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_probe_helper.h> 37 #include <drm/drm_atomic.h> 38 39 #include "nouveau_reg.h" 40 #include "nouveau_drv.h" 41 #include "dispnv04/hw.h" 42 #include "nouveau_acpi.h" 43 44 #include "nouveau_display.h" 45 #include "nouveau_connector.h" 46 #include "nouveau_encoder.h" 47 #include "nouveau_crtc.h" 48 49 #include <nvif/class.h> 50 #include <nvif/cl0046.h> 51 #include <nvif/event.h> 52 53 struct drm_display_mode * 54 nouveau_conn_native_mode(struct drm_connector *connector) 55 { 56 const struct drm_connector_helper_funcs *helper = connector->helper_private; 57 struct nouveau_drm *drm = nouveau_drm(connector->dev); 58 struct drm_device *dev = connector->dev; 59 struct drm_display_mode *mode, *largest = NULL; 60 int high_w = 0, high_h = 0, high_v = 0; 61 62 list_for_each_entry(mode, &connector->probed_modes, head) { 63 mode->vrefresh = drm_mode_vrefresh(mode); 64 if (helper->mode_valid(connector, mode) != MODE_OK || 65 (mode->flags & DRM_MODE_FLAG_INTERLACE)) 66 continue; 67 68 /* Use preferred mode if there is one.. */ 69 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 70 NV_DEBUG(drm, "native mode from preferred\n"); 71 return drm_mode_duplicate(dev, mode); 72 } 73 74 /* Otherwise, take the resolution with the largest width, then 75 * height, then vertical refresh 76 */ 77 if (mode->hdisplay < high_w) 78 continue; 79 80 if (mode->hdisplay == high_w && mode->vdisplay < high_h) 81 continue; 82 83 if (mode->hdisplay == high_w && mode->vdisplay == high_h && 84 mode->vrefresh < high_v) 85 continue; 86 87 high_w = mode->hdisplay; 88 high_h = mode->vdisplay; 89 high_v = mode->vrefresh; 90 largest = mode; 91 } 92 93 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n", 94 high_w, high_h, high_v); 95 return largest ? drm_mode_duplicate(dev, largest) : NULL; 96 } 97 98 int 99 nouveau_conn_atomic_get_property(struct drm_connector *connector, 100 const struct drm_connector_state *state, 101 struct drm_property *property, u64 *val) 102 { 103 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 104 struct nouveau_display *disp = nouveau_display(connector->dev); 105 struct drm_device *dev = connector->dev; 106 107 if (property == dev->mode_config.scaling_mode_property) 108 *val = asyc->scaler.mode; 109 else if (property == disp->underscan_property) 110 *val = asyc->scaler.underscan.mode; 111 else if (property == disp->underscan_hborder_property) 112 *val = asyc->scaler.underscan.hborder; 113 else if (property == disp->underscan_vborder_property) 114 *val = asyc->scaler.underscan.vborder; 115 else if (property == disp->dithering_mode) 116 *val = asyc->dither.mode; 117 else if (property == disp->dithering_depth) 118 *val = asyc->dither.depth; 119 else if (property == disp->vibrant_hue_property) 120 *val = asyc->procamp.vibrant_hue; 121 else if (property == disp->color_vibrance_property) 122 *val = asyc->procamp.color_vibrance; 123 else 124 return -EINVAL; 125 126 return 0; 127 } 128 129 int 130 nouveau_conn_atomic_set_property(struct drm_connector *connector, 131 struct drm_connector_state *state, 132 struct drm_property *property, u64 val) 133 { 134 struct drm_device *dev = connector->dev; 135 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 136 struct nouveau_display *disp = nouveau_display(dev); 137 138 if (property == dev->mode_config.scaling_mode_property) { 139 switch (val) { 140 case DRM_MODE_SCALE_NONE: 141 /* We allow 'None' for EDID modes, even on a fixed 142 * panel (some exist with support for lower refresh 143 * rates, which people might want to use for power- 144 * saving purposes). 145 * 146 * Non-EDID modes will force the use of GPU scaling 147 * to the native mode regardless of this setting. 148 */ 149 switch (connector->connector_type) { 150 case DRM_MODE_CONNECTOR_LVDS: 151 case DRM_MODE_CONNECTOR_eDP: 152 /* ... except prior to G80, where the code 153 * doesn't support such things. 154 */ 155 if (disp->disp.object.oclass < NV50_DISP) 156 return -EINVAL; 157 break; 158 default: 159 break; 160 } 161 case DRM_MODE_SCALE_FULLSCREEN: 162 case DRM_MODE_SCALE_CENTER: 163 case DRM_MODE_SCALE_ASPECT: 164 break; 165 default: 166 return -EINVAL; 167 } 168 169 if (asyc->scaler.mode != val) { 170 asyc->scaler.mode = val; 171 asyc->set.scaler = true; 172 } 173 } else 174 if (property == disp->underscan_property) { 175 if (asyc->scaler.underscan.mode != val) { 176 asyc->scaler.underscan.mode = val; 177 asyc->set.scaler = true; 178 } 179 } else 180 if (property == disp->underscan_hborder_property) { 181 if (asyc->scaler.underscan.hborder != val) { 182 asyc->scaler.underscan.hborder = val; 183 asyc->set.scaler = true; 184 } 185 } else 186 if (property == disp->underscan_vborder_property) { 187 if (asyc->scaler.underscan.vborder != val) { 188 asyc->scaler.underscan.vborder = val; 189 asyc->set.scaler = true; 190 } 191 } else 192 if (property == disp->dithering_mode) { 193 if (asyc->dither.mode != val) { 194 asyc->dither.mode = val; 195 asyc->set.dither = true; 196 } 197 } else 198 if (property == disp->dithering_depth) { 199 if (asyc->dither.mode != val) { 200 asyc->dither.depth = val; 201 asyc->set.dither = true; 202 } 203 } else 204 if (property == disp->vibrant_hue_property) { 205 if (asyc->procamp.vibrant_hue != val) { 206 asyc->procamp.vibrant_hue = val; 207 asyc->set.procamp = true; 208 } 209 } else 210 if (property == disp->color_vibrance_property) { 211 if (asyc->procamp.color_vibrance != val) { 212 asyc->procamp.color_vibrance = val; 213 asyc->set.procamp = true; 214 } 215 } else { 216 return -EINVAL; 217 } 218 219 return 0; 220 } 221 222 void 223 nouveau_conn_atomic_destroy_state(struct drm_connector *connector, 224 struct drm_connector_state *state) 225 { 226 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 227 __drm_atomic_helper_connector_destroy_state(&asyc->state); 228 kfree(asyc); 229 } 230 231 struct drm_connector_state * 232 nouveau_conn_atomic_duplicate_state(struct drm_connector *connector) 233 { 234 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state); 235 struct nouveau_conn_atom *asyc; 236 if (!