1 /* 2 * Copyright (C) 2008 Maarten Maathuis. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #include <acpi/button.h> 28 29 #include <linux/pm_runtime.h> 30 #include <linux/vga_switcheroo.h> 31 32 #include <drm/drm_atomic_helper.h> 33 #include <drm/drm_edid.h> 34 #include <drm/drm_crtc_helper.h> 35 #include <drm/drm_probe_helper.h> 36 #include <drm/drm_atomic.h> 37 38 #include "nouveau_reg.h" 39 #include "nouveau_drv.h" 40 #include "dispnv04/hw.h" 41 #include "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_connector *nv_connector = nouveau_connector(connector); 249 struct nouveau_conn_atom *asyc; 250 251 if (drm_drv_uses_atomic_modeset(connector->dev)) { 252 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL)))) 253 return; 254 255 if (connector->state) 256 nouveau_conn_atomic_destroy_state(connector, 257 connector->state); 258 259 __drm_atomic_helper_connector_reset(connector, &asyc->state); 260 } else { 261 asyc = &nv_connector->properties_state; 262 } 263 264 asyc->dither.mode = DITHERING_MODE_AUTO; 265 asyc->dither.depth = DITHERING_DEPTH_AUTO; 266 asyc->scaler.mode = DRM_MODE_SCALE_NONE; 267 asyc->scaler.underscan.mode = UNDERSCAN_OFF; 268 asyc->procamp.color_vibrance = 150; 269 asyc->procamp.vibrant_hue = 90; 270 271 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) { 272 switch (connector->connector_type) { 273 case DRM_MODE_CONNECTOR_LVDS: 274 /* See note in nouveau_conn_atomic_set_property(). */ 275 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN; 276 break; 277 default: 278 break; 279 } 280 } 281 } 282 283 void 284 nouveau_conn_attach_properties(struct drm_connector *connector) 285 { 286 struct drm_device *dev = connector->dev; 287 struct nouveau_display *disp = nouveau_display(dev); 288 struct nouveau_connector *nv_connector = nouveau_connector(connector); 289 struct nouveau_conn_atom *armc; 290 291 if (drm_drv_uses_atomic_modeset(connector->dev)) 292 armc = nouveau_conn_atom(connector->state); 293 else 294 armc = &nv_connector->properties_state; 295 296 /* Init DVI-I specific properties. */ 297 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) 298 drm_object_attach_property(&connector->base, dev->mode_config. 299 dvi_i_subconnector_property, 0); 300 301 /* Add overscan compensation options to digital outputs. */ 302 if (disp->underscan_property && 303 (connector->connector_type == DRM_MODE_CONNECTOR_DVID || 304 connector->connector_type == DRM_MODE_CONNECTOR_DVII || 305 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 306 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) { 307 drm_object_attach_property(&connector->base, 308 disp->underscan_property, 309 UNDERSCAN_OFF); 310 drm_object_attach_property(&connector->base, 311 disp->underscan_hborder_property, 0); 312 drm_object_attach_property(&connector->base, 313 disp->underscan_vborder_property, 0); 314 } 315 316 /* Add hue and saturation options. */ 317 if (disp->vibrant_hue_property) 318 drm_object_attach_property(&connector->base, 319 disp->vibrant_hue_property, 320 armc->procamp.vibrant_hue); 321 if (disp->color_vibrance_property) 322 drm_object_attach_property(&connector->base, 323 disp->color_vibrance_property, 324 armc->procamp.color_vibrance); 325 326 /* Scaling mode property. */ 327 switch (connector->connector_type) { 328 case DRM_MODE_CONNECTOR_TV: 329 break; 330 case DRM_MODE_CONNECTOR_VGA: 331 if (disp->disp.object.oclass < NV50_DISP) 332 break; /* Can only scale on DFPs. */ 333 /* Fall-through. */ 334 default: 335 drm_object_attach_property(&connector->base, dev->mode_config. 336 scaling_mode_property, 337 armc->scaler.mode); 338 break; 339 } 340 341 /* Dithering properties. */ 342 switch (connector->connector_type) { 343 case DRM_MODE_CONNECTOR_TV: 344 case DRM_MODE_CONNECTOR_VGA: 345 break; 346 default: 347 if (disp->dithering_mode) { 348 drm_object_attach_property(&connector->base, 349 disp->dithering_mode, 350 armc->dither.mode); 351 } 352 if (disp->dithering_depth) { 353 drm_object_attach_property(&connector->base, 354 disp->dithering_depth, 355 armc->dither.depth); 356 } 357 break; 358 } 359 } 360 361 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); 362 int nouveau_tv_disable = 0; 363 module_param_named(tv_disable, nouveau_tv_disable, int, 0400); 364 365 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status"); 366 int nouveau_ignorelid = 0; 367 module_param_named(ignorelid, nouveau_ignorelid, int, 0400); 368 369 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); 370 int nouveau_duallink = 1; 371 module_param_named(duallink, nouveau_duallink, int, 0400); 372 373 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)"); 374 int nouveau_hdmimhz = 0; 375 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400); 376 377 struct nouveau_encoder * 378 find_encoder(struct drm_connector *connector, int type) 379 { 380 struct nouveau_encoder *nv_encoder; 381 struct drm_encoder *enc; 382 383 drm_connector_for_each_possible_encoder(connector, enc) { 384 nv_encoder = nouveau_encoder(enc); 385 386 if (type == DCB_OUTPUT_ANY || 387 (nv_encoder->dcb && nv_encoder->dcb->type == type)) 388 return nv_encoder; 389 } 390 391 return NULL; 392 } 393 394 struct nouveau_connector * 395 nouveau_encoder_connector_get(struct nouveau_encoder *encoder) 396 { 397 struct drm_device *dev = to_drm_encoder(encoder)->dev; 398 struct drm_connector *drm_connector; 399 400 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { 401 if (drm_connector->encoder == to_drm_encoder(encoder)) 402 return nouveau_connector(drm_connector); 403 } 404 405 return NULL; 406 } 407 408 static void 409 nouveau_connector_destroy(struct drm_connector *connector) 410 { 411 struct nouveau_connector *nv_connector = nouveau_connector(connector); 412 nvif_notify_fini(&nv_connector->hpd); 413 kfree(nv_connector->edid); 414 drm_connector_unregister(connector); 415 drm_connector_cleanup(connector); 416 if (nv_connector->aux.transfer) { 417 drm_dp_cec_unregister_connector(&nv_connector->aux); 418 drm_dp_aux_unregister(&nv_connector->aux); 419 kfree(nv_connector->aux.name); 420 } 421 kfree(connector); 422 } 423 424 static struct nouveau_encoder * 425 nouveau_connector_ddc_detect(struct drm_connector *connector) 426 { 427 struct drm_device *dev = connector->dev; 428 struct nouveau_encoder *nv_encoder = NULL, *found = NULL; 429 struct drm_encoder *encoder; 430 int ret; 431 bool switcheroo_ddc = false; 432 433 drm_connector_for_each_possible_encoder(connector, encoder) { 434 nv_encoder = nouveau_encoder(encoder); 435 436 switch (nv_encoder->dcb->type) { 437 case DCB_OUTPUT_DP: 438 ret = nouveau_dp_detect(nv_encoder); 439 if (ret == NOUVEAU_DP_MST) 440 return NULL; 441 else if (ret == NOUVEAU_DP_SST) 442 found = nv_encoder; 443 444 break; 445 case DCB_OUTPUT_LVDS: 446 switcheroo_ddc = !!(vga_switcheroo_handler_flags() & 447 VGA_SWITCHEROO_CAN_SWITCH_DDC); 448 /* fall-through */ 449 default: 450 if (!nv_encoder->i2c) 451 break; 452 453 if (switcheroo_ddc) 454 vga_switcheroo_lock_ddc(dev->pdev); 455 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 456 found = nv_encoder; 457 if (switcheroo_ddc) 458 vga_switcheroo_unlock_ddc(dev->pdev); 459 460 break; 461 } 462 if (found) 463 break; 464 } 465 466 return found; 467 } 468 469 static struct nouveau_encoder * 470 nouveau_connector_of_detect(struct drm_connector *connector) 471 { 472 #ifdef __powerpc__ 473 struct drm_device *dev = connector->dev; 474 struct nouveau_connector *nv_connector = nouveau_connector(connector); 475 struct nouveau_encoder *nv_encoder; 476 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); 477 478 if (!dn || 479 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 480 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 481 return NULL; 482 483 for_each_child_of_node(dn, cn) { 484 const char *name = of_get_property(cn, "name", NULL); 485 const void *edid = of_get_property(cn, "EDID", NULL); 486 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 487 488 if (nv_encoder->dcb->i2c_index == idx && edid) { 489 nv_connector->edid = 490 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 491 of_node_put(cn); 492 return nv_encoder; 493 } 494 } 495 #endif 496 return NULL; 497 } 498 499 static void 500 nouveau_connector_set_encoder(struct drm_connector *connector, 501 struct nouveau_encoder *nv_encoder) 502 { 503 struct nouveau_connector *nv_connector = nouveau_connector(connector); 504 struct nouveau_drm *drm = nouveau_drm(connector->dev); 505 struct drm_device *dev = connector->dev; 506 507 if (nv_connector->detected_encoder == nv_encoder) 508 return; 509 nv_connector->detected_encoder = nv_encoder; 510 511 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 512 connector->interlace_allowed = true; 513 connector->doublescan_allowed = true; 514 } else 515 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 516 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 517 connector->doublescan_allowed = false; 518 connector->interlace_allowed = false; 519 } else { 520 connector->doublescan_allowed = true; 521 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN || 522 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 523 (dev->pdev->device & 0x0ff0) != 0x0100 && 524 (dev->pdev->device & 0x0ff0) != 0x0150)) 525 /* HW is broken */ 526 connector->interlace_allowed = false; 527 else 528 connector->interlace_allowed = true; 529 } 530 531 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 532 drm_object_property_set_value(&connector->base, 533 dev->mode_config.dvi_i_subconnector_property, 534 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 535 DRM_MODE_SUBCONNECTOR_DVID : 536 DRM_MODE_SUBCONNECTOR_DVIA); 537 } 538 } 539 540 static