1 /* 2 * Copyright (C) 2008 Maarten Maathuis. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #include <acpi/button.h> 28 29 #include <linux/pm_runtime.h> 30 #include <linux/vga_switcheroo.h> 31 32 #include <drm/drmP.h> 33 #include <drm/drm_atomic_helper.h> 34 #include <drm/drm_edid.h> 35 #include <drm/drm_crtc_helper.h> 36 #include <drm/drm_atomic.h> 37 38 #include "nouveau_reg.h" 39 #include "nouveau_drv.h" 40 #include "dispnv04/hw.h" 41 #include "nouveau_acpi.h" 42 43 #include "nouveau_display.h" 44 #include "nouveau_connector.h" 45 #include "nouveau_encoder.h" 46 #include "nouveau_crtc.h" 47 48 #include <nvif/class.h> 49 #include <nvif/cl0046.h> 50 #include <nvif/event.h> 51 52 struct drm_display_mode * 53 nouveau_conn_native_mode(struct drm_connector *connector) 54 { 55 const struct drm_connector_helper_funcs *helper = connector->helper_private; 56 struct nouveau_drm *drm = nouveau_drm(connector->dev); 57 struct drm_device *dev = connector->dev; 58 struct drm_display_mode *mode, *largest = NULL; 59 int high_w = 0, high_h = 0, high_v = 0; 60 61 list_for_each_entry(mode, &connector->probed_modes, head) { 62 mode->vrefresh = drm_mode_vrefresh(mode); 63 if (helper->mode_valid(connector, mode) != MODE_OK || 64 (mode->flags & DRM_MODE_FLAG_INTERLACE)) 65 continue; 66 67 /* Use preferred mode if there is one.. */ 68 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 69 NV_DEBUG(drm, "native mode from preferred\n"); 70 return drm_mode_duplicate(dev, mode); 71 } 72 73 /* Otherwise, take the resolution with the largest width, then 74 * height, then vertical refresh 75 */ 76 if (mode->hdisplay < high_w) 77 continue; 78 79 if (mode->hdisplay == high_w && mode->vdisplay < high_h) 80 continue; 81 82 if (mode->hdisplay == high_w && mode->vdisplay == high_h && 83 mode->vrefresh < high_v) 84 continue; 85 86 high_w = mode->hdisplay; 87 high_h = mode->vdisplay; 88 high_v = mode->vrefresh; 89 largest = mode; 90 } 91 92 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n", 93 high_w, high_h, high_v); 94 return largest ? drm_mode_duplicate(dev, largest) : NULL; 95 } 96 97 int 98 nouveau_conn_atomic_get_property(struct drm_connector *connector, 99 const struct drm_connector_state *state, 100 struct drm_property *property, u64 *val) 101 { 102 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 103 struct nouveau_display *disp = nouveau_display(connector->dev); 104 struct drm_device *dev = connector->dev; 105 106 if (property == dev->mode_config.scaling_mode_property) 107 *val = asyc->scaler.mode; 108 else if (property == disp->underscan_property) 109 *val = asyc->scaler.underscan.mode; 110 else if (property == disp->underscan_hborder_property) 111 *val = asyc->scaler.underscan.hborder; 112 else if (property == disp->underscan_vborder_property) 113 *val = asyc->scaler.underscan.vborder; 114 else if (property == disp->dithering_mode) 115 *val = asyc->dither.mode; 116 else if (property == disp->dithering_depth) 117 *val = asyc->dither.depth; 118 else if (property == disp->vibrant_hue_property) 119 *val = asyc->procamp.vibrant_hue; 120 else if (property == disp->color_vibrance_property) 121 *val = asyc->procamp.color_vibrance; 122 else 123 return -EINVAL; 124 125 return 0; 126 } 127 128 int 129 nouveau_conn_atomic_set_property(struct drm_connector *connector, 130 struct drm_connector_state *state, 131 struct drm_property *property, u64 val) 132 { 133 struct drm_device *dev = connector->dev; 134 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 135 struct nouveau_display *disp = nouveau_display(dev); 136 137 if (property == dev->mode_config.scaling_mode_property) { 138 switch (val) { 139 case DRM_MODE_SCALE_NONE: 140 /* We allow 'None' for EDID modes, even on a fixed 141 * panel (some exist with support for lower refresh 142 * rates, which people might want to use for power- 143 * saving purposes). 144 * 145 * Non-EDID modes will force the use of GPU scaling 146 * to the native mode regardless of this setting. 147 */ 148 switch (connector->connector_type) { 149 case DRM_MODE_CONNECTOR_LVDS: 150 case DRM_MODE_CONNECTOR_eDP: 151 /* ... except prior to G80, where the code 152 * doesn't support such things. 153 */ 154 if (disp->disp.oclass < NV50_DISP) 155 return -EINVAL; 156 break; 157 default: 158 break; 159 } 160 case DRM_MODE_SCALE_FULLSCREEN: 161 case DRM_MODE_SCALE_CENTER: 162 case DRM_MODE_SCALE_ASPECT: 163 break; 164 default: 165 return -EINVAL; 166 } 167 168 if (asyc->scaler.mode != val) { 169 asyc->scaler.mode = val; 170 asyc->set.scaler = true; 171 } 172 } else 173 if (property == disp->underscan_property) { 174 if (asyc->scaler.underscan.mode != val) { 175 asyc->scaler.underscan.mode = val; 176 asyc->set.scaler = true; 177 } 178 } else 179 if (property == disp->underscan_hborder_property) { 180 if (asyc->scaler.underscan.hborder != val) { 181 asyc->scaler.underscan.hborder = val; 182 asyc->set.scaler = true; 183 } 184 } else 185 if (property == disp->underscan_vborder_property) { 186 if (asyc->scaler.underscan.vborder != val) { 187 asyc->scaler.underscan.vborder = val; 188 asyc->set.scaler = true; 189 } 190 } else 191 if (property == disp->dithering_mode) { 192 if (asyc->dither.mode != val) { 193 asyc->dither.mode = val; 194 asyc->set.dither = true; 195 } 196 } else 197 if (property == disp->dithering_depth) { 198 if (asyc->dither.mode != val) { 199 asyc->dither.depth = val; 200 asyc->set.dither = true; 201 } 202 } else 203 if (property == disp->vibrant_hue_property) { 204 if (asyc->procamp.vibrant_hue != val) { 205 asyc->procamp.vibrant_hue = val; 206 asyc->set.procamp = true; 207 } 208 } else 209 if (property == disp->color_vibrance_property) { 210 if (asyc->procamp.color_vibrance != val) { 211 asyc->procamp.color_vibrance = val; 212 asyc->set.procamp = true; 213 } 214 } else { 215 return -EINVAL; 216 } 217 218 return 0; 219 } 220 221 void 222 nouveau_conn_atomic_destroy_state(struct drm_connector *connector, 223 struct drm_connector_state *state) 224 { 225 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 226 __drm_atomic_helper_connector_destroy_state(&asyc->state); 227 kfree(asyc); 228 } 229 230 struct drm_connector_state * 231 nouveau_conn_atomic_duplicate_state(struct drm_connector *connector) 232 { 233 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state); 234 struct nouveau_conn_atom *asyc; 235 if (!(asyc = kmalloc(sizeof(*asyc), GFP_KERNEL))) 236 return NULL; 237 __drm_atomic_helper_connector_duplicate_state(connector, &asyc->state); 238 asyc->dither = armc->dither; 239 asyc->scaler = armc->scaler; 240 asyc->procamp = armc->procamp; 241 asyc->set.mask = 0; 242 return &asyc->state; 243 } 244 245 void 246 nouveau_conn_reset(struct drm_connector *connector) 247 { 248 struct nouveau_conn_atom *asyc; 249 250 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL)))) 251 return; 252 253 if (connector->state) 254 __drm_atomic_helper_connector_destroy_state(connector->state); 255 __drm_atomic_helper_connector_reset(connector, &asyc->state); 256 asyc->dither.mode = DITHERING_MODE_AUTO; 257 asyc->dither.depth = DITHERING_DEPTH_AUTO; 258 asyc->scaler.mode = DRM_MODE_SCALE_NONE; 259 asyc->scaler.underscan.mode = UNDERSCAN_OFF; 260 asyc->procamp.color_vibrance = 150; 261 asyc->procamp.vibrant_hue = 90; 262 263 if (nouveau_display(connector->dev)->disp.oclass < NV50_DISP) { 264 switch (connector->connector_type) { 265 case DRM_MODE_CONNECTOR_LVDS: 266 /* See note in nouveau_conn_atomic_set_property(). */ 267 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN; 268 break; 269 default: 270 break; 271 } 272 } 273 } 274 275 void 276 nouveau_conn_attach_properties(struct drm_connector *connector) 277 { 278 struct drm_device *dev = connector->dev; 279 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state); 280 struct nouveau_display *disp = nouveau_display(dev); 281 282 /* Init DVI-I specific properties. */ 283 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) 284 drm_object_attach_property(&connector->base, dev->mode_config. 285 dvi_i_subconnector_property, 0); 286 287 /* Add overscan compensation options to digital outputs. */ 288 if (disp->underscan_property && 289 (connector->connector_type == DRM_MODE_CONNECTOR_DVID || 290 connector->connector_type == DRM_MODE_CONNECTOR_DVII || 291 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 292 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) { 293 drm_object_attach_property(&connector->base, 294 disp->underscan_property, 295 UNDERSCAN_OFF); 296 drm_object_attach_property(&connector->base, 297 disp->underscan_hborder_property, 0); 298 drm_object_attach_property(&connector->base, 299 disp->underscan_vborder_property, 0); 300 } 301 302 /* Add hue and saturation options. */ 303 if (disp->vibrant_hue_property) 304 drm_object_attach_property(&connector->base, 305 disp->vibrant_hue_property, 306 armc->procamp.vibrant_hue); 307 if (disp->color_vibrance_property) 308 drm_object_attach_property(&connector->base, 309 disp->color_vibrance_property, 310 armc->procamp.color_vibrance); 311 312 /* Scaling mode property. */ 313 switch (connector->connector_type) { 314 case DRM_MODE_CONNECTOR_TV: 315 break; 316 case DRM_MODE_CONNECTOR_VGA: 317 if (disp->disp.oclass < NV50_DISP) 318 break; /* Can only scale on DFPs. */ 319 /* Fall-through. */ 320 default: 321 drm_object_attach_property(&connector->base, dev->mode_config. 322 scaling_mode_property, 323 armc->scaler.mode); 324 break; 325 } 326 327 /* Dithering properties. */ 328 switch (connector->connector_type) { 329 case DRM_MODE_CONNECTOR_TV: 330 case DRM_MODE_CONNECTOR_VGA: 331 break; 332 default: 333 if (disp->dithering_mode) { 334 drm_object_attach_property(&connector->base, 335 disp->dithering_mode, 336 armc->dither.mode); 337 } 338 if (disp->dithering_depth) { 339 drm_object_attach_property(&connector->base, 340 disp->dithering_depth, 341 armc->dither.depth); 342 } 343 break; 344 } 345 } 346 347 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); 348 int nouveau_tv_disable = 0; 349 module_param_named(tv_disable, nouveau_tv_disable, int, 0400); 350 351 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status"); 352 int nouveau_ignorelid = 0; 353 module_param_named(ignorelid, nouveau_ignorelid, int, 0400); 354 355 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); 356 int nouveau_duallink = 1; 357 module_param_named(duallink, nouveau_duallink, int, 0400); 358 359 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)"); 360 int nouveau_hdmimhz = 0; 361 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400); 362 363 struct nouveau_encoder * 364 find_encoder(struct drm_connector *connector, int type) 365 { 366 struct