(asyc = kmalloc(sizeof(*asyc), GFP_KERNEL))) 237 return NULL; 238 __drm_atomic_helper_connector_duplicate_state(connector, &asyc->state); 239 asyc->dither = armc->dither; 240 asyc->scaler = armc->scaler; 241 asyc->procamp = armc->procamp; 242 asyc->set.mask = 0; 243 return &asyc->state; 244 } 245 246 void 247 nouveau_conn_reset(struct drm_connector *connector) 248 { 249 struct nouveau_conn_atom *asyc; 250 251 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL)))) 252 return; 253 254 if (connector->state) 255 nouveau_conn_atomic_destroy_state(connector, connector->state); 256 __drm_atomic_helper_connector_reset(connector, &asyc->state); 257 asyc->dither.mode = DITHERING_MODE_AUTO; 258 asyc->dither.depth = DITHERING_DEPTH_AUTO; 259 asyc->scaler.mode = DRM_MODE_SCALE_NONE; 260 asyc->scaler.underscan.mode = UNDERSCAN_OFF; 261 asyc->procamp.color_vibrance = 150; 262 asyc->procamp.vibrant_hue = 90; 263 264 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) { 265 switch (connector->connector_type) { 266 case DRM_MODE_CONNECTOR_LVDS: 267 /* See note in nouveau_conn_atomic_set_property(). */ 268 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN; 269 break; 270 default: 271 break; 272 } 273 } 274 } 275 276 void 277 nouveau_conn_attach_properties(struct drm_connector *connector) 278 { 279 struct drm_device *dev = connector->dev; 280 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state); 281 struct nouveau_display *disp = nouveau_display(dev); 282 283 /* Init DVI-I specific properties. */ 284 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) 285 drm_object_attach_property(&connector->base, dev->mode_config. 286 dvi_i_subconnector_property, 0); 287 288 /* Add overscan compensation options to digital outputs. */ 289 if (disp->underscan_property && 290 (connector->connector_type == DRM_MODE_CONNECTOR_DVID || 291 connector->connector_type == DRM_MODE_CONNECTOR_DVII || 292 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 293 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) { 294 drm_object_attach_property(&connector->base, 295 disp->underscan_property, 296 UNDERSCAN_OFF); 297 drm_object_attach_property(&connector->base, 298 disp->underscan_hborder_property, 0); 299 drm_object_attach_property(&connector->base, 300 disp->underscan_vborder_property, 0); 301 } 302 303 /* Add hue and saturation options. */ 304 if (disp->vibrant_hue_property) 305 drm_object_attach_property(&connector->base, 306 disp->vibrant_hue_property, 307 armc->procamp.vibrant_hue); 308 if (disp->color_vibrance_property) 309 drm_object_attach_property(&connector->base, 310 disp->color_vibrance_property, 311 armc->procamp.color_vibrance); 312 313 /* Scaling mode property. */ 314 switch (connector->connector_type) { 315 case DRM_MODE_CONNECTOR_TV: 316 break; 317 case DRM_MODE_CONNECTOR_VGA: 318 if (disp->disp.object.oclass < NV50_DISP) 319 break; /* Can only scale on DFPs. */ 320 /* Fall-through. */ 321 default: 322 drm_object_attach_property(&connector->base, dev->mode_config. 323 scaling_mode_property, 324 armc->scaler.mode); 325 break; 326 } 327 328 /* Dithering properties. */ 329 switch (connector->connector_type) { 330 case DRM_MODE_CONNECTOR_TV: 331 case DRM_MODE_CONNECTOR_VGA: 332 break; 333 default: 334 if (disp->dithering_mode) { 335 drm_object_attach_property(&connector->base, 336 disp->dithering_mode, 337 armc->dither.mode); 338 } 339 if (disp->dithering_depth) { 340 drm_object_attach_property(&connector->base, 341 disp->dithering_depth, 342 armc->dither.depth); 343 } 344 break; 345 } 346 } 347 348 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); 349 int nouveau_tv_disable = 0; 350 module_param_named(tv_disable, nouveau_tv_disable, int, 0400); 351 352 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status"); 353 int nouveau_ignorelid = 0; 354 module_param_named(ignorelid, nouveau_ignorelid, int, 0400); 355 356 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); 357 int nouveau_duallink = 1; 358 module_param_named(duallink, nouveau_duallink, int, 0400); 359 360 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)"); 361 int nouveau_hdmimhz = 0; 362 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400); 363 364 struct nouveau_encoder * 365 find_encoder(struct drm_connector *connector, int type) 366 { 367 struct nouveau_encoder *nv_encoder; 368 struct drm_encoder *enc; 369 int i; 370 371 drm_connector_for_each_possible_encoder(connector, enc, i) { 372 nv_encoder = nouveau_encoder(enc); 373 374 if (type == DCB_OUTPUT_ANY || 375 (nv_encoder->dcb && nv_encoder->dcb->type == type)) 376 return nv_encoder; 377 } 378 379 return NULL; 380 } 381 382 struct nouveau_connector * 383 nouveau_encoder_connector_get(struct nouveau_encoder *encoder) 384 { 385 struct drm_device *dev = to_drm_encoder(encoder)->dev; 386 struct drm_connector *drm_connector; 387 388 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { 389 if (drm_connector->encoder == to_drm_encoder(encoder)) 390 return nouveau_connector(drm_connector); 391 } 392 393 return NULL; 394 } 395 396 static void 397 nouveau_connector_destroy(struct