enum drm_connector_status 541 nouveau_connector_detect(struct drm_connector *connector, bool force) 542 { 543 struct drm_device *dev = connector->dev; 544 struct nouveau_drm *drm = nouveau_drm(dev); 545 struct nouveau_connector *nv_connector = nouveau_connector(connector); 546 struct nouveau_encoder *nv_encoder = NULL; 547 struct nouveau_encoder *nv_partner; 548 struct i2c_adapter *i2c; 549 int type; 550 int ret; 551 enum drm_connector_status conn_status = connector_status_disconnected; 552 553 /* Cleanup the previous EDID block. */ 554 if (nv_connector->edid) { 555 drm_connector_update_edid_property(connector, NULL); 556 kfree(nv_connector->edid); 557 nv_connector->edid = NULL; 558 } 559 560 /* Outputs are only polled while runtime active, so resuming the 561 * device here is unnecessary (and would deadlock upon runtime suspend 562 * because it waits for polling to finish). We do however, want to 563 * prevent the autosuspend timer from elapsing during this operation 564 * if possible. 565 */ 566 if (drm_kms_helper_is_poll_worker()) { 567 pm_runtime_get_noresume(dev->dev); 568 } else { 569 ret = pm_runtime_get_sync(dev->dev); 570 if (ret < 0 && ret != -EACCES) 571 return conn_status; 572 } 573 574 nv_encoder = nouveau_connector_ddc_detect(connector); 575 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 576 if ((vga_switcheroo_handler_flags() & 577 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 578 nv_connector->type == DCB_CONNECTOR_LVDS) 579 nv_connector->edid = drm_get_edid_switcheroo(connector, 580 i2c); 581 else 582 nv_connector->edid = drm_get_edid(connector, i2c); 583 584 drm_connector_update_edid_property(connector, 585 nv_connector->edid); 586 if (!nv_connector->edid) { 587 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 588 connector->name); 589 goto detect_analog; 590 } 591 592 /* Override encoder type for DVI-I based on whether EDID 593 * says the display is digital or analog, both use the 594 * same i2c channel so the value returned from ddc_detect 595 * isn't necessarily correct. 596 */ 597 nv_partner = NULL; 598 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 599 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 600 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 601 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 602 603 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 604 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 605 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 606 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 607 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 608 type = DCB_OUTPUT_TMDS; 609 else 610 type = DCB_OUTPUT_ANALOG; 611 612 nv_encoder = find_encoder(connector, type); 613 } 614 615 nouveau_connector_set_encoder(connector, nv_encoder); 616 conn_status = connector_status_connected; 617 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); 618 goto out; 619 } 620 621 nv_encoder = nouveau_connector_of_detect(connector); 622 if (nv_encoder) { 623 nouveau_connector_set_encoder(connector, nv_encoder); 624 conn_status = connector_status_connected; 625 goto out; 626 } 627 628 detect_analog: 629 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 630 if (!nv_encoder && !nouveau_tv_disable) 631 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 632 if (nv_encoder && force) { 633 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 634 const struct drm_encoder_helper_funcs *helper = 635 encoder->helper_private; 636 637 if (helper->detect(encoder, connector) == 638 connector_status_connected) { 639 nouveau_connector_set_encoder(connector, nv_encoder); 640 conn_status = connector_status_connected; 641 goto out; 642 } 643 644 } 645 646 out: 647 648 pm_runtime_mark_last_busy(dev->dev); 649 pm_runtime_put_autosuspend(dev->dev); 650 651 return conn_status; 652 } 653 654 static enum drm_connector_status 655 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 656 { 657 struct drm_device *dev = connector->dev; 658 struct nouveau_drm *drm = nouveau_drm(dev); 659 struct nouveau_connector *nv_connector = nouveau_connector(connector); 660 struct nouveau_encoder *nv_encoder = NULL; 661 enum drm_connector_status status = connector_status_disconnected; 662 663 /* Cleanup the previous EDID block. */ 664 if (nv_connector->edid) { 665 drm_connector_update_edid_property(connector, NULL); 666 kfree(nv_connector->edid); 667 nv_connector->edid = NULL; 668 } 669 670 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 671 if (!nv_encoder) 672 return connector_status_disconnected; 673 674 /* Try retrieving EDID via DDC */ 675 if (!drm->vbios.fp_no_ddc) { 676 status = nouveau_connector_detect(connector, force); 677 if (status == connector_status_connected) 678 goto out; 679 } 680 681 /* On some laptops (Sony, i'm looking at you) there appears to 682 * be no direct