drm_device *dev = connector->dev; 367 struct nouveau_encoder *nv_encoder; 368 struct drm_encoder *enc; 369 int i, id; 370 371 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 372 id = connector->encoder_ids[i]; 373 if (!id) 374 break; 375 376 enc = drm_encoder_find(dev, NULL, id); 377 if (!enc) 378 continue; 379 nv_encoder = nouveau_encoder(enc); 380 381 if (type == DCB_OUTPUT_ANY || 382 (nv_encoder->dcb && nv_encoder->dcb->type == type)) 383 return nv_encoder; 384 } 385 386 return NULL; 387 } 388 389 struct nouveau_connector * 390 nouveau_encoder_connector_get(struct nouveau_encoder *encoder) 391 { 392 struct drm_device *dev = to_drm_encoder(encoder)->dev; 393 struct drm_connector *drm_connector; 394 395 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { 396 if (drm_connector->encoder == to_drm_encoder(encoder)) 397 return nouveau_connector(drm_connector); 398 } 399 400 return NULL; 401 } 402 403 static void 404 nouveau_connector_destroy(struct drm_connector *connector) 405 { 406 struct nouveau_connector *nv_connector = nouveau_connector(connector); 407 nvif_notify_fini(&nv_connector->hpd); 408 kfree(nv_connector->edid); 409 drm_connector_unregister(connector); 410 drm_connector_cleanup(connector); 411 if (nv_connector->aux.transfer) 412 drm_dp_aux_unregister(&nv_connector->aux); 413 kfree(connector); 414 } 415 416 static struct nouveau_encoder * 417 nouveau_connector_ddc_detect(struct drm_connector *connector) 418 { 419 struct drm_device *dev = connector->dev; 420 struct nouveau_connector *nv_connector = nouveau_connector(connector); 421 struct nouveau_drm *drm = nouveau_drm(dev); 422 struct nvkm_gpio *gpio = nvxx_gpio(&drm->client.device); 423 struct nouveau_encoder *nv_encoder; 424 struct drm_encoder *encoder; 425 int i, panel = -ENODEV; 426 427 /* eDP panels need powering on by us (if the VBIOS doesn't default it 428 * to on) before doing any AUX channel transactions. LVDS panel power 429 * is handled by the SOR itself, and not required for LVDS DDC. 430 */ 431 if (nv_connector->type == DCB_CONNECTOR_eDP) { 432 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff); 433 if (panel == 0) { 434 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1); 435 msleep(300); 436 } 437 } 438 439 for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) { 440 int id = connector->encoder_ids[i]; 441 if (id == 0) 442 break; 443 444 encoder = drm_encoder_find(dev, NULL, id); 445 if (!encoder) 446 continue; 447 nv_encoder = nouveau_encoder(encoder); 448 449 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) { 450 int ret = nouveau_dp_detect(nv_encoder); 451 if (ret == NOUVEAU_DP_MST) 452 return NULL; 453 if (ret == NOUVEAU_DP_SST) 454 break; 455 } else 456 if ((vga_switcheroo_handler_flags() & 457 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 458 nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 459 nv_encoder->i2c) { 460 int ret; 461 vga_switcheroo_lock_ddc(dev->pdev); 462 ret = nvkm_probe_i2c(nv_encoder->i2c, 0x50); 463 vga_switcheroo_unlock_ddc(dev->pdev); 464 if (ret) 465 break; 466 } else 467 if (nv_encoder->i2c) { 468 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 469 break; 470 } 471 } 472 473 /* eDP panel not detected, restore panel power GPIO to previous 474 * state to avoid confusing the SOR for other output types. 475 */ 476 if (!nv_encoder && panel == 0) 477 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel); 478 479 return nv_encoder; 480 } 481 482 static struct nouveau_encoder * 483 nouveau_connector_of_detect(struct drm_connector *connector) 484 { 485 #ifdef __powerpc__ 486 struct drm_device *dev = connector->dev; 487 struct nouveau_connector *nv_connector = nouveau_connector(connector); 488 struct nouveau_encoder *nv_encoder; 489 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); 490 491 if (!dn || 492 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 493 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 494 return NULL; 495 496 for_each_child_of_node(dn, cn) { 497 const char *name = of_get_property(cn, "name", NULL); 498 const void *edid = of_get_property(cn, "EDID", NULL); 499 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 500 501 if (nv_encoder->dcb->i2c_index == idx && edid) { 502 nv_connector->edid = 503 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 504 of_node_put(cn); 505 return nv_encoder; 506 } 507 } 508 #endif 509 return NULL; 510 } 511 512 static void 513 nouveau_connector_set_encoder(struct drm_connector *connector, 514 struct nouveau_encoder *nv_encoder) 515 { 516 struct nouveau_connector *nv_connector = nouveau_connector(connector); 517 struct nouveau_drm *drm = nouveau_drm(connector->dev); 518 struct drm_device *dev = connector->dev; 519 520 if (nv_connector->detected_encoder == nv_encoder) 521 return; 522 nv_connector->detected_encoder = nv_encoder; 523 524 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 525 connector->interlace_allowed = true; 526 connector->doublescan_allowed = true; 527 } else 528 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 529 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 530 connector->doublescan_allowed = false; 531 connector->interlace_allowed = false; 532 } else { 533 connector->doublescan_allowed = true; 534 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN || 535 