector); 910 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 911 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 912 int ret = 0; 913 914 /* destroy the native mode, the attached monitor could have changed. 915 */ 916 if (nv_connector->native_mode) { 917 drm_mode_destroy(dev, nv_connector->native_mode); 918 nv_connector->native_mode = NULL; 919 } 920 921 if (nv_connector->edid) 922 ret = drm_add_edid_modes(connector, nv_connector->edid); 923 else 924 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 925 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 926 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 927 struct drm_display_mode mode; 928 929 nouveau_bios_fp_mode(dev, &mode); 930 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 931 } 932 933 /* Determine display colour depth for everything except LVDS now, 934 * DP requires this before mode_valid() is called. 935 */ 936 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 937 nouveau_connector_detect_depth(connector); 938 939 /* Find the native mode if this is a digital panel, if we didn't 940 * find any modes through DDC previously add the native mode to 941 * the list of modes. 942 */ 943 if (!nv_connector->native_mode) 944 nv_connector->native_mode = nouveau_conn_native_mode(connector); 945 if (ret == 0 && nv_connector->native_mode) { 946 struct drm_display_mode *mode; 947 948 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 949 drm_mode_probed_add(connector, mode); 950 ret = 1; 951 } 952 953 /* Determine LVDS colour depth, must happen after determining 954 * "native" mode as some VBIOS tables require us to use the 955 * pixel clock as part of the lookup... 956 */ 957 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 958 nouveau_connector_detect_depth(connector); 959 960 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 961 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 962 963 if (nv_connector->type == DCB_CONNECTOR_LVDS || 964 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 965 nv_connector->type == DCB_CONNECTOR_eDP) 966 ret += nouveau_connector_scaler_modes_add(connector); 967 968 return ret; 969 } 970 971 static unsigned 972 get_tmds_link_bandwidth(struct drm_connector *connector) 973 { 974 struct nouveau_connector *nv_connector = nouveau_connector(connector); 975 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 976 struct nouveau_drm *drm = nouveau_drm(connector->dev); 977 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 978 struct drm_display_info *info = NULL; 979 const unsigned duallink_scale = 980 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1; 981 982 if (drm_detect_hdmi_monitor(nv_connector->edid)) 983 info = &nv_connector->base.display_info; 984 985 if (info) { 986 if (nouveau_hdmimhz > 0) 987 return nouveau_hdmimhz * 1000; 988 /* Note: these limits are conservative, some Fermi's 989 * can do 297 MHz. Unclear how this can be determined. 990 */ 991 if (drm->client.device.info.chipset >= 0x120) { 992 const int max_tmds_clock = 993 info->hdmi.scdc.scrambling.supported ? 994 594000 : 340000; 995 return info->max_tmds_clock ? 996 min(info->max_tmds_clock, max_tmds_clock) : 997 max_tmds_clock; 998 } 999 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 1000 return 297000; 1001 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 1002 return 225000; 1003 } 1004 if (dcb->location != DCB_LOC_ON_CHIP || 1005 drm->client.device.info.chipset >= 0x46) 1006 return 165000 * duallink_scale; 1007 else if (drm->client.device.info.chipset >= 0x40) 1008 return 155000 * duallink_scale; 1009 else if (drm->client.device.info.chipset >= 0x18) 1010 return 135000 * duallink_scale; 1011 else 1012 return 112000 * duallink_scale; 1013 } 1014 1015 static enum drm_mode_status 1016 nouveau_connector_mode_valid(struct drm_connector *connector, 1017 struct drm_display_mode *mode) 1018 { 1019 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1020 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1021 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1022 unsigned min_clock = 25000, max_clock = min_clock; 1023 unsigned clock = mode->clock; 1024 1025 switch (nv_encoder->dcb->type) { 1026 case DCB_OUTPUT_LVDS: 1027 if (nv_connector->native_mode && 1028 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1029 