way of accessing the panel's EDID. The only 683 * option available to us appears to be to ask ACPI for help.. 684 * 685 * It's important this check's before trying straps, one of the 686 * said manufacturer's laptops are configured in such a way 687 * the nouveau decides an entry in the VBIOS FP mode table is 688 * valid - it's not (rh#613284) 689 */ 690 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 691 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 692 status = connector_status_connected; 693 goto out; 694 } 695 } 696 697 /* If no EDID found above, and the VBIOS indicates a hardcoded 698 * modeline is avalilable for the panel, set it as the panel's 699 * native mode and exit. 700 */ 701 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 702 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 703 status = connector_status_connected; 704 goto out; 705 } 706 707 /* Still nothing, some VBIOS images have a hardcoded EDID block 708 * stored for the panel stored in them. 709 */ 710 if (!drm->vbios.fp_no_ddc) { 711 struct edid *edid = 712 (struct edid *)nouveau_bios_embedded_edid(dev); 713 if (edid) { 714 nv_connector->edid = 715 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 716 if (nv_connector->edid) 717 status = connector_status_connected; 718 } 719 } 720 721 out: 722 #if defined(CONFIG_ACPI_BUTTON) || \ 723 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 724 if (status == connector_status_connected && 725 !nouveau_ignorelid && !acpi_lid_open()) 726 status = connector_status_unknown; 727 #endif 728 729 drm_connector_update_edid_property(connector, nv_connector->edid); 730 nouveau_connector_set_encoder(connector, nv_encoder); 731 return status; 732 } 733 734 static void 735 nouveau_connector_force(struct drm_connector *connector) 736 { 737 struct nouveau_drm *drm = nouveau_drm(connector->dev); 738 struct nouveau_connector *nv_connector = nouveau_connector(connector); 739 struct nouveau_encoder *nv_encoder; 740 int type; 741 742 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 743 if (connector->force == DRM_FORCE_ON_DIGITAL) 744 type = DCB_OUTPUT_TMDS; 745 else 746 type = DCB_OUTPUT_ANALOG; 747 } else 748 type = DCB_OUTPUT_ANY; 749 750 nv_encoder = find_encoder(connector, type); 751 if (!nv_encoder) { 752 NV_ERROR(drm, "can't find encoder to force %s on!\n", 753 connector->name); 754 connector->status = connector_status_disconnected; 755 return; 756 } 757 758 nouveau_connector_set_encoder(connector, nv_encoder); 759 } 760 761 static int 762 nouveau_connector_set_property(struct drm_connector *connector, 763 struct drm_property *property, uint64_t value) 764 { 765 struct nouveau_connector *nv_connector = nouveau_connector(connector); 766 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 767 struct nouveau_conn_atom *asyc = &nv_connector->properties_state; 768 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 769 int ret; 770 771 ret = connector->funcs->atomic_set_property(&nv_connector->base, 772 &asyc->state, 773 property, value); 774 if (ret) { 775 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 776 return get_slave_funcs(encoder)->set_property( 777 encoder, connector, property, value); 778 return ret; 779 } 780 781 nv_connector->scaling_mode = asyc->scaler.mode; 782 nv_connector->dithering_mode = asyc->dither.mode; 783 784 if (connector->encoder && connector->encoder->crtc) { 785 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 786 &connector->encoder->crtc->mode, 787 connector->encoder->crtc->x, 788 connector->encoder->crtc->y, 789 NULL); 790 if (!ret) 791 return -EINVAL; 792 } 793 794 return 0; 795 } 796 797 struct moderec { 798 int hdisplay; 799 int vdisplay; 800 }; 801 802 static struct moderec scaler_modes[] = { 803 { 1920, 1200 }, 804 { 1920, 1080 }, 805 { 1680, 1050 }, 806 { 1600, 1200 }, 807 { 1400, 1050 }, 808 { 1280, 1024 }, 809 { 1280, 960 }, 810 { 1152, 864 }, 811 { 1024, 768 }, 812 { 800, 600 }, 813 { 720, 400 }, 814 { 640, 480 }, 815 { 640, 400 }, 816 { 640, 350 }, 817 {} 818 }; 819 820 static int 821 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 822 { 823 struct nouveau_connector *nv_connector = nouveau_connector(connector); 824 struct drm_display_mode *native = nv_connector->native_mode, *m; 825 struct drm_device *dev = connector->dev; 826 struct moderec *mode = &scaler_modes[0]; 827 int modes = 0; 828 829 if (!native) 830 return 0; 831 832 while (mode->hdisplay) { 833 if (mode->hdisplay <= native->hdisplay && 834 mode->vdisplay <= native->vdisplay && 835 (mode->hdisplay != native->hdisplay || 836 mode->vdisplay != native->vdisplay)) { 837 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 838 drm_mode_vrefresh(native), false, 839 false, false); 840 if (!m) 841 continue; 842 843 drm_mode_probed_add(connector, m); 844 modes++; 845 } 846 847 mode++; 848 } 849 850 