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 536 (dev->pdev->device & 0x0ff0) != 0x0100 && 537 (dev->pdev->device & 0x0ff0) != 0x0150)) 538 /* HW is broken */ 539 connector->interlace_allowed = false; 540 else 541 connector->interlace_allowed = true; 542 } 543 544 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 545 drm_object_property_set_value(&connector->base, 546 dev->mode_config.dvi_i_subconnector_property, 547 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 548 DRM_MODE_SUBCONNECTOR_DVID : 549 DRM_MODE_SUBCONNECTOR_DVIA); 550 } 551 } 552 553 static enum drm_connector_status 554 nouveau_connector_detect(struct drm_connector *connector, bool force) 555 { 556 struct drm_device *dev = connector->dev; 557 struct nouveau_drm *drm = nouveau_drm(dev); 558 struct nouveau_connector *nv_connector = nouveau_connector(connector); 559 struct nouveau_encoder *nv_encoder = NULL; 560 struct nouveau_encoder *nv_partner; 561 struct i2c_adapter *i2c; 562 int type; 563 int ret; 564 enum drm_connector_status conn_status = connector_status_disconnected; 565 566 /* Cleanup the previous EDID block. */ 567 if (nv_connector->edid) { 568 drm_mode_connector_update_edid_property(connector, NULL); 569 kfree(nv_connector->edid); 570 nv_connector->edid = NULL; 571 } 572 573 ret = pm_runtime_get_sync(connector->dev->dev); 574 if (ret < 0 && ret != -EACCES) 575 return conn_status; 576 577 nv_encoder = nouveau_connector_ddc_detect(connector); 578 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 579 if ((vga_switcheroo_handler_flags() & 580 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 581 nv_connector->type == DCB_CONNECTOR_LVDS) 582 nv_connector->edid = drm_get_edid_switcheroo(connector, 583 i2c); 584 else 585 nv_connector->edid = drm_get_edid(connector, i2c); 586 587 drm_mode_connector_update_edid_property(connector, 588 nv_connector->edid); 589 if (!nv_connector->edid) { 590 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 591 connector->name); 592 goto detect_analog; 593 } 594 595 /* Override encoder type for DVI-I based on whether EDID 596 * says the display is digital or analog, both use the 597 * same i2c channel so the value returned from ddc_detect 598 * isn't necessarily correct. 599 */ 600 nv_partner = NULL; 601 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 602 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 603 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 604 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 605 606 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 607 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 608 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 609 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 610 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 611 type = DCB_OUTPUT_TMDS; 612 else 613 type = DCB_OUTPUT_ANALOG; 614 615 nv_encoder = find_encoder(connector, type); 616 } 617 618 nouveau_connector_set_encoder(connector, nv_encoder); 619 conn_status = connector_status_connected; 620 goto out; 621 } 622 623 nv_encoder = nouveau_connector_of_detect(connector); 624 if (nv_encoder) { 625 nouveau_connector_set_encoder(connector, nv_encoder); 626 conn_status = connector_status_connected; 627 goto out; 628 } 629 630 detect_analog: 631 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 632 if (!nv_encoder && !nouveau_tv_disable) 633 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 634 if (nv_encoder && force) { 635 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 636 const struct drm_encoder_helper_funcs *helper = 637 encoder->helper_private; 638 639 if (helper->detect(encoder, connector) == 640 connector_status_connected) { 641 nouveau_connector_set_encoder(connector, nv_encoder); 642 conn_status = connector_status_connected; 643 goto out; 644 } 645 646 } 647 648 out: 649 650 pm_runtime_mark_last_busy(connector->dev->dev); 651 pm_runtime_put_autosuspend(connector->dev->dev); 652 653 return conn_status; 654 } 655 656 static enum drm_connector_status 657 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 658 { 659 struct drm_device *dev = connector->dev; 660 struct nouveau_drm *drm = nouveau_drm(dev); 661 struct nouveau_connector *nv_connector = nouveau_connector(connector); 662 struct nouveau_encoder *nv_encoder = NULL; 663 enum drm_connector_status status = connector_status_disconnected; 664 665 /* Cleanup the previous EDID block. */ 666 if (nv_connector->edid) { 667 drm_mode_connector_update_edid_property(connector, NULL); 668 kfree(nv_connector->edid); 669 nv_connector->edid = NULL; 670 } 671 672 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 673 if (!nv_encoder) 674 return connector_status_disconnected; 675 676 /* Try retrieving EDID via DDC */ 677 if (!drm->vbios.fp_no_ddc) { 678 status = nouveau_connector_detect(connector, force); 679 if (status == connector_status_connected) 680 goto out; 681 } 682 683 /* On some laptops (Sony, i'm looking at you) there appears to 684 * be no direct way of accessing the panel's EDID. The only 685 * option available to us appears to be to ask ACPI for help.. 686 * 687 * It's important this check's before trying straps, one of the 688 * said manufacturer's laptops are configured in such a way 689 * the nouveau decides an entry in the VBIOS FP mode table is 690 * valid - it's not (rh#613284) 