drm_connector *connector) 398 { 399 struct nouveau_connector *nv_connector = nouveau_connector(connector); 400 nvif_notify_fini(&nv_connector->hpd); 401 kfree(nv_connector->edid); 402 drm_connector_unregister(connector); 403 drm_connector_cleanup(connector); 404 if (nv_connector->aux.transfer) { 405 drm_dp_cec_unregister_connector(&nv_connector->aux); 406 drm_dp_aux_unregister(&nv_connector->aux); 407 kfree(nv_connector->aux.name); 408 } 409 kfree(connector); 410 } 411 412 static struct nouveau_encoder * 413 nouveau_connector_ddc_detect(struct drm_connector *connector) 414 { 415 struct drm_device *dev = connector->dev; 416 struct nouveau_encoder *nv_encoder = NULL, *found = NULL; 417 struct drm_encoder *encoder; 418 int i, ret; 419 bool switcheroo_ddc = false; 420 421 drm_connector_for_each_possible_encoder(connector, encoder, i) { 422 nv_encoder = nouveau_encoder(encoder); 423 424 switch (nv_encoder->dcb->type) { 425 case DCB_OUTPUT_DP: 426 ret = nouveau_dp_detect(nv_encoder); 427 if (ret == NOUVEAU_DP_MST) 428 return NULL; 429 else if (ret == NOUVEAU_DP_SST) 430 found = nv_encoder; 431 432 break; 433 case DCB_OUTPUT_LVDS: 434 switcheroo_ddc = !!(vga_switcheroo_handler_flags() & 435 VGA_SWITCHEROO_CAN_SWITCH_DDC); 436 /* fall-through */ 437 default: 438 if (!nv_encoder->i2c) 439 break; 440 441 if (switcheroo_ddc) 442 vga_switcheroo_lock_ddc(dev->pdev); 443 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 444 found = nv_encoder; 445 if (switcheroo_ddc) 446 vga_switcheroo_unlock_ddc(dev->pdev); 447 448 break; 449 } 450 if (found) 451 break; 452 } 453 454 return found; 455 } 456 457 static struct nouveau_encoder * 458 nouveau_connector_of_detect(struct drm_connector *connector) 459 { 460 #ifdef __powerpc__ 461 struct drm_device *dev = connector->dev; 462 struct nouveau_connector *nv_connector = nouveau_connector(connector); 463 struct nouveau_encoder *nv_encoder; 464 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); 465 466 if (!dn || 467 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 468 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 469 return NULL; 470 471 for_each_child_of_node(dn, cn) { 472 const char *name = of_get_property(cn, "name", NULL); 473 const void *edid = of_get_property(cn, "EDID", NULL); 474 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 475 476 if (nv_encoder->dcb->i2c_index == idx && edid) { 477 nv_connector->edid = 478 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 479 of_node_put(cn); 480 return nv_encoder; 481 } 482 } 483 #endif 484 return NULL; 485 } 486 487 static void 488 nouveau_connector_set_encoder(struct drm_connector *connector, 489 struct nouveau_encoder *nv_encoder) 490 { 491 struct nouveau_connector *nv_connector = nouveau_connector(connector); 492 struct nouveau_drm *drm = nouveau_drm(connector->dev); 493 struct drm_device *dev = connector->dev; 494 495 if (nv_connector->detected_encoder == nv_encoder) 496 return; 497 nv_connector->detected_encoder = nv_encoder; 498 499 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 500 connector->interlace_allowed = true; 501 connector->doublescan_allowed = true; 502 } else 503 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 504 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 505 connector->doublescan_allowed = false; 506 connector->interlace_allowed = false; 507 } else { 508 connector->doublescan_allowed = true; 509 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN || 510 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 511 (dev->pdev->device & 0x0ff0) != 0x0100 && 512 (dev->pdev->device & 0x0ff0) != 0x0150)) 513 /* HW is broken */ 514 connector->interlace_allowed = false; 515 else 516 connector->interlace_allowed = true; 517 } 518 519 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 520 drm_object_property_set_value(&connector->base, 521 dev->mode_config.dvi_i_subconnector_property, 522 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 523 DRM_MODE_SUBCONNECTOR_DVID : 524 DRM_MODE_SUBCONNECTOR_DVIA); 525 } 526 } 527 528 static enum drm_connector_status 529 nouveau_connector_detect(struct drm_connector *connector, bool force) 530 { 531 struct drm_device *dev = connector->dev; 532 struct nouveau_drm *drm = nouveau_drm(dev); 533 struct nouveau_connector *nv_connector = nouveau_connector(connector); 534 struct nouveau_encoder *nv_encoder = NULL; 535 struct nouveau_encoder *nv_partner; 536 struct i2c_adapter *i2c; 537 int type; 538 int ret; 539 enum drm_connector_status conn_status = connector_status_disconnected; 540 541 /* Cleanup the previous EDID block. */ 542 if (nv_connector->edid) { 543 drm_connector_update_edid_property(connector, NULL); 544 kfree(nv_connector->edid); 545 nv_connector->edid = NULL; 546 } 547 548 /* Outputs are only polled while runtime active, so resuming the 549 * device here is unnecessary (and would deadlock upon runtime suspend 550 * because it waits for polling to finish). We do however, want to 551 * prevent the autosuspend timer from elapsing during this operation 552 * if possible. 553 */ 554 if (drm_kms_helper_is_poll_worker()) { 555 pm_runtime_get_noresume(dev->dev); 556 } else { 557 ret = pm_runtime_get_sync(dev->dev); 558 if (ret < 0 && ret != -EACCES) 559 return conn_status; 560 } 561 562 nv_encoder = nouveau_connector_ddc_detect(connector); 563 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 564 if ((vga_switcheroo_handler_flags() & 565 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 566 nv_connector->type == DCB_CONNECTOR_LVDS) 567 nv_connector->edid = drm_get_edid_switcheroo(connector, 568 i2c); 569 else 570 nv_connector->edid = drm_get_edid(connector, i2c); 571 572 drm_connector_update_edid_property(connector, 573 nv_connector->edid); 574 if (!nv_connector->edid) { 575 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 576 connector->name); 577 goto detect_analog; 578 } 579 580 /* Override encoder type for DVI-I based on whether EDID 581 * says the display is digital or analog, both use the 582 * same i2c channel so the value returned from ddc_detect 583 * isn't necessarily correct. 