1 /* 2 * Copyright (C) 2008 Maarten Maathuis. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #include <acpi/button.h> 28 29 #include <linux/pm_runtime.h> 30 #include <linux/vga_switcheroo.h> 31 32 #include <drm/drmP.h> 33 #include <drm/drm_atomic_helper.h> 34 #include <drm/drm_edid.h> 35 #include <drm/drm_crtc_helper.h> 36 #include <drm/drm_atomic.h> 37 38 #include "nouveau_reg.h" 39 #include "nouveau_drv.h" 40 #include "dispnv04/hw.h" 41 #include "nouveau_acpi.h" 42 43 #include "nouveau_display.h" 44 #include "nouveau_connector.h" 45 #include "nouveau_encoder.h" 46 #include "nouveau_crtc.h" 47 48 #include <nvif/class.h> 49 #include <nvif/cl0046.h> 50 #include <nvif/event.h> 51 52 struct drm_display_mode * 53 nouveau_conn_native_mode(struct drm_connector *connector) 54 { 55 const struct drm_connector_helper_funcs *helper = connector->helper_private; 56 struct nouveau_drm *drm = nouveau_drm(connector->dev); 57 struct drm_device *dev = connector->dev; 58 struct drm_display_mode *mode, *largest = NULL; 59 int high_w = 0, high_h = 0, high_v = 0; 60 61 list_for_each_entry(mode, &connector->probed_modes, head) { 62 mode->vrefresh = drm_mode_vrefresh(mode); 63 if (helper->mode_valid(connector, mode) != MODE_OK || 64 (mode->flags & DRM_MODE_FLAG_INTERLACE)) 65 continue; 66 67 /* Use preferred mode if there is one.. */ 68 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 69 NV_DEBUG(drm, "native mode from preferred\n"); 70 return drm_mode_duplicate(dev, mode); 71 } 72 73 /* Otherwise, take the resolution with the largest width, then 74 * height, then vertical refresh 75 */ 76 if (mode->hdisplay < high_w) 77 continue; 78 79 if (mode->hdisplay == high_w && mode->vdisplay < high_h) 80 continue; 81 82 if (mode->hdisplay == high_w && mode->vdisplay == high_h && 83 mode->vrefresh < high_v) 84 continue; 85 86 high_w = mode->hdisplay; 87 high_h = mode->vdisplay; 88 high_v = mode->vrefresh; 89 largest = mode; 90 } 91 92 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n", 93 high_w, high_h, high_v); 94 return largest ? drm_mode_duplicate(dev, largest) : NULL; 95 } 96 97 int 98 nouveau_conn_atomic_get_property(struct drm_connector *connector, 99 const struct drm_connector_state *state, 100 struct drm_property *property, u64 *val) 101 { 102 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 103 struct nouveau_display *disp = nouveau_display(connector->dev); 104 struct drm_device *dev = connector->dev; 105 106 if (property == dev->mode_config.scaling_mode_property) 107 *val = asyc->scaler.mode; 108 else if (property == disp->underscan_property) 109 *val = asyc->scaler.underscan.mode; 110 else if (property == disp->underscan_hborder_property) 111 *val = asyc->scaler.underscan.hborder; 112 else if (property == disp->underscan_vborder_property) 113 *val = asyc->scaler.underscan.vborder; 114 else if (property == disp->dithering_mode) 115 *val = asyc->dither.mode; 116 else if (property == disp->dithering_depth) 117 *val = asyc->dither.depth; 118 else if (property == disp->vibrant_hue_property) 119 *val = asyc->procamp.vibrant_hue; 120 else if (property == disp->color_vibrance_property) 121 *val = asyc->procamp.color_vibrance; 122 else 123 return -EINVAL; 124 125 return 0; 126 } 127 128 int 129 nouveau_conn_atomic_set_property(struct drm_connector *connector, 130 struct drm_connector_state *state, 131 struct drm_property *property, u64 val) 132 { 133 struct drm_device *dev = connector->dev; 134 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 135 struct nouveau_display *disp = nouveau_display(dev); 136 137 if (property == dev->mode_config.scaling_mode_property) { 138 switch (val) { 139 case DRM_MODE_SCALE_NONE: 140 /* We allow 'None' for EDID modes, even on a fixed 141 * panel (some exist with support for lower refresh 142 * rates, which people might want to use for power- 143 * saving purposes). 144 * 145 * Non-EDID modes will force the use of GPU scaling 146 * to the native mode regardless of this setting. 147 */ 148 switch (connector->connector_type) { 149 case DRM_MODE_CONNECTOR_LVDS: 150 case DRM_MODE_CONNECTOR_eDP: 151 /* ... except prior to G80, where the code 152 * doesn't support such things. 