return modes; 851 } 852 853 static void 854 nouveau_connector_detect_depth(struct drm_connector *connector) 855 { 856 struct nouveau_drm *drm = nouveau_drm(connector->dev); 857 struct nouveau_connector *nv_connector = nouveau_connector(connector); 858 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 859 struct nvbios *bios = &drm->vbios; 860 struct drm_display_mode *mode = nv_connector->native_mode; 861 bool duallink; 862 863 /* if the edid is feeling nice enough to provide this info, use it */ 864 if (nv_connector->edid && connector->display_info.bpc) 865 return; 866 867 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 868 if (nv_connector->type == DCB_CONNECTOR_eDP) { 869 connector->display_info.bpc = 6; 870 return; 871 } 872 873 /* we're out of options unless we're LVDS, default to 8bpc */ 874 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 875 connector->display_info.bpc = 8; 876 return; 877 } 878 879 connector->display_info.bpc = 6; 880 881 /* LVDS: panel straps */ 882 if (bios->fp_no_ddc) { 883 if (bios->fp.if_is_24bit) 884 connector->display_info.bpc = 8; 885 return; 886 } 887 888 /* LVDS: DDC panel, need to first determine the number of links to 889 * know which if_is_24bit flag to check... 890 */ 891 if (nv_connector->edid && 892 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 893 duallink = ((u8 *)nv_connector->edid)[121] == 2; 894 else 895 duallink = mode->clock >= bios->fp.duallink_transition_clk; 896 897 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 898 ( duallink && (bios->fp.strapless_is_24bit & 2))) 899 connector->display_info.bpc = 8; 900 } 901 902 static int 903 nouveau_connector_late_register(struct drm_connector *connector) 904 { 905 int ret; 906 907 ret = nouveau_backlight_init(connector); 908 909 return ret; 910 } 911 912 static void 913 nouveau_connector_early_unregister(struct drm_connector *connector) 914 { 915 nouveau_backlight_fini(connector); 916 } 917 918 static int 919 nouveau_connector_get_modes(struct drm_connector *connector) 920 { 921 struct drm_device *dev = connector->dev; 922 struct nouveau_drm *drm = nouveau_drm(dev); 923 struct nouveau_connector *nv_connector = nouveau_connector(connector); 924 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 925 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 926 int ret = 0; 927 928 /* destroy the native mode, the attached monitor could have changed. 929 */ 930 if (nv_connector->native_mode) { 931 drm_mode_destroy(dev, nv_connector->native_mode); 932 nv_connector->native_mode = NULL; 933 } 934 935 if (nv_connector->edid) 936 ret = drm_add_edid_modes(connector, nv_connector->edid); 937 else 938 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 939 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 940 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 941 struct drm_display_mode mode; 942 943 nouveau_bios_fp_mode(dev, &mode); 944 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 945 } 946 947 /* Determine display colour depth for everything except LVDS now, 948 * DP requires this before mode_valid() is called. 949 */ 950 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 951 nouveau_connector_detect_depth(connector); 952 953 /* Find the native mode if this is a digital panel, if we didn't 954 * find any modes through DDC previously add the native mode to 955 * the list of modes. 956 */ 957 if (!nv_connector->native_mode) 958 nv_connector->native_mode = nouveau_conn_native_mode(connector); 959 if (ret == 0 && nv_connector->native_mode) { 960 struct drm_display_mode *mode; 961 962 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 963 drm_mode_probed_add(connector, mode); 964 ret = 1; 965 } 966 967 /* Determine LVDS colour depth, must happen after determining 968 * "native" mode as some VBIOS tables require us to use the 969 * pixel clock as part of the lookup... 970 */ 971 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 972 nouveau_connector_detect_depth(connector); 973 974 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 975 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 976 977 if (nv_connector->type == DCB_CONNECTOR_LVDS || 978 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 979 nv_connector->type == DCB_CONNECTOR_eDP) 980 ret += nouveau_connector_scaler_modes_add(connector); 981 982 return ret; 983 } 984 985 static unsigned 986 get_tmds_link_bandwidth(struct drm_connector *connector) 987 { 988 struct nouveau_connector *nv_connector = nouveau_connector(connector); 989 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 990 struct nouveau_drm *drm = nouveau_drm(connector->dev); 991 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 992 struct drm_display_info *info = NULL; 993 unsigned duallink_scale = 994 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1; 995 996 if (drm_detect_hdmi_monitor(nv_connector->edid)) { 997 info = &nv_connector->base.display_info; 998 duallink_scale = 1; 999 } 1000 1001 if (info) { 1002 if (nouveau_hdmimhz > 0) 1003 return nouveau_hdmimhz * 1000; 1004 /* Note: these limits are conservative, some Fermi's 1005 * can do 297 MHz. Unclear how this can be determined. 