584 */ 585 nv_partner = NULL; 586 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 587 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 588 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 589 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 590 591 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 592 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 593 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 594 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 595 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 596 type = DCB_OUTPUT_TMDS; 597 else 598 type = DCB_OUTPUT_ANALOG; 599 600 nv_encoder = find_encoder(connector, type); 601 } 602 603 nouveau_connector_set_encoder(connector, nv_encoder); 604 conn_status = connector_status_connected; 605 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); 606 goto out; 607 } 608 609 nv_encoder = nouveau_connector_of_detect(connector); 610 if (nv_encoder) { 611 nouveau_connector_set_encoder(connector, nv_encoder); 612 conn_status = connector_status_connected; 613 goto out; 614 } 615 616 detect_analog: 617 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 618 if (!nv_encoder && !nouveau_tv_disable) 619 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 620 if (nv_encoder && force) { 621 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 622 const struct drm_encoder_helper_funcs *helper = 623 encoder->helper_private; 624 625 if (helper->detect(encoder, connector) == 626 connector_status_connected) { 627 nouveau_connector_set_encoder(connector, nv_encoder); 628 conn_status = connector_status_connected; 629 goto out; 630 } 631 632 } 633 634 out: 635 636 pm_runtime_mark_last_busy(dev->dev); 637 pm_runtime_put_autosuspend(dev->dev); 638 639 return conn_status; 640 } 641 642 static enum drm_connector_status 643 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 644 { 645 struct drm_device *dev = connector->dev; 646 struct nouveau_drm *drm = nouveau_drm(dev); 647 struct nouveau_connector *nv_connector = nouveau_connector(connector); 648 struct nouveau_encoder *nv_encoder = NULL; 649 enum drm_connector_status status = connector_status_disconnected; 650 651 /* Cleanup the previous EDID block. */ 652 if (nv_connector->edid) { 653 drm_connector_update_edid_property(connector, NULL); 654 kfree(nv_connector->edid); 655 nv_connector->edid = NULL; 656 } 657 658 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 659 if (!nv_encoder) 660 return connector_status_disconnected; 661 662 /* Try retrieving EDID via DDC */ 663 if (!drm->vbios.fp_no_ddc) { 664 status = nouveau_connector_detect(connector, force); 665 if (status == connector_status_connected) 666 goto out; 667 } 668 669 /* On some laptops (Sony, i'm looking at you) there appears to 670 * be no direct way of accessing the panel's EDID. The only 671 * option available to us appears to be to ask ACPI for help.. 672 * 673 * It's important this check's before trying straps, one of the 674 * said manufacturer's laptops are configured in such a way 675 * the nouveau decides an entry in the VBIOS FP mode table is 676 * valid - it's not (rh#613284) 677 */ 678 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 679 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 680 status = connector_status_connected; 681 goto out; 682 } 683 } 684 685 /* If no EDID found above, and the VBIOS indicates a hardcoded 686 * modeline is avalilable for the panel, set it as the panel's 687 * native mode and exit. 688 */ 689 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 690 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 691 status = connector_status_connected; 692 goto out; 693 } 694 695 /* Still nothing, some VBIOS images have a hardcoded EDID block 696 * stored for the panel stored in them. 697 */ 698 if (!drm->vbios.fp_no_ddc) { 699 struct edid *edid = 700 (struct edid *)nouveau_bios_embedded_edid(dev); 701 if (edid) { 702 nv_connector->edid = 703 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 704 if (nv_connector->edid) 705 status = connector_status_connected; 706 } 707 } 708 709 out: 710 #if defined(CONFIG_ACPI_BUTTON) || \ 711 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 712 if (status == connector_status_connected && 713 !nouveau_ignorelid && !acpi_lid_open()) 714 status = connector_status_unknown; 715 #endif 716 717 drm_connector_update_edid_property(connector, nv_connector->edid); 718 nouveau_connector_set_encoder(connector, nv_encoder); 719 return status; 720 } 721 722 static void 723 nouveau_connector_force(struct drm_connector *connector) 724 { 725 struct nouveau_drm *drm = nouveau_drm(connector->dev); 726 struct nouveau_connector *nv_connector = nouveau_connector(connector); 727 struct nouveau_encoder *nv_encoder; 728 int type; 729 730 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 731 if (connector->force == DRM_FORCE_ON_DIGITAL) 732 type = DCB_OUTPUT_TMDS; 733 else 734 type = DCB_OUTPUT_ANALOG; 735 } else 736 type = DCB_OUTPUT_ANY; 737 738 nv_encoder = find_encoder(connector, type); 739 if (!nv_encoder) { 740 NV_ERROR(drm, "can't find encoder to force %s on!