153 */ 154 if (disp->disp.object.oclass < NV50_DISP) 155 return -EINVAL; 156 break; 157 default: 158 break; 159 } 160 case DRM_MODE_SCALE_FULLSCREEN: 161 case DRM_MODE_SCALE_CENTER: 162 case DRM_MODE_SCALE_ASPECT: 163 break; 164 default: 165 return -EINVAL; 166 } 167 168 if (asyc->scaler.mode != val) { 169 asyc->scaler.mode = val; 170 asyc->set.scaler = true; 171 } 172 } else 173 if (property == disp->underscan_property) { 174 if (asyc->scaler.underscan.mode != val) { 175 asyc->scaler.underscan.mode = val; 176 asyc->set.scaler = true; 177 } 178 } else 179 if (property == disp->underscan_hborder_property) { 180 if (asyc->scaler.underscan.hborder != val) { 181 asyc->scaler.underscan.hborder = val; 182 asyc->set.scaler = true; 183 } 184 } else 185 if (property == disp->underscan_vborder_property) { 186 if (asyc->scaler.underscan.vborder != val) { 187 asyc->scaler.underscan.vborder = val; 188 asyc->set.scaler = true; 189 } 190 } else 191 if (property == disp->dithering_mode) { 192 if (asyc->dither.mode != val) { 193 asyc->dither.mode = val; 194 asyc->set.dither = true; 195 } 196 } else 197 if (property == disp->dithering_depth) { 198 if (asyc->dither.mode != val) { 199 asyc->dither.depth = val; 200 asyc->set.dither = true; 201 } 202 } else 203 if (property == disp->vibrant_hue_property) { 204 if (asyc->procamp.vibrant_hue != val) { 205 asyc->procamp.vibrant_hue = val; 206 asyc->set.procamp = true; 207 } 208 } else 209 if (property == disp->color_vibrance_property) { 210 if (asyc->procamp.color_vibrance != val) { 211 asyc->procamp.color_vibrance = val; 212 asyc->set.procamp = true; 213 } 214 } else { 215 return -EINVAL; 216 } 217 218 return 0; 219 } 220 221 void 222 nouveau_conn_atomic_destroy_state(struct drm_connector *connector, 223 struct drm_connector_state *state) 224 { 225 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state); 226 __drm_atomic_helper_connector_destroy_state(&asyc->state); 227 kfree(asyc); 228 } 229 230 struct drm_connector_state * 231 nouveau_conn_atomic_duplicate_state(struct drm_connector *connector) 232 { 233 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state); 234 struct nouveau_conn_atom *asyc; 235 if (!(asyc = kmalloc(sizeof(*asyc), GFP_KERNEL))) 236 return NULL; 237 __drm_atomic_helper_connector_duplicate_state(connector, &asyc->state); 238 asyc->dither = armc->dither; 239 asyc->scaler = armc->scaler; 240 asyc->procamp = armc->procamp; 241 asyc->set.mask = 0; 242 return &asyc->state; 243 } 244 245 void 246 nouveau_conn_reset(struct drm_connector *connector) 247 { 248 struct nouveau_conn_atom *asyc; 249 250 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL)))) 251 return; 252 253 if (connector->state) 254 __drm_atomic_helper_connector_destroy_state(connector->state); 255 __drm_atomic_helper_connector_reset(connector, &asyc->state); 256 asyc->dither.mode = DITHERING_MODE_AUTO; 257 asyc->dither.depth = DITHERING_DEPTH_AUTO; 258 asyc->scaler.mode = DRM_MODE_SCALE_NONE; 259 asyc->scaler.underscan.mode = UNDERSCAN_OFF; 260 asyc->procamp.color_vibrance = 150; 261 asyc->procamp.vibrant_hue = 90; 262 263 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) { 264 switch (connector->connector_type) { 265 case DRM_MODE_CONNECTOR_LVDS: 266 /* See note in nouveau_conn_atomic_set_property(). */ 267 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN; 268 break; 269 default: 270 break; 271 } 272 } 273 } 274 275 void 276 nouveau_conn_attach_properties(struct drm_connector *connector) 277 { 278 struct drm_device *dev = connector->dev; 279 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state); 280 struct nouveau_display *disp = nouveau_display(dev); 281 282 /* Init DVI-I specific properties. */ 283 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) 284 drm_object_attach_property(&connector->base, dev->mode_config. 285 dvi_i_subconnector_property, 0); 286 287 /* Add overscan compensation options to digital outputs. */ 288 if (disp->underscan_property && 289 (connector->connector_type == DRM_MODE_CONNECTOR_DVID || 290 connector->connector_type == DRM_MODE_CONNECTOR_DVII || 291 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || 292 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) { 293 drm_object_attach_property(&connector->base, 294 disp->underscan_property, 295 UNDERSCAN_OFF); 296 drm_object_attach_property(&connector->base, 297 disp->underscan_hborder_property, 0); 298 drm_object_attach_property(&connector->base, 299 disp->underscan_vborder_property, 0); 300 } 301 302 /* Add hue and saturation options. */ 303 if (disp->vibrant_hue_property) 304 drm_object_attach_property(&connector->base, 305 disp->vibrant_hue_property, 306 armc->procamp.vibrant_hue); 307 if (disp->color_vibrance_property) 308 drm_object_attach_property(&connector->base, 309 disp->color_vibrance_property, 310 armc->procamp.color_vibrance); 311 312 /* Scaling mode property. */ 313 switch (connector->connector_type) { 314 case DRM_MODE_CONNECTOR_TV: 315 break; 316 case DRM_MODE_CONNECTOR_VGA: 317 if (disp->disp.object.oclass < NV50_DISP) 318 break; /* Can only scale on DFPs. */ 319 /* Fall-through. */ 320 default: 321 drm_object_attach_property(&connector->base, dev->mode_config. 