1006 */ 1007 if (drm->client.device.info.chipset >= 0x120) { 1008 const int max_tmds_clock = 1009 info->hdmi.scdc.scrambling.supported ? 1010 594000 : 340000; 1011 return info->max_tmds_clock ? 1012 min(info->max_tmds_clock, max_tmds_clock) : 1013 max_tmds_clock; 1014 } 1015 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 1016 return 297000; 1017 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 1018 return 225000; 1019 } 1020 1021 if (dcb->location != DCB_LOC_ON_CHIP || 1022 drm->client.device.info.chipset >= 0x46) 1023 return 165000 * duallink_scale; 1024 else if (drm->client.device.info.chipset >= 0x40) 1025 return 155000 * duallink_scale; 1026 else if (drm->client.device.info.chipset >= 0x18) 1027 return 135000 * duallink_scale; 1028 else 1029 return 112000 * duallink_scale; 1030 } 1031 1032 static enum drm_mode_status 1033 nouveau_connector_mode_valid(struct drm_connector *connector, 1034 struct drm_display_mode *mode) 1035 { 1036 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1037 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1038 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1039 unsigned min_clock = 25000, max_clock = min_clock; 1040 unsigned clock = mode->clock; 1041 1042 switch (nv_encoder->dcb->type) { 1043 case DCB_OUTPUT_LVDS: 1044 if (nv_connector->native_mode && 1045 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1046 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1047 return MODE_PANEL; 1048 1049 min_clock = 0; 1050 max_clock = 400000; 1051 break; 1052 case DCB_OUTPUT_TMDS: 1053 max_clock = get_tmds_link_bandwidth(connector); 1054 break; 1055 case DCB_OUTPUT_ANALOG: 1056 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1057 if (!max_clock) 1058 max_clock = 350000; 1059 break; 1060 case DCB_OUTPUT_TV: 1061 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1062 case DCB_OUTPUT_DP: 1063 max_clock = nv_encoder->dp.link_nr; 1064 max_clock *= nv_encoder->dp.link_bw; 1065 clock = clock * (connector->display_info.bpc * 3) / 10; 1066 break; 1067 default: 1068 BUG(); 1069 return MODE_BAD; 1070 } 1071 1072 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1073 clock *= 2; 1074 1075 if (clock < min_clock) 1076 return MODE_CLOCK_LOW; 1077 1078 if (clock > max_clock) 1079 return MODE_CLOCK_HIGH; 1080 1081 return MODE_OK; 1082 } 1083 1084 static struct drm_encoder * 1085 nouveau_connector_best_encoder(struct drm_connector *connector) 1086 { 1087 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1088 1089 if (nv_connector->detected_encoder) 1090 return to_drm_encoder(nv_connector->detected_encoder); 1091 1092 return NULL; 1093 } 1094 1095 static const struct drm_connector_helper_funcs 1096 nouveau_connector_helper_funcs = { 1097 .get_modes = nouveau_connector_get_modes, 1098 .mode_valid = nouveau_connector_mode_valid, 1099 .best_encoder = nouveau_connector_best_encoder, 1100 }; 1101 1102 static const struct drm_connector_funcs 1103 nouveau_connector_funcs = { 1104 .dpms = drm_helper_connector_dpms, 1105 .reset = nouveau_conn_reset, 1106 .detect = nouveau_connector_detect, 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 const struct drm_connector_funcs 1120 nouveau_connector_funcs_lvds = { 1121 .dpms = drm_helper_connector_dpms, 1122 .reset = nouveau_conn_reset, 1123 .detect = nouveau_connector_detect_lvds, 1124 .force = nouveau_connector_force, 1125 .fill_modes = drm_helper_probe_single_connector_modes, 1126 .set_property = nouveau_connector_set_property, 1127 .destroy = nouveau_connector_destroy, 1128 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1129 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1130 .atomic_set_property = nouveau_conn_atomic_set_property, 1131 .atomic_get_property = nouveau_conn_atomic_get_property, 1132 .late_register = nouveau_connector_late_register, 1133 .early_unregister = nouveau_connector_early_unregister, 1134 }; 1135 1136 static int 1137 nouveau_connector_hotplug(struct nvif_notify *notify) 1138 { 1139 struct nouveau_connector *nv_connector = 1140 container_of(notify, typeof(*nv_connector), hpd); 1141 struct drm_connector *connector = &nv_connector->base; 1142 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1143 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1144 const char *name = connector->name; 1145 struct nouveau_encoder *nv_encoder; 1146 int ret; 1147 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1148 1149 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1150 NV_DEBUG(drm, "service %s\n", name); 1151 