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1030 return MODE_PANEL; 1031 1032 min_clock = 0; 1033 max_clock = 400000; 1034 break; 1035 case DCB_OUTPUT_TMDS: 1036 max_clock = get_tmds_link_bandwidth(connector); 1037 break; 1038 case DCB_OUTPUT_ANALOG: 1039 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1040 if (!max_clock) 1041 max_clock = 350000; 1042 break; 1043 case DCB_OUTPUT_TV: 1044 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1045 case DCB_OUTPUT_DP: 1046 max_clock = nv_encoder->dp.link_nr; 1047 max_clock *= nv_encoder->dp.link_bw; 1048 clock = clock * (connector->display_info.bpc * 3) / 10; 1049 break; 1050 default: 1051 BUG(); 1052 return MODE_BAD; 1053 } 1054 1055 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1056 clock *= 2; 1057 1058 if (clock < min_clock) 1059 return MODE_CLOCK_LOW; 1060 1061 if (clock > max_clock) 1062 return MODE_CLOCK_HIGH; 1063 1064 return MODE_OK; 1065 } 1066 1067 static struct drm_encoder * 1068 nouveau_connector_best_encoder(struct drm_connector *connector) 1069 { 1070 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1071 1072 if (nv_connector->detected_encoder) 1073 return to_drm_encoder(nv_connector->detected_encoder); 1074 1075 return NULL; 1076 } 1077 1078 static const struct drm_connector_helper_funcs 1079 nouveau_connector_helper_funcs = { 1080 .get_modes = nouveau_connector_get_modes, 1081 .mode_valid = nouveau_connector_mode_valid, 1082 .best_encoder = nouveau_connector_best_encoder, 1083 }; 1084 1085 static const struct drm_connector_funcs 1086 nouveau_connector_funcs = { 1087 .dpms = drm_helper_connector_dpms, 1088 .reset = nouveau_conn_reset, 1089 .detect = nouveau_connector_detect, 1090 .force = nouveau_connector_force, 1091 .fill_modes = drm_helper_probe_single_connector_modes, 1092 .set_property = nouveau_connector_set_property, 1093 .destroy = nouveau_connector_destroy, 1094 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1095 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1096 .atomic_set_property = nouveau_conn_atomic_set_property, 1097 .atomic_get_property = nouveau_conn_atomic_get_property, 1098 .late_register = nouveau_connector_late_register, 1099 .early_unregister = nouveau_connector_early_unregister, 1100 }; 1101 1102 static const struct drm_connector_funcs 1103 nouveau_connector_funcs_lvds = { 1104 .dpms = drm_helper_connector_dpms, 1105 .reset = nouveau_conn_reset, 1106 .detect = nouveau_connector_detect_lvds, 1107 .force = nouveau_connector_force, 1108 .fill_modes = drm_helper_probe_single_connector_modes, 1109 .set_property = nouveau_connector_set_property, 1110 .destroy = nouveau_connector_destroy, 1111 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1112 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1113 .atomic_set_property = nouveau_conn_atomic_set_property, 1114 .atomic_get_property = nouveau_conn_atomic_get_property, 1115 .late_register = nouveau_connector_late_register, 1116 .early_unregister = nouveau_connector_early_unregister, 1117 }; 1118 1119 static int 1120 nouveau_connector_hotplug(struct nvif_notify *notify) 1121 { 1122 struct nouveau_connector *nv_connector = 1123 container_of(notify, typeof(*nv_connector), hpd); 1124 struct drm_connector *connector = &nv_connector->base; 1125 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1126 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1127 const char *name = connector->name; 1128 struct nouveau_encoder *nv_encoder; 1129 int ret; 1130 1131 ret = pm_runtime_get(drm->dev->dev); 1132 if (ret == 0) { 1133 /* We can't block here if there's a pending PM request 1134 * running, as we'll deadlock nouveau_display_fini() when it 1135 * calls nvif_put() on our nvif_notify struct. So, simply 1136 * defer the hotplug event until the device finishes resuming 1137 */ 1138 NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n", 1139 name); 1140 schedule_work(&drm->hpd_work); 1141 1142 pm_runtime_put_noidle(drm->dev->dev); 1143 return NVIF_NOTIFY_KEEP; 1144 } else if (ret != 1 && ret != -EACCES) { 1145 NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n", 1146 name, ret); 1147 return NVIF_NOTIFY_DROP; 1148 } 1149 1150 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1151 NV_DEBUG(drm, "service %s\n", name); 1152 drm_dp_cec_irq(&nv_connector->aux); 1153 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1154 