322 scaling_mode_property, 323 armc->scaler.mode); 324 break; 325 } 326 327 /* Dithering properties. */ 328 switch (connector->connector_type) { 329 case DRM_MODE_CONNECTOR_TV: 330 case DRM_MODE_CONNECTOR_VGA: 331 break; 332 default: 333 if (disp->dithering_mode) { 334 drm_object_attach_property(&connector->base, 335 disp->dithering_mode, 336 armc->dither.mode); 337 } 338 if (disp->dithering_depth) { 339 drm_object_attach_property(&connector->base, 340 disp->dithering_depth, 341 armc->dither.depth); 342 } 343 break; 344 } 345 } 346 347 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); 348 int nouveau_tv_disable = 0; 349 module_param_named(tv_disable, nouveau_tv_disable, int, 0400); 350 351 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status"); 352 int nouveau_ignorelid = 0; 353 module_param_named(ignorelid, nouveau_ignorelid, int, 0400); 354 355 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); 356 int nouveau_duallink = 1; 357 module_param_named(duallink, nouveau_duallink, int, 0400); 358 359 MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)"); 360 int nouveau_hdmimhz = 0; 361 module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400); 362 363 struct nouveau_encoder * 364 find_encoder(struct drm_connector *connector, int type) 365 { 366 struct nouveau_encoder *nv_encoder; 367 struct drm_encoder *enc; 368 int i; 369 370 drm_connector_for_each_possible_encoder(connector, enc, i) { 371 nv_encoder = nouveau_encoder(enc); 372 373 if (type == DCB_OUTPUT_ANY || 374 (nv_encoder->dcb && nv_encoder->dcb->type == type)) 375 return nv_encoder; 376 } 377 378 return NULL; 379 } 380 381 struct nouveau_connector * 382 nouveau_encoder_connector_get(struct nouveau_encoder *encoder) 383 { 384 struct drm_device *dev = to_drm_encoder(encoder)->dev; 385 struct drm_connector *drm_connector; 386 387 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { 388 if (drm_connector->encoder == to_drm_encoder(encoder)) 389 return nouveau_connector(drm_connector); 390 } 391 392 return NULL; 393 } 394 395 static void 396 nouveau_connector_destroy(struct drm_connector *connector) 397 { 398 struct nouveau_connector *nv_connector = nouveau_connector(connector); 399 nvif_notify_fini(&nv_connector->hpd); 400 kfree(nv_connector->edid); 401 drm_connector_unregister(connector); 402 drm_connector_cleanup(connector); 403 if (nv_connector->aux.transfer) { 404 drm_dp_cec_unregister_connector(&nv_connector->aux); 405 drm_dp_aux_unregister(&nv_connector->aux); 406 } 407 kfree(connector); 408 } 409 410 static struct nouveau_encoder * 411 nouveau_connector_ddc_detect(struct drm_connector *connector) 412 { 413 struct drm_device *dev = connector->dev; 414 struct nouveau_connector *nv_connector = nouveau_connector(connector); 415 struct nouveau_drm *drm = nouveau_drm(dev); 416 struct nvkm_gpio *gpio = nvxx_gpio(&drm->client.device); 417 struct nouveau_encoder *nv_encoder = NULL; 418 struct drm_encoder *encoder; 419 int i, panel = -ENODEV; 420 421 /* eDP panels need powering on by us (if the VBIOS doesn't default it 422 * to on) before doing any AUX channel transactions. LVDS panel power 423 * is handled by the SOR itself, and not required for LVDS DDC. 424 */ 425 if (nv_connector->type == DCB_CONNECTOR_eDP) { 426 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff); 427 if (panel == 0) { 428 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1); 429 msleep(300); 430 } 431 } 432 433 drm_connector_for_each_possible_encoder(connector, encoder, i) { 434 nv_encoder = nouveau_encoder(encoder); 435 436 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) { 437 int ret = nouveau_dp_detect(nv_encoder); 438 if (ret == NOUVEAU_DP_MST) 439 return NULL; 440 if (ret == NOUVEAU_DP_SST) 441 break; 442 } else 443 if ((vga_switcheroo_handler_flags() & 444 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 445 nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 446 nv_encoder->i2c) { 447 int ret; 448 vga_switcheroo_lock_ddc(dev->pdev); 449 ret = nvkm_probe_i2c(nv_encoder->i2c, 0x50); 450 vga_switcheroo_unlock_ddc(dev->pdev); 451 if (ret) 452 break; 453 } else 454 if (nv_encoder->i2c) { 455 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 456 break; 457 } 458 } 459 460 /* eDP panel not detected, restore panel power GPIO to previous 461 * state to avoid confusing the SOR for other output types. 462 */ 463 if (!nv_encoder && panel == 0) 464 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel); 465 466 return nv_encoder; 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 acquiring a 561 * runtime PM ref here is unnecessary (and would deadlock upon 562 * runtime suspend because it waits for polling to finish). 