\n", 741 connector->name); 742 connector->status = connector_status_disconnected; 743 return; 744 } 745 746 nouveau_connector_set_encoder(connector, nv_encoder); 747 } 748 749 static int 750 nouveau_connector_set_property(struct drm_connector *connector, 751 struct drm_property *property, uint64_t value) 752 { 753 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state); 754 struct nouveau_connector *nv_connector = nouveau_connector(connector); 755 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 756 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 757 int ret; 758 759 ret = connector->funcs->atomic_set_property(&nv_connector->base, 760 &asyc->state, 761 property, value); 762 if (ret) { 763 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 764 return get_slave_funcs(encoder)->set_property( 765 encoder, connector, property, value); 766 return ret; 767 } 768 769 nv_connector->scaling_mode = asyc->scaler.mode; 770 nv_connector->dithering_mode = asyc->dither.mode; 771 772 if (connector->encoder && connector->encoder->crtc) { 773 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 774 &connector->encoder->crtc->mode, 775 connector->encoder->crtc->x, 776 connector->encoder->crtc->y, 777 NULL); 778 if (!ret) 779 return -EINVAL; 780 } 781 782 return 0; 783 } 784 785 struct moderec { 786 int hdisplay; 787 int vdisplay; 788 }; 789 790 static struct moderec scaler_modes[] = { 791 { 1920, 1200 }, 792 { 1920, 1080 }, 793 { 1680, 1050 }, 794 { 1600, 1200 }, 795 { 1400, 1050 }, 796 { 1280, 1024 }, 797 { 1280, 960 }, 798 { 1152, 864 }, 799 { 1024, 768 }, 800 { 800, 600 }, 801 { 720, 400 }, 802 { 640, 480 }, 803 { 640, 400 }, 804 { 640, 350 }, 805 {} 806 }; 807 808 static int 809 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 810 { 811 struct nouveau_connector *nv_connector = nouveau_connector(connector); 812 struct drm_display_mode *native = nv_connector->native_mode, *m; 813 struct drm_device *dev = connector->dev; 814 struct moderec *mode = &scaler_modes[0]; 815 int modes = 0; 816 817 if (!native) 818 return 0; 819 820 while (mode->hdisplay) { 821 if (mode->hdisplay <= native->hdisplay && 822 mode->vdisplay <= native->vdisplay && 823 (mode->hdisplay != native->hdisplay || 824 mode->vdisplay != native->vdisplay)) { 825 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 826 drm_mode_vrefresh(native), false, 827 false, false); 828 if (!m) 829 continue; 830 831 drm_mode_probed_add(connector, m); 832 modes++; 833 } 834 835 mode++; 836 } 837 838 return modes; 839 } 840 841 static void 842 nouveau_connector_detect_depth(struct drm_connector *connector) 843 { 844 struct nouveau_drm *drm = nouveau_drm(connector->dev); 845 struct nouveau_connector *nv_connector = nouveau_connector(connector); 846 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 847 struct nvbios *bios = &drm->vbios; 848 struct drm_display_mode *mode = nv_connector->native_mode; 849 bool duallink; 850 851 /* if the edid is feeling nice enough to provide this info, use it */ 852 if (nv_connector->edid && connector->display_info.bpc) 853 return; 854 855 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 856 if (nv_connector->type == DCB_CONNECTOR_eDP) { 857 connector->display_info.bpc = 6; 858 return; 859 } 860 861 /* we're out of options unless we're LVDS, default to 8bpc */ 862 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 863 connector->display_info.bpc = 8; 864 return; 865 } 866 867 connector->display_info.bpc = 6; 868 869 /* LVDS: panel straps */ 870 if (bios->fp_no_ddc) { 871 if (bios->fp.if_is_24bit) 872 connector->display_info.bpc = 8; 873 return; 874 } 875 876 /* LVDS: DDC panel, need to first determine the number of links to 877 * know which if_is_24bit flag to check... 878 */ 879 if (nv_connector->edid && 880 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 881 duallink = ((u8 *)nv_connector->edid)[121] == 2; 882 else 883 duallink = mode->clock >= bios->fp.duallink_transition_clk; 884 885 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 886 ( duallink && (bios->fp.strapless_is_24bit & 2))) 887 connector->display_info.bpc = 8; 888 } 889 890 static int 891 nouveau_connector_late_register(struct drm_connector *connector) 892 { 893 int ret; 894 895 ret = nouveau_backlight_init(connector); 896 897 return ret; 898 } 899 900 static void 901 nouveau_connector_early_unregister(struct drm_connector *connector) 902 { 903 nouveau_backlight_fini(connector); 904 } 905 906 static int 907 nouveau_connector_get_modes(struct drm_connector *connector) 908 { 909 struct drm_device *dev = connector->dev; 910 struct nouveau_drm *drm = nouveau_drm(dev); 911 struct nouveau_connector *nv_connector = nouveau_connector(connector); 912 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 913 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 914 int ret = 0; 915 916 /* destroy the native mode, the attached monitor could have changed. 917 */ 918 if (nv_connector->native_mode) { 919 drm_mode_destroy(dev, nv_connector->native_mode); 920 nv_connector->native_mode = NULL; 921 } 922 923 if (nv_connector->edid) 924 ret = drm_add_edid_modes(connector, nv_connector->edid); 925 else 926 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 927 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 928 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 929 struct drm_display_mode mode; 930 931 nouveau_bios_fp_mode(dev, &mode); 932 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 933 } 934 935 /* Determine display colour depth for everything except LVDS now, 936 * DP requires this before mode_valid() is called. 