nv50_mstm_service(nv_encoder->dp.mstm); 1155 } else { 1156 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1157 1158 if (!plugged) 1159 drm_dp_cec_unset_edid(&nv_connector->aux); 1160 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1161 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1162 if (!plugged) 1163 nv50_mstm_remove(nv_encoder->dp.mstm); 1164 } 1165 1166 drm_helper_hpd_irq_event(connector->dev); 1167 } 1168 1169 pm_runtime_mark_last_busy(drm->dev->dev); 1170 pm_runtime_put_autosuspend(drm->dev->dev); 1171 return NVIF_NOTIFY_KEEP; 1172 } 1173 1174 static ssize_t 1175 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1176 { 1177 struct nouveau_connector *nv_connector = 1178 container_of(obj, typeof(*nv_connector), aux); 1179 struct nouveau_encoder *nv_encoder; 1180 struct nvkm_i2c_aux *aux; 1181 u8 size = msg->size; 1182 int ret; 1183 1184 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1185 if (!nv_encoder || !(aux = nv_encoder->aux)) 1186 return -ENODEV; 1187 if (WARN_ON(msg->size > 16)) 1188 return -E2BIG; 1189 1190 ret = nvkm_i2c_aux_acquire(aux); 1191 if (ret) 1192 return ret; 1193 1194 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1195 msg->buffer, &size); 1196 nvkm_i2c_aux_release(aux); 1197 if (ret >= 0) { 1198 msg->reply = ret; 1199 return size; 1200 } 1201 1202 return ret; 1203 } 1204 1205 static int 1206 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1207 { 1208 switch (dcb) { 1209 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1210 case DCB_CONNECTOR_TV_0 : 1211 case DCB_CONNECTOR_TV_1 : 1212 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1213 case DCB_CONNECTOR_DMS59_0 : 1214 case DCB_CONNECTOR_DMS59_1 : 1215 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1216 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1217 case DCB_CONNECTOR_LVDS : 1218 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1219 case DCB_CONNECTOR_DMS59_DP0: 1220 case DCB_CONNECTOR_DMS59_DP1: 1221 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort; 1222 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1223 case DCB_CONNECTOR_HDMI_0 : 1224 case DCB_CONNECTOR_HDMI_1 : 1225 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1226 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1227 default: 1228 break; 1229 } 1230 1231 return DRM_MODE_CONNECTOR_Unknown; 1232 } 1233 1234 struct drm_connector * 1235 nouveau_connector_create(struct drm_device *dev, int index) 1236 { 1237 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1238 struct nouveau_drm *drm = nouveau_drm(dev); 1239 struct nouveau_display *disp = nouveau_display(dev); 1240 struct nouveau_connector *nv_connector = NULL; 1241 struct drm_connector *connector; 1242 struct drm_connector_list_iter conn_iter; 1243 int type, ret = 0; 1244 bool dummy; 1245 1246 drm_connector_list_iter_begin(dev, &conn_iter); 1247 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1248 nv_connector = nouveau_connector(connector); 1249 if (nv_connector->index == index) { 1250 drm_connector_list_iter_end(&conn_iter); 1251 return connector; 1252 } 1253 } 1254 drm_connector_list_iter_end(&conn_iter); 1255 1256 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1257 if (!nv_connector) 1258 return ERR_PTR(-ENOMEM); 1259 1260 connector = &nv_connector->base; 1261 nv_connector->index = index; 1262 1263 /* attempt to parse vbios connector type and hotplug gpio */ 1264 nv_connector->dcb = olddcb_conn(dev, index); 1265 if (nv_connector->dcb) { 1266 u32 entry = ROM16(nv_connector->dcb[0]); 1267 if (olddcb_conntab(dev)[3] >= 4) 1268 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1269 1270 nv_connector->type = nv_connector->dcb[0]; 1271 if (drm_conntype_from_dcb(nv_connector->type) == 1272 DRM_MODE_CONNECTOR_Unknown) { 1273 NV_WARN(drm, "unknown connector type %02x\n", 1274 nv_connector->type); 1275 nv_connector->type = DCB_CONNECTOR_NONE; 1276 } 1277 1278 /* Gigabyte NX85T */ 1279 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1280 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1281 nv_connector->type = DCB_CONNECTOR_DVI_I; 1282 } 1283 1284 /* Gigabyte GV-NX86T512H */ 1285 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1286 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1287 nv_connector->type = DCB_CONNECTOR_DVI_I; 1288 } 1289 } else { 1290 