691 */ 692 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 693 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 694 status = connector_status_connected; 695 goto out; 696 } 697 } 698 699 /* If no EDID found above, and the VBIOS indicates a hardcoded 700 * modeline is avalilable for the panel, set it as the panel's 701 * native mode and exit. 702 */ 703 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 704 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 705 status = connector_status_connected; 706 goto out; 707 } 708 709 /* Still nothing, some VBIOS images have a hardcoded EDID block 710 * stored for the panel stored in them. 711 */ 712 if (!drm->vbios.fp_no_ddc) { 713 struct edid *edid = 714 (struct edid *)nouveau_bios_embedded_edid(dev); 715 if (edid) { 716 nv_connector->edid = 717 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 718 if (nv_connector->edid) 719 status = connector_status_connected; 720 } 721 } 722 723 out: 724 #if defined(CONFIG_ACPI_BUTTON) || \ 725 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 726 if (status == connector_status_connected && 727 !nouveau_ignorelid && !acpi_lid_open()) 728 status = connector_status_unknown; 729 #endif 730 731 drm_mode_connector_update_edid_property(connector, nv_connector->edid); 732 nouveau_connector_set_encoder(connector, nv_encoder); 733 return status; 734 } 735 736 static void 737 nouveau_connector_force(struct drm_connector *connector) 738 { 739 struct nouveau_drm *drm = nouveau_drm(connector->dev); 740 struct nouveau_connector *nv_connector = nouveau_connector(connector); 741 struct nouveau_encoder *nv_encoder; 742 int type; 743 744 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 745 if (connector->force == DRM_FORCE_ON_DIGITAL) 746 type = DCB_OUTPUT_TMDS; 747 else 748 type = DCB_OUTPUT_ANALOG; 749 } else 750 type = DCB_OUTPUT_ANY; 751 752 nv_encoder = find_encoder(connector, type); 753 if (!nv_encoder) { 754 NV_ERROR(drm, "can't find encoder to force %s on!\n", 755 connector->name); 756 connector->status = connector_status_disconnected; 757 return; 758 } 759 760 nouveau_connector_set_encoder(connector, nv_encoder); 761 } 762 763 static int 764 nouveau_connector_set_property(struct drm_connector *connector, 765 struct drm_property *property, uint64_t value) 766 { 767 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state); 768 struct nouveau_connector *nv_connector = nouveau_connector(connector); 769 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 770 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 771 int ret; 772 773 ret = connector->funcs->atomic_set_property(&nv_connector->base, 774 &asyc->state, 775 property, value); 776 if (ret) { 777 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 778 return get_slave_funcs(encoder)->set_property( 779 encoder, connector, property, value); 780 return ret; 781 } 782 783 nv_connector->scaling_mode = asyc->scaler.mode; 784 nv_connector->dithering_mode = asyc->dither.mode; 785 786 if (connector->encoder && connector->encoder->crtc) { 787 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 788 &connector->encoder->crtc->mode, 789 connector->encoder->crtc->x, 790 connector->encoder->crtc->y, 791 NULL); 792 if (!ret) 793 return -EINVAL; 794 } 795 796 return 0; 797 } 798 799 struct moderec { 800 int hdisplay; 801 int vdisplay; 802 }; 803 804 static struct moderec scaler_modes[] = { 805 { 1920, 1200 }, 806 { 1920, 1080 }, 807 { 1680, 1050 }, 808 { 1600, 1200 }, 809 { 1400, 1050 }, 810 { 1280, 1024 }, 811 { 1280, 960 }, 812 { 1152, 864 }, 813 { 1024, 768 }, 814 { 800, 600 }, 815 { 720, 400 }, 816 { 640, 480 }, 817 { 640, 400 }, 818 { 640, 350 }, 819 {} 820 }; 821 822 static int 823 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 824 { 825 struct nouveau_connector *nv_connector = nouveau_connector(connector); 826 struct drm_display_mode *native = nv_connector->native_mode, *m; 827 struct drm_device *dev = connector->dev; 828 struct moderec *mode = &scaler_modes[0]; 829 int modes = 0; 830 831 if (!native) 832 return 0; 833 834 while (mode->hdisplay) { 835 if (mode->hdisplay <= native->hdisplay && 836 mode->vdisplay <= native->vdisplay && 837 (mode->hdisplay != native->hdisplay || 838 mode->vdisplay != native->vdisplay)) { 839 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 840 drm_mode_vrefresh(native), false, 841 false, false); 842 if (!m) 843 continue; 844 845 drm_mode_probed_add(connector, m); 846 modes++; 847 } 848 849 mode++; 850 } 851 852 return modes; 853 } 854 855 static void 856 nouveau_connector_detect_depth(struct drm_connector *connector) 857 { 858 struct nouveau_drm *drm = nouveau_drm(connector->dev); 859 struct nouveau_connector *nv_connector = nouveau_connector(connector); 860 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 861 struct nvbios *bios = &drm->vbios; 862 struct drm_display_mode *mode = nv_connector->native_mode; 863 bool duallink; 864 865 /* if the edid is feeling nice enough to provide this info, use it */ 866 if (nv_connector->edid && connector->display_info.bpc) 867 return; 868 869 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 870 if (nv_connector->type == DCB_CONNECTOR_eDP) { 871 connector->display_info.bpc = 6; 872 return; 873 } 874 875 /* we're out of options unless we're LVDS, default to 8bpc */ 876 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 877 connector->display_info.bpc = 8; 878 return; 879 } 880 881 connector->display_info.bpc = 6; 882 883 /* LVDS: panel straps */ 884 if (bios->fp_no_ddc) { 885 if (bios->fp.if_is_24bit) 886 connector->display_info.bpc = 8; 887 return; 888 } 889 890 /* LVDS: DDC panel, need to first determine the number of links to 891 * know which if_is_24bit flag to check... 