937 */ 938 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 939 nouveau_connector_detect_depth(connector); 940 941 /* Find the native mode if this is a digital panel, if we didn't 942 * find any modes through DDC previously add the native mode to 943 * the list of modes. 944 */ 945 if (!nv_connector->native_mode) 946 nv_connector->native_mode = nouveau_conn_native_mode(connector); 947 if (ret == 0 && nv_connector->native_mode) { 948 struct drm_display_mode *mode; 949 950 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 951 drm_mode_probed_add(connector, mode); 952 ret = 1; 953 } 954 955 /* Determine LVDS colour depth, must happen after determining 956 * "native" mode as some VBIOS tables require us to use the 957 * pixel clock as part of the lookup... 958 */ 959 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 960 nouveau_connector_detect_depth(connector); 961 962 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 963 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 964 965 if (nv_connector->type == DCB_CONNECTOR_LVDS || 966 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 967 nv_connector->type == DCB_CONNECTOR_eDP) 968 ret += nouveau_connector_scaler_modes_add(connector); 969 970 return ret; 971 } 972 973 static unsigned 974 get_tmds_link_bandwidth(struct drm_connector *connector) 975 { 976 struct nouveau_connector *nv_connector = nouveau_connector(connector); 977 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 978 struct nouveau_drm *drm = nouveau_drm(connector->dev); 979 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 980 struct drm_display_info *info = NULL; 981 unsigned duallink_scale = 982 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1; 983 984 if (drm_detect_hdmi_monitor(nv_connector->edid)) { 985 info = &nv_connector->base.display_info; 986 duallink_scale = 1; 987 } 988 989 if (info) { 990 if (nouveau_hdmimhz > 0) 991 return nouveau_hdmimhz * 1000; 992 /* Note: these limits are conservative, some Fermi's 993 * can do 297 MHz. Unclear how this can be determined. 994 */ 995 if (drm->client.device.info.chipset >= 0x120) { 996 const int max_tmds_clock = 997 info->hdmi.scdc.scrambling.supported ? 998 594000 : 340000; 999 return info->max_tmds_clock ? 1000 min(info->max_tmds_clock, max_tmds_clock) : 1001 max_tmds_clock; 1002 } 1003 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 1004 return 297000; 1005 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 1006 return 225000; 1007 } 1008 1009 if (dcb->location != DCB_LOC_ON_CHIP || 1010 drm->client.device.info.chipset >= 0x46) 1011 return 165000 * duallink_scale; 1012 else if (drm->client.device.info.chipset >= 0x40) 1013 return 155000 * duallink_scale; 1014 else if (drm->client.device.info.chipset >= 0x18) 1015 return 135000 * duallink_scale; 1016 else 1017 return 112000 * duallink_scale; 1018 } 1019 1020 static enum drm_mode_status 1021 nouveau_connector_mode_valid(struct drm_connector *connector, 1022 struct drm_display_mode *mode) 1023 { 1024 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1025 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1026 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1027 unsigned min_clock = 25000, max_clock = min_clock; 1028 unsigned clock = mode->clock; 1029 1030 switch (nv_encoder->dcb->type) { 1031 case DCB_OUTPUT_LVDS: 1032 if (nv_connector->native_mode && 1033 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1034 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1035 return MODE_PANEL; 1036 1037 min_clock = 0; 1038 max_clock = 400000; 1039 break; 1040 case DCB_OUTPUT_TMDS: 1041 max_clock = get_tmds_link_bandwidth(connector); 1042 break; 1043 case DCB_OUTPUT_ANALOG: 1044 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1045 if (!max_clock) 1046 max_clock = 350000; 1047 break; 1048 case DCB_OUTPUT_TV: 1049 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1050 case DCB_OUTPUT_DP: 1051 max_clock = nv_encoder->dp.link_nr; 1052 max_clock *= nv_encoder->dp.link_bw; 1053 clock = clock * (connector->display_info.bpc * 3) / 10; 1054 break; 1055 default: 1056 BUG(); 1057 return MODE_BAD; 1058 } 1059 1060 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1061 clock *= 2; 1062 1063 if (clock < min_clock) 1064 return MODE_CLOCK_LOW; 1065 1066 if (clock > max_clock) 1067 return MODE_CLOCK_HIGH; 1068 1069 return MODE_OK; 1070 } 1071 1072 static struct drm_encoder * 1073 nouveau_connector_best_encoder(struct drm_connector *connector) 1074 { 1075 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1076 1077 if (nv_connector->detected_encoder) 1078 return to_drm_encoder(nv_connector->detected_encoder); 1079 1080 return NULL; 1081 } 1082 1083 static const struct drm_connector_helper_funcs 1084 nouveau_connector_helper_funcs = { 1085 .get_modes = nouveau_connector_get_modes, 1086 .mode_valid = nouveau_connector_mode_valid, 1087 .best_encoder = nouveau_connector_best_encoder, 1088 }; 1089 1090 static const struct drm_connector_funcs 1091 nouveau_connector_funcs = { 1092 .dpms = drm_helper_connector_dpms, 1093 .reset = nouveau_conn_reset, 1094 .detect = nouveau_connector_detect, 1095 .force = nouveau_connector_force, 1096 .fill_modes = drm_helper_probe_single_connector_modes, 1097 .set_property = nouveau_connector_set_property, 1098 .destroy = nouveau_connector_destroy, 1099 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1100 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1101 .atomic_set_property = nouveau_conn_atomic_set_property, 1102 .atomic_get_property = nouveau_conn_atomic_get_property, 