drm_dp_cec_irq(&nv_connector->aux); 1152 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1153 nv50_mstm_service(nv_encoder->dp.mstm); 1154 1155 return NVIF_NOTIFY_KEEP; 1156 } 1157 1158 ret = pm_runtime_get(drm->dev->dev); 1159 if (ret == 0) { 1160 /* We can't block here if there's a pending PM request 1161 * running, as we'll deadlock nouveau_display_fini() when it 1162 * calls nvif_put() on our nvif_notify struct. So, simply 1163 * defer the hotplug event until the device finishes resuming 1164 */ 1165 NV_DEBUG(drm, "Deferring HPD on %s until runtime resume\n", 1166 name); 1167 schedule_work(&drm->hpd_work); 1168 1169 pm_runtime_put_noidle(drm->dev->dev); 1170 return NVIF_NOTIFY_KEEP; 1171 } else if (ret != 1 && ret != -EACCES) { 1172 NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n", 1173 name, ret); 1174 return NVIF_NOTIFY_DROP; 1175 } 1176 1177 if (!plugged) 1178 drm_dp_cec_unset_edid(&nv_connector->aux); 1179 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1180 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1181 if (!plugged) 1182 nv50_mstm_remove(nv_encoder->dp.mstm); 1183 } 1184 1185 drm_helper_hpd_irq_event(connector->dev); 1186 1187 pm_runtime_mark_last_busy(drm->dev->dev); 1188 pm_runtime_put_autosuspend(drm->dev->dev); 1189 return NVIF_NOTIFY_KEEP; 1190 } 1191 1192 static ssize_t 1193 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1194 { 1195 struct nouveau_connector *nv_connector = 1196 container_of(obj, typeof(*nv_connector), aux); 1197 struct nouveau_encoder *nv_encoder; 1198 struct nvkm_i2c_aux *aux; 1199 u8 size = msg->size; 1200 int ret; 1201 1202 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1203 if (!nv_encoder || !(aux = nv_encoder->aux)) 1204 return -ENODEV; 1205 if (WARN_ON(msg->size > 16)) 1206 return -E2BIG; 1207 1208 ret = nvkm_i2c_aux_acquire(aux); 1209 if (ret) 1210 return ret; 1211 1212 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1213 msg->buffer, &size); 1214 nvkm_i2c_aux_release(aux); 1215 if (ret >= 0) { 1216 msg->reply = ret; 1217 return size; 1218 } 1219 1220 return ret; 1221 } 1222 1223 static int 1224 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1225 { 1226 switch (dcb) { 1227 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1228 case DCB_CONNECTOR_TV_0 : 1229 case DCB_CONNECTOR_TV_1 : 1230 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1231 case DCB_CONNECTOR_DMS59_0 : 1232 case DCB_CONNECTOR_DMS59_1 : 1233 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1234 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1235 case DCB_CONNECTOR_LVDS : 1236 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1237 case DCB_CONNECTOR_DMS59_DP0: 1238 case DCB_CONNECTOR_DMS59_DP1: 1239 case DCB_CONNECTOR_DP : 1240 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort; 1241 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1242 case DCB_CONNECTOR_HDMI_0 : 1243 case DCB_CONNECTOR_HDMI_1 : 1244 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1245 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1246 default: 1247 break; 1248 } 1249 1250 return DRM_MODE_CONNECTOR_Unknown; 1251 } 1252 1253 struct drm_connector * 1254 nouveau_connector_create(struct drm_device *dev, 1255 const struct dcb_output *dcbe) 1256 { 1257 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1258 struct nouveau_drm *drm = nouveau_drm(dev); 1259 struct nouveau_display *disp = nouveau_display(dev); 1260 struct nouveau_connector *nv_connector = NULL; 1261 struct drm_connector *connector; 1262 struct drm_connector_list_iter conn_iter; 1263 char aux_name[48] = {0}; 1264 int index = dcbe->connector; 1265 int type, ret = 0; 1266 bool dummy; 1267 1268 drm_connector_list_iter_begin(dev, &conn_iter); 1269 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1270 nv_connector = nouveau_connector(connector); 1271 if (nv_connector->index == index) { 1272 drm_connector_list_iter_end(&conn_iter); 1273 return connector; 1274 } 1275 } 1276 drm_connector_list_iter_end(&conn_iter); 1277 1278 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1279 if (!nv_connector) 1280 return ERR_PTR(-ENOMEM); 1281 1282 connector = &nv_connector->base; 1283 nv_connector->index = index; 1284 1285 /* attempt to parse vbios connector type and hotplug gpio */ 1286 nv_connector->dcb = olddcb_conn(dev, index); 1287 if (nv_connector->dcb) { 1288 u32 entry = ROM16(nv_connector->dcb[0]); 1289 if (olddcb_conntab(dev)[3] >= 4) 1290 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1291 1292 nv_connector->type = nv_connector->dcb[0]; 1293 if (drm_conntype_from_dcb(nv_connector->type) == 1294 DRM_MODE_CONNECTOR_Unknown) { 1295 NV_WARN(drm, "unknown connector type %02x\n", 1296 nv_connector->type); 1297 nv_connector->type = DCB_CONNECTOR_NONE; 1298 } 1299 1300 /* Gigabyte NX85T */ 1301 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1302 