892 */ 893 if (nv_connector->edid && 894 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 895 duallink = ((u8 *)nv_connector->edid)[121] == 2; 896 else 897 duallink = mode->clock >= bios->fp.duallink_transition_clk; 898 899 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 900 ( duallink && (bios->fp.strapless_is_24bit & 2))) 901 connector->display_info.bpc = 8; 902 } 903 904 static int 905 nouveau_connector_get_modes(struct drm_connector *connector) 906 { 907 struct drm_device *dev = connector->dev; 908 struct nouveau_drm *drm = nouveau_drm(dev); 909 struct nouveau_connector *nv_connector = nouveau_connector(connector); 910 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 911 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 912 int ret = 0; 913 914 /* destroy the native mode, the attached monitor could have changed. 915 */ 916 if (nv_connector->native_mode) { 917 drm_mode_destroy(dev, nv_connector->native_mode); 918 nv_connector->native_mode = NULL; 919 } 920 921 if (nv_connector->edid) 922 ret = drm_add_edid_modes(connector, nv_connector->edid); 923 else 924 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 925 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 926 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 927 struct drm_display_mode mode; 928 929 nouveau_bios_fp_mode(dev, &mode); 930 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 931 } 932 933 /* Determine display colour depth for everything except LVDS now, 934 * DP requires this before mode_valid() is called. 935 */ 936 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 937 nouveau_connector_detect_depth(connector); 938 939 /* Find the native mode if this is a digital panel, if we didn't 940 * find any modes through DDC previously add the native mode to 941 * the list of modes. 942 */ 943 if (!nv_connector->native_mode) 944 nv_connector->native_mode = nouveau_conn_native_mode(connector); 945 if (ret == 0 && nv_connector->native_mode) { 946 struct drm_display_mode *mode; 947 948 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 949 drm_mode_probed_add(connector, mode); 950 ret = 1; 951 } 952 953 /* Determine LVDS colour depth, must happen after determining 954 * "native" mode as some VBIOS tables require us to use the 955 * pixel clock as part of the lookup... 956 */ 957 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 958 nouveau_connector_detect_depth(connector); 959 960 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 961 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 962 963 if (nv_connector->type == DCB_CONNECTOR_LVDS || 964 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 965 nv_connector->type == DCB_CONNECTOR_eDP) 966 ret += nouveau_connector_scaler_modes_add(connector); 967 968 return ret; 969 } 970 971 static unsigned 972 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi) 973 { 974 struct nouveau_connector *nv_connector = nouveau_connector(connector); 975 struct nouveau_drm *drm = nouveau_drm(connector->dev); 976 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 977 978 if (hdmi) { 979 if (nouveau_hdmimhz > 0) 980 return nouveau_hdmimhz * 1000; 981 /* Note: these limits are conservative, some Fermi's 982 * can do 297 MHz. Unclear how this can be determined. 983 */ 984 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 985 return 297000; 986 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 987 return 225000; 988 } 989 if (dcb->location != DCB_LOC_ON_CHIP || 990 drm->client.device.info.chipset >= 0x46) 991 return 165000; 992 else if (drm->client.device.info.chipset >= 0x40) 993 return 155000; 994 else if (drm->client.device.info.chipset >= 0x18) 995 return 135000; 996 else 997 return 112000; 998 } 999 1000 static int 1001 nouveau_connector_mode_valid(struct drm_connector *connector, 1002 struct drm_display_mode *mode) 1003 { 1004 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1005 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1006 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1007 unsigned min_clock = 25000, max_clock = min_clock; 1008 unsigned clock = mode->clock; 1009 bool hdmi; 1010 1011 switch (nv_encoder->dcb->type) { 1012 case DCB_OUTPUT_LVDS: 1013 if (nv_connector->native_mode && 1014 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1015 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1016 return MODE_PANEL; 1017 1018 min_clock = 0; 1019 max_clock = 400000; 1020 break; 1021 case DCB_OUTPUT_TMDS: 1022 hdmi = drm_detect_hdmi_monitor(nv_connector->edid); 1023 max_clock = get_tmds_link_bandwidth(connector, hdmi); 1024 if (!hdmi && nouveau_duallink && 1025 nv_encoder->dcb->duallink_possible) 1026 max_clock *= 2; 1027 break; 1028 case DCB_OUTPUT_ANALOG: 1029 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1030 if (!max_clock) 1031 max_clock = 350000; 1032 break; 1033 case DCB_OUTPUT_TV: 1034 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1035 