1103 .late_register = nouveau_connector_late_register, 1104 .early_unregister = nouveau_connector_early_unregister, 1105 }; 1106 1107 static const struct drm_connector_funcs 1108 nouveau_connector_funcs_lvds = { 1109 .dpms = drm_helper_connector_dpms, 1110 .reset = nouveau_conn_reset, 1111 .detect = nouveau_connector_detect_lvds, 1112 .force = nouveau_connector_force, 1113 .fill_modes = drm_helper_probe_single_connector_modes, 1114 .set_property = nouveau_connector_set_property, 1115 .destroy = nouveau_connector_destroy, 1116 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1117 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1118 .atomic_set_property = nouveau_conn_atomic_set_property, 1119 .atomic_get_property = nouveau_conn_atomic_get_property, 1120 .late_register = nouveau_connector_late_register, 1121 .early_unregister = nouveau_connector_early_unregister, 1122 }; 1123 1124 static int 1125 nouveau_connector_hotplug(struct nvif_notify *notify) 1126 { 1127 struct nouveau_connector *nv_connector = 1128 container_of(notify, typeof(*nv_connector), hpd); 1129 struct drm_connector *connector = &nv_connector->base; 1130 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1131 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1132 const char *name = connector->name; 1133 struct nouveau_encoder *nv_encoder; 1134 int ret; 1135 1136 ret = pm_runtime_get(drm->dev->dev); 1137 if (ret == 0) { 1138 /* We can't block here if there's a pending PM request 1139 * running, as we'll deadlock nouveau_display_fini() when it 1140 * calls nvif_put() on our nvif_notify struct. So, simply 1141 * defer the hotplug event until the device finishes resuming 1142 */ 1143 NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n", 1144 name); 1145 schedule_work(&drm->hpd_work); 1146 1147 pm_runtime_put_noidle(drm->dev->dev); 1148 return NVIF_NOTIFY_KEEP; 1149 } else if (ret != 1 && ret != -EACCES) { 1150 NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n", 1151 name, ret); 1152 return NVIF_NOTIFY_DROP; 1153 } 1154 1155 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1156 NV_DEBUG(drm, "service %s\n", name); 1157 drm_dp_cec_irq(&nv_connector->aux); 1158 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1159 nv50_mstm_service(nv_encoder->dp.mstm); 1160 } else { 1161 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1162 1163 if (!plugged) 1164 drm_dp_cec_unset_edid(&nv_connector->aux); 1165 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1166 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1167 if (!plugged) 1168 nv50_mstm_remove(nv_encoder->dp.mstm); 1169 } 1170 1171 drm_helper_hpd_irq_event(connector->dev); 1172 } 1173 1174 pm_runtime_mark_last_busy(drm->dev->dev); 1175 pm_runtime_put_autosuspend(drm->dev->dev); 1176 return NVIF_NOTIFY_KEEP; 1177 } 1178 1179 static ssize_t 1180 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1181 { 1182 struct nouveau_connector *nv_connector = 1183 container_of(obj, typeof(*nv_connector), aux); 1184 struct nouveau_encoder *nv_encoder; 1185 struct nvkm_i2c_aux *aux; 1186 u8 size = msg->size; 1187 int ret; 1188 1189 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1190 if (!nv_encoder || !(aux = nv_encoder->aux)) 1191 return -ENODEV; 1192 if (WARN_ON(msg->size > 16)) 1193 return -E2BIG; 1194 1195 ret = nvkm_i2c_aux_acquire(aux); 1196 if (ret) 1197 return ret; 1198 1199 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1200 msg->buffer, &size); 1201 nvkm_i2c_aux_release(aux); 1202 if (ret >= 0) { 1203 msg->reply = ret; 1204 return size; 1205 } 1206 1207 return ret; 1208 } 1209 1210 static int 1211 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1212 { 1213 switch (dcb) { 1214 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1215 case DCB_CONNECTOR_TV_0 : 1216 case DCB_CONNECTOR_TV_1 : 1217 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1218 case DCB_CONNECTOR_DMS59_0 : 1219 case DCB_CONNECTOR_DMS59_1 : 1220 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1221 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1222 case DCB_CONNECTOR_LVDS : 1223 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1224 case DCB_CONNECTOR_DMS59_DP0: 1225 case DCB_CONNECTOR_DMS59_DP1: 1226 case DCB_CONNECTOR_DP : 1227 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort; 1228 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1229 case DCB_CONNECTOR_HDMI_0 : 1230 case DCB_CONNECTOR_HDMI_1 : 1231 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1232 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1233 default: 1234 break; 1235 } 1236 1237 return DRM_MODE_CONNECTOR_Unknown; 1238 } 1239 1240 struct drm_connector * 1241 nouveau_connector_create(struct drm_device *dev, 1242 const struct dcb_output *dcbe) 1243 { 1244 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1245 struct nouveau_drm *drm = nouveau_drm(dev); 1246 struct nouveau_display *disp = nouveau_display(dev); 1247 struct nouveau_connector *nv_connector = NULL; 1248 struct drm_connector *connector; 1249 struct drm_connector_list_iter conn_iter; 1250 char aux_name[48] = {0}; 1251 int index = dcbe->connector; 1252 int type, ret = 0; 1253 bool dummy; 1254 1255 drm_connector_list_iter_begin(dev, &conn_iter); 1256 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1257 nv_connector = nouveau_connector(connector); 1258 if (nv_connector->index == index) { 1259 drm_connector_list_iter_end(&conn_iter); 1260 return connector; 1261 } 1262 } 1263 drm_connector_list_iter_end(&conn_iter); 1264 1265 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1266 if (!nv_connector) 