nv_connector->type = DCB_CONNECTOR_NONE; 1291 } 1292 1293 /* no vbios data, or an unknown dcb connector type - attempt to 1294 * figure out something suitable ourselves 1295 */ 1296 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1297 struct nouveau_drm *drm = nouveau_drm(dev); 1298 struct dcb_table *dcbt = &drm->vbios.dcb; 1299 u32 encoders = 0; 1300 int i; 1301 1302 for (i = 0; i < dcbt->entries; i++) { 1303 if (dcbt->entry[i].connector == nv_connector->index) 1304 encoders |= (1 << dcbt->entry[i].type); 1305 } 1306 1307 if (encoders & (1 << DCB_OUTPUT_DP)) { 1308 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1309 nv_connector->type = DCB_CONNECTOR_DP; 1310 else 1311 nv_connector->type = DCB_CONNECTOR_eDP; 1312 } else 1313 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1314 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1315 nv_connector->type = DCB_CONNECTOR_DVI_I; 1316 else 1317 nv_connector->type = DCB_CONNECTOR_DVI_D; 1318 } else 1319 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1320 nv_connector->type = DCB_CONNECTOR_VGA; 1321 } else 1322 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1323 nv_connector->type = DCB_CONNECTOR_LVDS; 1324 } else 1325 if (encoders & (1 << DCB_OUTPUT_TV)) { 1326 nv_connector->type = DCB_CONNECTOR_TV_0; 1327 } 1328 } 1329 1330 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1331 case DRM_MODE_CONNECTOR_LVDS: 1332 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1333 if (ret) { 1334 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1335 kfree(nv_connector); 1336 return ERR_PTR(ret); 1337 } 1338 1339 funcs = &nouveau_connector_funcs_lvds; 1340 break; 1341 case DRM_MODE_CONNECTOR_DisplayPort: 1342 case DRM_MODE_CONNECTOR_eDP: 1343 nv_connector->aux.dev = dev->dev; 1344 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1345 ret = drm_dp_aux_register(&nv_connector->aux); 1346 if (ret) { 1347 NV_ERROR(drm, "failed to register aux channel\n"); 1348 kfree(nv_connector); 1349 return ERR_PTR(ret); 1350 } 1351 funcs = &nouveau_connector_funcs; 1352 break; 1353 default: 1354 funcs = &nouveau_connector_funcs; 1355 break; 1356 } 1357 1358 /* HDMI 3D support */ 1359 if ((disp->disp.object.oclass >= G82_DISP) 1360 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1361 || (type == DRM_MODE_CONNECTOR_eDP) 1362 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1363 connector->stereo_allowed = true; 1364 1365 /* defaults, will get overridden in detect() */ 1366 connector->interlace_allowed = false; 1367 connector->doublescan_allowed = false; 1368 1369 drm_connector_init(dev, connector, funcs, type); 1370 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1371 1372 connector->funcs->reset(connector); 1373 nouveau_conn_attach_properties(connector); 1374 1375 /* Default scaling mode */ 1376 switch (nv_connector->type) { 1377 case DCB_CONNECTOR_LVDS: 1378 case DCB_CONNECTOR_LVDS_SPWG: 1379 case DCB_CONNECTOR_eDP: 1380 /* see note in nouveau_connector_set_property() */ 1381 if (disp->disp.object.oclass < NV50_DISP) { 1382 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1383 break; 1384 } 1385 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1386 break; 1387 default: 1388 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1389 break; 1390 } 1391 1392 /* dithering properties */ 1393 switch (nv_connector->type) { 1394 case DCB_CONNECTOR_TV_0: 1395 case DCB_CONNECTOR_TV_1: 1396 case DCB_CONNECTOR_TV_3: 1397 case DCB_CONNECTOR_VGA: 1398 break; 1399 default: 1400 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1401 break; 1402 } 1403 1404 switch (type) { 1405 case DRM_MODE_CONNECTOR_DisplayPort: 1406 case DRM_MODE_CONNECTOR_eDP: 1407 drm_dp_cec_register_connector(&nv_connector->aux, 1408 connector->name, dev->dev); 1409 break; 1410 } 1411 1412 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug, 1413 true, NV04_DISP_NTFY_CONN, 1414 &(struct nvif_notify_conn_req_v0) { 1415 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1416 .conn = index, 1417 }, 1418 sizeof(struct nvif_notify_conn_req_v0), 1419 sizeof(struct nvif_notify_conn_rep_v0), 1420 &nv_connector->hpd); 1421 if (ret) 1422 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1423 else 1424 connector->polled = DRM_CONNECTOR_POLL_HPD; 1425 1426 drm_connector_register(connector); 1427 return connector; 1428 } 1429