case DCB_OUTPUT_DP: 1036 max_clock = nv_encoder->dp.link_nr; 1037 max_clock *= nv_encoder->dp.link_bw; 1038 clock = clock * (connector->display_info.bpc * 3) / 10; 1039 break; 1040 default: 1041 BUG(); 1042 return MODE_BAD; 1043 } 1044 1045 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1046 clock *= 2; 1047 1048 if (clock < min_clock) 1049 return MODE_CLOCK_LOW; 1050 1051 if (clock > max_clock) 1052 return MODE_CLOCK_HIGH; 1053 1054 return MODE_OK; 1055 } 1056 1057 static struct drm_encoder * 1058 nouveau_connector_best_encoder(struct drm_connector *connector) 1059 { 1060 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1061 1062 if (nv_connector->detected_encoder) 1063 return to_drm_encoder(nv_connector->detected_encoder); 1064 1065 return NULL; 1066 } 1067 1068 static const struct drm_connector_helper_funcs 1069 nouveau_connector_helper_funcs = { 1070 .get_modes = nouveau_connector_get_modes, 1071 .mode_valid = nouveau_connector_mode_valid, 1072 .best_encoder = nouveau_connector_best_encoder, 1073 }; 1074 1075 static const struct drm_connector_funcs 1076 nouveau_connector_funcs = { 1077 .dpms = drm_helper_connector_dpms, 1078 .reset = nouveau_conn_reset, 1079 .detect = nouveau_connector_detect, 1080 .force = nouveau_connector_force, 1081 .fill_modes = drm_helper_probe_single_connector_modes, 1082 .set_property = nouveau_connector_set_property, 1083 .destroy = nouveau_connector_destroy, 1084 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1085 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1086 .atomic_set_property = nouveau_conn_atomic_set_property, 1087 .atomic_get_property = nouveau_conn_atomic_get_property, 1088 }; 1089 1090 static const struct drm_connector_funcs 1091 nouveau_connector_funcs_lvds = { 1092 .dpms = drm_helper_connector_dpms, 1093 .reset = nouveau_conn_reset, 1094 .detect = nouveau_connector_detect_lvds, 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 }; 1104 1105 static int 1106 nouveau_connector_hotplug(struct nvif_notify *notify) 1107 { 1108 struct nouveau_connector *nv_connector = 1109 container_of(notify, typeof(*nv_connector), hpd); 1110 struct drm_connector *connector = &nv_connector->base; 1111 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1112 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1113 const char *name = connector->name; 1114 struct nouveau_encoder *nv_encoder; 1115 1116 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1117 NV_DEBUG(drm, "service %s\n", name); 1118 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1119 nv50_mstm_service(nv_encoder->dp.mstm); 1120 } else { 1121 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1122 1123 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1124 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1125 if (!plugged) 1126 nv50_mstm_remove(nv_encoder->dp.mstm); 1127 } 1128 1129 drm_helper_hpd_irq_event(connector->dev); 1130 } 1131 1132 return NVIF_NOTIFY_KEEP; 1133 } 1134 1135 static ssize_t 1136 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1137 { 1138 struct nouveau_connector *nv_connector = 1139 container_of(obj, typeof(*nv_connector), aux); 1140 struct nouveau_encoder *nv_encoder; 1141 struct nvkm_i2c_aux *aux; 1142 u8 size = msg->size; 1143 int ret; 1144 1145 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1146 if (!nv_encoder || !(aux = nv_encoder->aux)) 1147 return -ENODEV; 1148 if (WARN_ON(msg->size > 16)) 1149 return -E2BIG; 1150 1151 ret = nvkm_i2c_aux_acquire(aux); 1152 if (ret) 1153 return ret; 1154 1155 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1156 msg->buffer, &size); 1157 nvkm_i2c_aux_release(aux); 1158 if (ret >= 0) { 1159 msg->reply = ret; 1160 return size; 1161 } 1162 1163 return ret; 1164 } 1165 1166 static int 1167 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1168 { 1169 switch (dcb) { 1170 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1171 case DCB_CONNECTOR_TV_0 : 1172 case DCB_CONNECTOR_TV_1 : 1173 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1174 case DCB_CONNECTOR_DMS59_0 : 1175 case DCB_CONNECTOR_DMS59_1 : 1176 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1177 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1178 case DCB_CONNECTOR_LVDS : 1179 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1180 case DCB_CONNECTOR_DMS59_DP0: 1181 case DCB_CONNECTOR_DMS59_DP1: 1182 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort; 1183 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1184 case DCB_CONNECTOR_HDMI_0 : 1185 case DCB_CONNECTOR_HDMI_1 : 1186 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1187 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1188 default: 1189 break; 1190 } 1191 1192 return DRM_MODE_CONNECTOR_Unknown; 1193 } 1194 1195 struct drm_connector * 1196 nouveau_connector_create(struct drm_device *dev, int index) 1197 { 1198 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1199 struct nouveau_drm *drm = nouveau_drm(dev); 1200 struct nouveau_display *disp = nouveau_display(dev); 1201 struct nouveau_connector *nv_connector = NULL; 1202 struct drm_connector *connector; 1203 int type, ret = 0; 1204 bool dummy; 1205 1206 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1207 nv_connector = nouveau_connector(connector); 1208 if (nv_connector->index == index) 1209 return