1267 return ERR_PTR(-ENOMEM); 1268 1269 connector = &nv_connector->base; 1270 nv_connector->index = index; 1271 1272 /* attempt to parse vbios connector type and hotplug gpio */ 1273 nv_connector->dcb = olddcb_conn(dev, index); 1274 if (nv_connector->dcb) { 1275 u32 entry = ROM16(nv_connector->dcb[0]); 1276 if (olddcb_conntab(dev)[3] >= 4) 1277 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1278 1279 nv_connector->type = nv_connector->dcb[0]; 1280 if (drm_conntype_from_dcb(nv_connector->type) == 1281 DRM_MODE_CONNECTOR_Unknown) { 1282 NV_WARN(drm, "unknown connector type %02x\n", 1283 nv_connector->type); 1284 nv_connector->type = DCB_CONNECTOR_NONE; 1285 } 1286 1287 /* Gigabyte NX85T */ 1288 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1289 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1290 nv_connector->type = DCB_CONNECTOR_DVI_I; 1291 } 1292 1293 /* Gigabyte GV-NX86T512H */ 1294 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1295 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1296 nv_connector->type = DCB_CONNECTOR_DVI_I; 1297 } 1298 } else { 1299 nv_connector->type = DCB_CONNECTOR_NONE; 1300 } 1301 1302 /* no vbios data, or an unknown dcb connector type - attempt to 1303 * figure out something suitable ourselves 1304 */ 1305 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1306 struct nouveau_drm *drm = nouveau_drm(dev); 1307 struct dcb_table *dcbt = &drm->vbios.dcb; 1308 u32 encoders = 0; 1309 int i; 1310 1311 for (i = 0; i < dcbt->entries; i++) { 1312 if (dcbt->entry[i].connector == nv_connector->index) 1313 encoders |= (1 << dcbt->entry[i].type); 1314 } 1315 1316 if (encoders & (1 << DCB_OUTPUT_DP)) { 1317 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1318 nv_connector->type = DCB_CONNECTOR_DP; 1319 else 1320 nv_connector->type = DCB_CONNECTOR_eDP; 1321 } else 1322 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1323 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1324 nv_connector->type = DCB_CONNECTOR_DVI_I; 1325 else 1326 nv_connector->type = DCB_CONNECTOR_DVI_D; 1327 } else 1328 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1329 nv_connector->type = DCB_CONNECTOR_VGA; 1330 } else 1331 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1332 nv_connector->type = DCB_CONNECTOR_LVDS; 1333 } else 1334 if (encoders & (1 << DCB_OUTPUT_TV)) { 1335 nv_connector->type = DCB_CONNECTOR_TV_0; 1336 } 1337 } 1338 1339 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1340 case DRM_MODE_CONNECTOR_LVDS: 1341 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1342 if (ret) { 1343 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1344 kfree(nv_connector); 1345 return ERR_PTR(ret); 1346 } 1347 1348 funcs = &nouveau_connector_funcs_lvds; 1349 break; 1350 case DRM_MODE_CONNECTOR_DisplayPort: 1351 case DRM_MODE_CONNECTOR_eDP: 1352 nv_connector->aux.dev = dev->dev; 1353 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1354 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x", 1355 dcbe->hasht, dcbe->hashm); 1356 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL); 1357 ret = drm_dp_aux_register(&nv_connector->aux); 1358 if (ret) { 1359 NV_ERROR(drm, "failed to register aux channel\n"); 1360 kfree(nv_connector); 1361 return ERR_PTR(ret); 1362 } 1363 funcs = &nouveau_connector_funcs; 1364 break; 1365 default: 1366 funcs = &nouveau_connector_funcs; 1367 break; 1368 } 1369 1370 /* HDMI 3D support */ 1371 if ((disp->disp.object.oclass >= G82_DISP) 1372 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1373 || (type == DRM_MODE_CONNECTOR_eDP) 1374 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1375 connector->stereo_allowed = true; 1376 1377 /* defaults, will get overridden in detect() */ 1378 connector->interlace_allowed = false; 1379 connector->doublescan_allowed = false; 1380 1381 drm_connector_init(dev, connector, funcs, type); 1382 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1383 1384 connector->funcs->reset(connector); 1385 nouveau_conn_attach_properties(connector); 1386 1387 /* Default scaling mode */ 1388 switch (nv_connector->type) { 1389 case DCB_CONNECTOR_LVDS: 1390 case DCB_CONNECTOR_LVDS_SPWG: 1391 case DCB_CONNECTOR_eDP: 1392 /* see note in nouveau_connector_set_property() */ 1393 if (disp->disp.object.oclass < NV50_DISP) { 1394 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1395 break; 1396 } 1397 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1398 break; 1399 default: 1400 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1401 break; 1402 } 1403 1404 /* dithering properties */ 1405 switch (nv_connector->type) { 1406 case DCB_CONNECTOR_TV_0: 1407 case DCB_CONNECTOR_TV_1: 1408 case DCB_CONNECTOR_TV_3: 1409 case DCB_CONNECTOR_VGA: 1410 break; 1411 default: 1412 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1413 break; 1414 } 1415 1416 switch (type) { 1417 case DRM_MODE_CONNECTOR_DisplayPort: 1418 case DRM_MODE_CONNECTOR_eDP: 1419 drm_dp_cec_register_connector(&nv_connector->aux, 1420 connector->name, dev->dev); 1421 break; 1422 } 1423 1424 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug, 1425 true, NV04_DISP_NTFY_CONN, 1426 &(struct nvif_notify_conn_req_v0) { 1427 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1428 .conn = index, 1429 }, 1430 sizeof(struct nvif_notify_conn_req_v0), 1431 sizeof(struct nvif_notify_conn_rep_v0), 1432 &nv_connector->hpd); 1433 if (ret) 1434 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1435 else 1436 connector->polled = DRM_CONNECTOR_POLL_HPD; 1437 1438 drm_connector_register(connector); 1439 return connector; 1440 } 1441