563 */ 564 if (!drm_kms_helper_is_poll_worker()) { 565 ret = pm_runtime_get_sync(connector->dev->dev); 566 if (ret < 0 && ret != -EACCES) 567 return conn_status; 568 } 569 570 nv_encoder = nouveau_connector_ddc_detect(connector); 571 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 572 if ((vga_switcheroo_handler_flags() & 573 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 574 nv_connector->type == DCB_CONNECTOR_LVDS) 575 nv_connector->edid = drm_get_edid_switcheroo(connector, 576 i2c); 577 else 578 nv_connector->edid = drm_get_edid(connector, i2c); 579 580 drm_connector_update_edid_property(connector, 581 nv_connector->edid); 582 if (!nv_connector->edid) { 583 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 584 connector->name); 585 goto detect_analog; 586 } 587 588 /* Override encoder type for DVI-I based on whether EDID 589 * says the display is digital or analog, both use the 590 * same i2c channel so the value returned from ddc_detect 591 * isn't necessarily correct. 592 */ 593 nv_partner = NULL; 594 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 595 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 596 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 597 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 598 599 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 600 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 601 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 602 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 603 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 604 type = DCB_OUTPUT_TMDS; 605 else 606 type = DCB_OUTPUT_ANALOG; 607 608 nv_encoder = find_encoder(connector, type); 609 } 610 611 nouveau_connector_set_encoder(connector, nv_encoder); 612 conn_status = connector_status_connected; 613 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid); 614 goto out; 615 } 616 617 nv_encoder = nouveau_connector_of_detect(connector); 618 if (nv_encoder) { 619 nouveau_connector_set_encoder(connector, nv_encoder); 620 conn_status = connector_status_connected; 621 goto out; 622 } 623 624 detect_analog: 625 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 626 if (!nv_encoder && !nouveau_tv_disable) 627 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 628 if (nv_encoder && force) { 629 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 630 const struct drm_encoder_helper_funcs *helper = 631 encoder->helper_private; 632 633 if (helper->detect(encoder, connector) == 634 connector_status_connected) { 635 nouveau_connector_set_encoder(connector, nv_encoder); 636 conn_status = connector_status_connected; 637 goto out; 638 } 639 640 } 641 642 out: 643 644 if (!drm_kms_helper_is_poll_worker()) { 645 pm_runtime_mark_last_busy(connector->dev->dev); 646 pm_runtime_put_autosuspend(connector->dev->dev); 647 } 648 649 return conn_status; 650 } 651 652 static enum drm_connector_status 653 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 654 { 655 struct drm_device *dev = connector->dev; 656 struct nouveau_drm *drm = nouveau_drm(dev); 657 struct nouveau_connector *nv_connector = nouveau_connector(connector); 658 struct nouveau_encoder *nv_encoder = NULL; 659 enum drm_connector_status status = connector_status_disconnected; 660 661 /* Cleanup the previous EDID block. */ 662 if (nv_connector->edid) { 663 drm_connector_update_edid_property(connector, NULL); 664 kfree(nv_connector->edid); 665 nv_connector->edid = NULL; 666 } 667 668 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 669 if (!nv_encoder) 670 return connector_status_disconnected; 671 672 /* Try retrieving EDID via DDC */ 673 if (!drm->vbios.fp_no_ddc) { 674 status = nouveau_connector_detect(connector, force); 675 if (status == connector_status_connected) 676 goto out; 677 } 678 679 /* On some laptops (Sony, i'm looking at you) there appears to 680 * be no direct way of accessing the panel's EDID. The only 681 * option available to us appears to be to ask ACPI for help.. 682 * 683 * It's important this check's before trying straps, one of the 684 * said manufacturer's laptops are configured in such a way 685 * the nouveau decides an entry in the VBIOS FP mode table is 686 * valid - it's not (rh#613284) 687 */ 688 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 689 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 690 status = connector_status_connected; 691 goto out; 692 } 693 } 694 695 /* If no EDID found above, and the VBIOS indicates a hardcoded 696 * modeline is avalilable for the panel, set it as the panel's 697 * native mode and exit. 