connector; 1210 } 1211 1212 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1213 if (!nv_connector) 1214 return ERR_PTR(-ENOMEM); 1215 1216 connector = &nv_connector->base; 1217 nv_connector->index = index; 1218 1219 /* attempt to parse vbios connector type and hotplug gpio */ 1220 nv_connector->dcb = olddcb_conn(dev, index); 1221 if (nv_connector->dcb) { 1222 u32 entry = ROM16(nv_connector->dcb[0]); 1223 if (olddcb_conntab(dev)[3] >= 4) 1224 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1225 1226 nv_connector->type = nv_connector->dcb[0]; 1227 if (drm_conntype_from_dcb(nv_connector->type) == 1228 DRM_MODE_CONNECTOR_Unknown) { 1229 NV_WARN(drm, "unknown connector type %02x\n", 1230 nv_connector->type); 1231 nv_connector->type = DCB_CONNECTOR_NONE; 1232 } 1233 1234 /* Gigabyte NX85T */ 1235 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1236 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1237 nv_connector->type = DCB_CONNECTOR_DVI_I; 1238 } 1239 1240 /* Gigabyte GV-NX86T512H */ 1241 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1242 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1243 nv_connector->type = DCB_CONNECTOR_DVI_I; 1244 } 1245 } else { 1246 nv_connector->type = DCB_CONNECTOR_NONE; 1247 } 1248 1249 /* no vbios data, or an unknown dcb connector type - attempt to 1250 * figure out something suitable ourselves 1251 */ 1252 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1253 struct nouveau_drm *drm = nouveau_drm(dev); 1254 struct dcb_table *dcbt = &drm->vbios.dcb; 1255 u32 encoders = 0; 1256 int i; 1257 1258 for (i = 0; i < dcbt->entries; i++) { 1259 if (dcbt->entry[i].connector == nv_connector->index) 1260 encoders |= (1 << dcbt->entry[i].type); 1261 } 1262 1263 if (encoders & (1 << DCB_OUTPUT_DP)) { 1264 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1265 nv_connector->type = DCB_CONNECTOR_DP; 1266 else 1267 nv_connector->type = DCB_CONNECTOR_eDP; 1268 } else 1269 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1270 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1271 nv_connector->type = DCB_CONNECTOR_DVI_I; 1272 else 1273 nv_connector->type = DCB_CONNECTOR_DVI_D; 1274 } else 1275 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1276 nv_connector->type = DCB_CONNECTOR_VGA; 1277 } else 1278 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1279 nv_connector->type = DCB_CONNECTOR_LVDS; 1280 } else 1281 if (encoders & (1 << DCB_OUTPUT_TV)) { 1282 nv_connector->type = DCB_CONNECTOR_TV_0; 1283 } 1284 } 1285 1286 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1287 case DRM_MODE_CONNECTOR_LVDS: 1288 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1289 if (ret) { 1290 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1291 kfree(nv_connector); 1292 return ERR_PTR(ret); 1293 } 1294 1295 funcs = &nouveau_connector_funcs_lvds; 1296 break; 1297 case DRM_MODE_CONNECTOR_DisplayPort: 1298 case DRM_MODE_CONNECTOR_eDP: 1299 nv_connector->aux.dev = dev->dev; 1300 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1301 ret = drm_dp_aux_register(&nv_connector->aux); 1302 if (ret) { 1303 NV_ERROR(drm, "failed to register aux channel\n"); 1304 kfree(nv_connector); 1305 return ERR_PTR(ret); 1306 } 1307 1308 funcs = &nouveau_connector_funcs; 1309 break; 1310 default: 1311 funcs = &nouveau_connector_funcs; 1312 break; 1313 } 1314 1315 /* HDMI 3D support */ 1316 if ((disp->disp.oclass >= G82_DISP) 1317 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1318 || (type == DRM_MODE_CONNECTOR_eDP) 1319 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1320 connector->stereo_allowed = true; 1321 1322 /* defaults, will get overridden in detect() */ 1323 connector->interlace_allowed = false; 1324 connector->doublescan_allowed = false; 1325 1326 drm_connector_init(dev, connector, funcs, type); 1327 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1328 1329 connector->funcs->reset(connector); 1330 nouveau_conn_attach_properties(connector); 1331 1332 /* Default scaling mode */ 1333 switch (nv_connector->type) { 1334 case DCB_CONNECTOR_LVDS: 1335 case DCB_CONNECTOR_LVDS_SPWG: 1336 case DCB_CONNECTOR_eDP: 1337 /* see note in nouveau_connector_set_property() */ 1338 if (disp->disp.oclass < NV50_DISP) { 1339 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1340 break; 1341 } 1342 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1343 break; 1344 default: 1345 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1346 break; 1347 } 1348 1349 /* dithering properties */ 1350 switch (nv_connector->type) { 1351 case DCB_CONNECTOR_TV_0: 1352 case DCB_CONNECTOR_TV_1: 1353 case DCB_CONNECTOR_TV_3: 1354 case DCB_CONNECTOR_VGA: 1355 break; 1356 default: 1357 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1358 break; 1359 } 1360 1361 ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true, 1362 NV04_DISP_NTFY_CONN, 1363 &(struct nvif_notify_conn_req_v0) { 1364 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1365 .conn = index, 1366 }, 1367 sizeof(struct nvif_notify_conn_req_v0), 1368 sizeof(struct nvif_notify_conn_rep_v0), 1369 &nv_connector->hpd); 1370 if (ret) 1371 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1372 else 1373 connector->polled = DRM_CONNECTOR_POLL_HPD; 1374 1375 drm_connector_register(connector); 1376 return connector; 1377 } 1378