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1303 nv_connector->type = DCB_CONNECTOR_DVI_I; 1304 } 1305 1306 /* Gigabyte GV-NX86T512H */ 1307 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1308 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1309 nv_connector->type = DCB_CONNECTOR_DVI_I; 1310 } 1311 } else { 1312 nv_connector->type = DCB_CONNECTOR_NONE; 1313 } 1314 1315 /* no vbios data, or an unknown dcb connector type - attempt to 1316 * figure out something suitable ourselves 1317 */ 1318 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1319 struct nouveau_drm *drm = nouveau_drm(dev); 1320 struct dcb_table *dcbt = &drm->vbios.dcb; 1321 u32 encoders = 0; 1322 int i; 1323 1324 for (i = 0; i < dcbt->entries; i++) { 1325 if (dcbt->entry[i].connector == nv_connector->index) 1326 encoders |= (1 << dcbt->entry[i].type); 1327 } 1328 1329 if (encoders & (1 << DCB_OUTPUT_DP)) { 1330 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1331 nv_connector->type = DCB_CONNECTOR_DP; 1332 else 1333 nv_connector->type = DCB_CONNECTOR_eDP; 1334 } else 1335 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1336 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1337 nv_connector->type = DCB_CONNECTOR_DVI_I; 1338 else 1339 nv_connector->type = DCB_CONNECTOR_DVI_D; 1340 } else 1341 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1342 nv_connector->type = DCB_CONNECTOR_VGA; 1343 } else 1344 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1345 nv_connector->type = DCB_CONNECTOR_LVDS; 1346 } else 1347 if (encoders & (1 << DCB_OUTPUT_TV)) { 1348 nv_connector->type = DCB_CONNECTOR_TV_0; 1349 } 1350 } 1351 1352 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1353 case DRM_MODE_CONNECTOR_LVDS: 1354 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1355 if (ret) { 1356 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1357 kfree(nv_connector); 1358 return ERR_PTR(ret); 1359 } 1360 1361 funcs = &nouveau_connector_funcs_lvds; 1362 break; 1363 case DRM_MODE_CONNECTOR_DisplayPort: 1364 case DRM_MODE_CONNECTOR_eDP: 1365 nv_connector->aux.dev = connector->kdev; 1366 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1367 snprintf(aux_name, sizeof(aux_name), "sor-%04x-%04x", 1368 dcbe->hasht, dcbe->hashm); 1369 nv_connector->aux.name = kstrdup(aux_name, GFP_KERNEL); 1370 ret = drm_dp_aux_register(&nv_connector->aux); 1371 if (ret) { 1372 NV_ERROR(drm, "failed to register aux channel\n"); 1373 kfree(nv_connector); 1374 return ERR_PTR(ret); 1375 } 1376 funcs = &nouveau_connector_funcs; 1377 break; 1378 default: 1379 funcs = &nouveau_connector_funcs; 1380 break; 1381 } 1382 1383 /* HDMI 3D support */ 1384 if ((disp->disp.object.oclass >= G82_DISP) 1385 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1386 || (type == DRM_MODE_CONNECTOR_eDP) 1387 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1388 connector->stereo_allowed = true; 1389 1390 /* defaults, will get overridden in detect() */ 1391 connector->interlace_allowed = false; 1392 connector->doublescan_allowed = false; 1393 1394 drm_connector_init(dev, connector, funcs, type); 1395 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1396 1397 connector->funcs->reset(connector); 1398 nouveau_conn_attach_properties(connector); 1399 1400 /* Default scaling mode */ 1401 switch (nv_connector->type) { 1402 case DCB_CONNECTOR_LVDS: 1403 case DCB_CONNECTOR_LVDS_SPWG: 1404 case DCB_CONNECTOR_eDP: 1405 /* see note in nouveau_connector_set_property() */ 1406 if (disp->disp.object.oclass < NV50_DISP) { 1407 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1408 break; 1409 } 1410 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1411 break; 1412 default: 1413 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1414 break; 1415 } 1416 1417 /* dithering properties */ 1418 switch (nv_connector->type) { 1419 case DCB_CONNECTOR_TV_0: 1420 case DCB_CONNECTOR_TV_1: 1421 case DCB_CONNECTOR_TV_3: 1422 case DCB_CONNECTOR_VGA: 1423 break; 1424 default: 1425 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1426 break; 1427 } 1428 1429 switch (type) { 1430 case DRM_MODE_CONNECTOR_DisplayPort: 1431 case DRM_MODE_CONNECTOR_eDP: 1432 drm_dp_cec_register_connector(&nv_connector->aux, connector); 1433 break; 1434 } 1435 1436 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug, 1437 true, NV04_DISP_NTFY_CONN, 1438 &(struct nvif_notify_conn_req_v0) { 1439 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1440 .conn = index, 1441 }, 1442 sizeof(struct nvif_notify_conn_req_v0), 1443 sizeof(struct nvif_notify_conn_rep_v0), 1444 &nv_connector->hpd); 1445 if (ret) 1446 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1447 else 1448 connector->polled = DRM_CONNECTOR_POLL_HPD; 1449 1450 drm_connector_register(connector); 1451 return connector; 1452 } 1453