698 */ 699 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 700 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 701 status = connector_status_connected; 702 goto out; 703 } 704 705 /* Still nothing, some VBIOS images have a hardcoded EDID block 706 * stored for the panel stored in them. 707 */ 708 if (!drm->vbios.fp_no_ddc) { 709 struct edid *edid = 710 (struct edid *)nouveau_bios_embedded_edid(dev); 711 if (edid) { 712 nv_connector->edid = 713 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 714 if (nv_connector->edid) 715 status = connector_status_connected; 716 } 717 } 718 719 out: 720 #if defined(CONFIG_ACPI_BUTTON) || \ 721 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 722 if (status == connector_status_connected && 723 !nouveau_ignorelid && !acpi_lid_open()) 724 status = connector_status_unknown; 725 #endif 726 727 drm_connector_update_edid_property(connector, nv_connector->edid); 728 nouveau_connector_set_encoder(connector, nv_encoder); 729 return status; 730 } 731 732 static void 733 nouveau_connector_force(struct drm_connector *connector) 734 { 735 struct nouveau_drm *drm = nouveau_drm(connector->dev); 736 struct nouveau_connector *nv_connector = nouveau_connector(connector); 737 struct nouveau_encoder *nv_encoder; 738 int type; 739 740 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 741 if (connector->force == DRM_FORCE_ON_DIGITAL) 742 type = DCB_OUTPUT_TMDS; 743 else 744 type = DCB_OUTPUT_ANALOG; 745 } else 746 type = DCB_OUTPUT_ANY; 747 748 nv_encoder = find_encoder(connector, type); 749 if (!nv_encoder) { 750 NV_ERROR(drm, "can't find encoder to force %s on!\n", 751 connector->name); 752 connector->status = connector_status_disconnected; 753 return; 754 } 755 756 nouveau_connector_set_encoder(connector, nv_encoder); 757 } 758 759 static int 760 nouveau_connector_set_property(struct drm_connector *connector, 761 struct drm_property *property, uint64_t value) 762 { 763 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state); 764 struct nouveau_connector *nv_connector = nouveau_connector(connector); 765 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 766 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 767 int ret; 768 769 ret = connector->funcs->atomic_set_property(&nv_connector->base, 770 &asyc->state, 771 property, value); 772 if (ret) { 773 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 774 return get_slave_funcs(encoder)->set_property( 775 encoder, connector, property, value); 776 return ret; 777 } 778 779 nv_connector->scaling_mode = asyc->scaler.mode; 780 nv_connector->dithering_mode = asyc->dither.mode; 781 782 if (connector->encoder && connector->encoder->crtc) { 783 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 784 &connector->encoder->crtc->mode, 785 connector->encoder->crtc->x, 786 connector->encoder->crtc->y, 787 NULL); 788 if (!ret) 789 return -EINVAL; 790 } 791 792 return 0; 793 } 794 795 struct moderec { 796 int hdisplay; 797 int vdisplay; 798 }; 799 800 static struct moderec scaler_modes[] = { 801 { 1920, 1200 }, 802 { 1920, 1080 }, 803 { 1680, 1050 }, 804 { 1600, 1200 }, 805 { 1400, 1050 }, 806 { 1280, 1024 }, 807 { 1280, 960 }, 808 { 1152, 864 }, 809 { 1024, 768 }, 810 { 800, 600 }, 811 { 720, 400 }, 812 { 640, 480 }, 813 { 640, 400 }, 814 { 640, 350 }, 815 {} 816 }; 817 818 static int 819 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 820 { 821 struct nouveau_connector *nv_connector = nouveau_connector(connector); 822 struct drm_display_mode *native = nv_connector->native_mode, *m; 823 struct drm_device *dev = connector->dev; 824 struct moderec *mode = &scaler_modes[0]; 825 int modes = 0; 826 827 if (!native) 828 return 0; 829 830 while (mode->hdisplay) { 831 if (mode->hdisplay <= native->hdisplay && 832 mode->vdisplay <= native->vdisplay && 833 (mode->hdisplay != native->hdisplay || 834 mode->vdisplay != native->vdisplay)) { 835 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 836 drm_mode_vrefresh(native), false, 837 false, false); 838 if (!m) 839 continue; 840 841 drm_mode_probed_add(connector, m); 842 modes++; 843 } 844 845 mode++; 846 } 847 848 return modes; 849 } 850 851 static void 852 nouveau_connector_detect_depth(struct drm_connector *connector) 853 { 854 struct nouveau_drm *drm = nouveau_drm(connector->dev); 855 struct nouveau_connector *nv_connector = nouveau_connector(connector); 856 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 857 struct nvbios *bios = &drm->vbios; 858 struct drm_display_mode *mode = nv_connector->native_mode; 859 bool duallink; 860 861 /* if the edid is feeling nice enough to provide this info, use it */ 862 if (nv_connector->edid && connector->display_info.bpc) 863 return; 864 865 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 866 if (nv_connector->type == DCB_CONNECTOR_eDP) { 867 connector->display_info.bpc = 6; 868 return; 869 } 870 871 /* we're out of options unless we're LVDS, default to 8bpc */ 872 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 873 connector->display_info.bpc = 8; 874 return; 875 } 876 877 connector->display_info.bpc = 6; 878 879 /* LVDS: panel straps */ 880 if (bios->fp_no_ddc) { 881 if (bios->fp.if_is_24bit) 882 connector->display_info.bpc = 8; 883 return; 884 } 885 886 /* LVDS: DDC panel, need to first determine the number of links to 887 * know which if_is_24bit flag to check... 888 */ 889 if (nv_connector->edid && 890 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 891 duallink = ((u8 *)nv_connector->edid)[121] == 2; 892 else 893 duallink = mode->clock >= bios->fp.duallink_transition_clk; 894 895 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 896 ( duallink && (bios->fp.strapless_is_24bit & 2))) 897 connector->display_info.bpc = 8; 898 } 899 900 static int 901 nouveau_connector_get_modes(struct drm_connector *connector) 902 { 903 struct drm_device *dev = connector->dev; 904 struct nouveau_drm *drm = nouveau_drm(dev); 905 struct nouveau_connector *nv_connector = nouveau_connector(connector); 906 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 907 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 908 int ret = 0; 909 910 /* destroy the native mode, the attached monitor could have changed. 911 */ 912 if (nv_connector->native_mode) { 913 drm_mode_destroy(dev, nv_connector->native_mode); 914 nv_connector->native_mode = NULL; 915 } 916 917 if (nv_connector->edid) 918 ret = drm_add_edid_modes(connector, nv_connector->edid); 919 else 920 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 921 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 922 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 923 struct drm_display_mode mode; 924 925 nouveau_bios_fp_mode(dev, &mode); 926 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 927 } 928 929 /* Determine display colour depth for everything except LVDS now, 930 * DP requires this before mode_valid() is called. 931 */ 932 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 933 nouveau_connector_detect_depth(connector); 934 935 /* Find the native mode if this is a digital panel, if we didn't 936 * find any modes through DDC previously add the native mode to 937 * the list of modes. 938 */ 939 if (!nv_connector->native_mode) 940 nv_connector->native_mode = nouveau_conn_native_mode(connector); 941 if (ret == 0 && nv_connector->native_mode) { 942 struct drm_display_mode *mode; 943 944 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 945 drm_mode_probed_add(connector, mode); 946 ret = 1; 947 } 948 949 /* Determine LVDS colour depth, must happen after determining 950 * "native" mode as some VBIOS tables require us to use the 951 * pixel clock as part of the lookup... 952 */ 953 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 954 nouveau_connector_detect_depth(connector); 955 956 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 957 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 958 959 if (nv_connector->type == DCB_CONNECTOR_LVDS || 960 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 961 nv_connector->type == DCB_CONNECTOR_eDP) 962 ret += nouveau_connector_scaler_modes_add(connector); 963 964 return ret; 965 } 966 967 static unsigned 968 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi) 969 { 970 struct nouveau_connector *nv_connector = nouveau_connector(connector); 971 struct nouveau_drm *drm = nouveau_drm(connector->dev); 972 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 973 974 if (hdmi) { 975 if (nouveau_hdmimhz > 0) 976 return nouveau_hdmimhz * 1000; 977 /* Note: these limits are conservative, some Fermi's 978 * can do 297 MHz. Unclear how this can be determined. 979 */ 980 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 981 return 297000; 982 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 983 return 225000; 984 } 985 if (dcb->location != DCB_LOC_ON_CHIP || 986 drm->client.device.info.chipset >= 0x46) 987 return 165000; 988 else if (drm->client.device.info.chipset >= 0x40) 989 return 155000; 990 else if (drm->client.device.info.chipset >= 0x18) 991 return 135000; 992 else 993 return 112000; 994 } 995 996 static enum drm_mode_status 997 nouveau_connector_mode_valid(struct drm_connector *connector, 998 struct drm_display_mode *mode) 999 { 1000 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1001 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1002 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1003 unsigned min_clock = 25000, max_clock = min_clock; 1004 unsigned clock = mode->clock; 1005 bool hdmi; 1006 1007 switch (nv_encoder->dcb->type) { 1008 case DCB_OUTPUT_LVDS: 1009 if (nv_connector->native_mode && 1010 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1011 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1012 return MODE_PANEL; 1013 1014 min_clock = 0; 1015 max_clock = 400000; 1016 break; 1017 case DCB_OUTPUT_TMDS: 1018 hdmi = drm_detect_hdmi_monitor(nv_connector->edid); 1019 max_clock = get_tmds_link_bandwidth(connector, hdmi); 1020 if (!hdmi && nouveau_duallink && 1021 nv_encoder->dcb->duallink_possible) 1022 max_clock *= 2; 1023 break; 1024 case DCB_OUTPUT_ANALOG: 1025 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1026 if (!max_clock) 1027 max_clock = 350000; 1028 break; 1029 case DCB_OUTPUT_TV: 1030 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1031 case DCB_OUTPUT_DP: 1032 max_clock = nv_encoder->dp.link_nr; 1033 max_clock *= nv_encoder->dp.link_bw; 1034 clock = clock * (connector->display_info.bpc * 3) / 10; 1035 break; 1036 default: 1037 BUG(); 1038 return MODE_BAD; 1039 } 1040 1041 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1042 clock *= 2; 1043 1044 if (clock < min_clock) 1045 return MODE_CLOCK_LOW; 1046 1047 if (clock > max_clock) 1048 return MODE_CLOCK_HIGH; 1049 1050 return MODE_OK; 1051 } 1052 1053 static struct drm_encoder * 1054 nouveau_connector_best_encoder(struct drm_connector *connector) 1055 { 1056 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1057 1058 if (nv_connector->detected_encoder) 1059 return to_drm_encoder(nv_connector->detected_encoder); 1060 1061 return NULL; 1062 } 1063 1064 static const struct drm_connector_helper_funcs 1065 nouveau_connector_helper_funcs = { 1066 .get_modes = nouveau_connector_get_modes, 1067 .mode_valid = nouveau_connector_mode_valid, 1068 .best_encoder = nouveau_connector_best_encoder, 1069 }; 1070 1071 static const struct drm_connector_funcs 1072 nouveau_connector_funcs = { 1073 .dpms = drm_helper_connector_dpms, 1074 .reset = nouveau_conn_reset, 1075 .detect = nouveau_connector_detect, 1076 .force = nouveau_connector_force, 1077 .fill_modes = drm_helper_probe_single_connector_modes, 1078 .set_property = nouveau_connector_set_property, 1079 .destroy = nouveau_connector_destroy, 1080 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1081 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1082 .atomic_set_property = nouveau_conn_atomic_set_property, 1083 .atomic_get_property = nouveau_conn_atomic_get_property, 1084 }; 1085 1086 static const struct drm_connector_funcs 1087 nouveau_connector_funcs_lvds = { 1088 .dpms = drm_helper_connector_dpms, 1089 .reset = nouveau_conn_reset, 1090 .detect = nouveau_connector_detect_lvds, 1091 .force = nouveau_connector_force, 1092 .fill_modes = drm_helper_probe_single_connector_modes, 1093 .set_property = nouveau_connector_set_property, 1094 .destroy = nouveau_connector_destroy, 1095 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1096 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1097 .atomic_set_property = nouveau_conn_atomic_set_property, 1098 .atomic_get_property = nouveau_conn_atomic_get_property, 1099 }; 1100 1101 static int 1102 nouveau_connector_hotplug(struct nvif_notify *notify) 1103 { 1104 struct nouveau_connector *nv_connector = 1105 container_of(notify, typeof(*nv_connector), hpd); 1106 struct drm_connector *connector = &nv_connector->base; 1107 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1108 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1109 const char *name = connector->name; 1110 struct nouveau_encoder *nv_encoder; 1111 1112 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1113 NV_DEBUG(drm, "service %s\n", name); 1114 drm_dp_cec_irq(&nv_connector->aux); 1115 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1116 nv50_mstm_service(nv_encoder->dp.mstm); 1117 } else { 1118 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1119 1120 if (!plugged) 1121 drm_dp_cec_unset_edid(&nv_connector->aux); 1122 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1123 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1124 if (!plugged) 1125 nv50_mstm_remove(nv_encoder->dp.mstm); 1126 } 1127 1128 drm_helper_hpd_irq_event(connector->dev); 1129 } 1130 1131 return NVIF_NOTIFY_KEEP; 1132 } 1133 1134 static ssize_t 1135 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1136 { 1137 struct nouveau_connector *nv_connector = 1138 container_of(obj, typeof(*nv_connector), aux); 1139 struct nouveau_encoder *nv_encoder; 1140 struct nvkm_i2c_aux *aux; 1141 u8 size = msg->size; 1142 int ret; 1143 1144 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1145 if (!nv_encoder || !(aux = nv_encoder->aux)) 1146 return -ENODEV; 1147 if (WARN_ON(msg->size > 16)) 1148 return -E2BIG; 1149 1150 ret = nvkm_i2c_aux_acquire(aux); 1151 if (ret) 1152 return ret; 1153 1154 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1155 msg->buffer, &size); 1156 nvkm_i2c_aux_release(aux); 1157 if (ret >= 0) { 1158 msg->reply = ret; 1159 return size; 1160 } 1161 1162 return ret; 1163 } 1164 1165 static int 1166 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1167 { 1168 switch (dcb) { 1169 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1170 case DCB_CONNECTOR_TV_0 : 1171 case DCB_CONNECTOR_TV_1 : 1172 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1173 case DCB_CONNECTOR_DMS59_0 : 1174 case DCB_CONNECTOR_DMS59_1 : 1175 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1176 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1177 case DCB_CONNECTOR_LVDS : 1178 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1179 case DCB_CONNECTOR_DMS59_DP0: 1180 case DCB_CONNECTOR_DMS59_DP1: 1181 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort; 1182 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1183 case DCB_CONNECTOR_HDMI_0 : 1184 case DCB_CONNECTOR_HDMI_1 : 1185 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1186 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1187 default: 1188 break; 1189 } 1190 1191 return DRM_MODE_CONNECTOR_Unknown; 1192 } 1193 1194 struct drm_connector * 1195 nouveau_connector_create(struct drm_device *dev, int index) 1196 { 1197 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1198 struct nouveau_drm *drm = nouveau_drm(dev); 1199 struct nouveau_display *disp = nouveau_display(dev); 1200 struct nouveau_connector *nv_connector = NULL; 1201 struct drm_connector *connector; 1202 struct drm_connector_list_iter conn_iter; 1203 int type, ret = 0; 1204 bool dummy; 1205 1206 drm_connector_list_iter_begin(dev, &conn_iter); 1207 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1208 nv_connector = nouveau_connector(connector); 1209 if (nv_connector->index == index) { 1210 drm_connector_list_iter_end(&conn_iter); 1211 return connector; 1212 } 1213 } 1214 drm_connector_list_iter_end(&conn_iter); 1215 1216 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1217 if (!nv_connector) 1218 return ERR_PTR(-ENOMEM); 1219 1220 connector = &nv_connector->base; 1221 nv_connector->index = index; 1222 1223 /* attempt to parse vbios connector type and hotplug gpio */ 1224 nv_connector->dcb = olddcb_conn(dev, index); 1225 if (nv_connector->dcb) { 1226 u32 entry = ROM16(nv_connector->dcb[0]); 1227 if (olddcb_conntab(dev)[3] >= 4) 1228 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1229 1230 nv_connector->type = nv_connector->dcb[0]; 1231 if (drm_conntype_from_dcb(nv_connector->type) == 1232 DRM_MODE_CONNECTOR_Unknown) { 1233 NV_WARN(drm, "unknown connector type %02x\n", 1234 nv_connector->type); 1235 nv_connector->type = DCB_CONNECTOR_NONE; 1236 } 1237 1238 /* Gigabyte NX85T */ 1239 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1240 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1241 nv_connector->type = DCB_CONNECTOR_DVI_I; 1242 } 1243 1244 /* Gigabyte GV-NX86T512H */ 1245 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1246 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1247 nv_connector->type = DCB_CONNECTOR_DVI_I; 1248 } 1249 } else { 1250 nv_connector->type = DCB_CONNECTOR_NONE; 1251 } 1252 1253 /* no vbios data, or an unknown dcb connector type - attempt to 1254 * figure out something suitable ourselves 1255 */ 1256 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1257 struct nouveau_drm *drm = nouveau_drm(dev); 1258 struct dcb_table *dcbt = &drm->vbios.dcb; 1259 u32 encoders = 0; 1260 int i; 1261 1262 for (i = 0; i < dcbt->entries; i++) { 1263 if (dcbt->entry[i].connector == nv_connector->index) 1264 encoders |= (1 << dcbt->entry[i].type); 1265 } 1266 1267 if (encoders & (1 << DCB_OUTPUT_DP)) { 1268 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1269 nv_connector->type = DCB_CONNECTOR_DP; 1270 else 1271 nv_connector->type = DCB_CONNECTOR_eDP; 1272 } else 1273 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1274 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1275 nv_connector->type = DCB_CONNECTOR_DVI_I; 1276 else 1277 nv_connector->type = DCB_CONNECTOR_DVI_D; 1278 } else 1279 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1280 nv_connector->type = DCB_CONNECTOR_VGA; 1281 } else 1282 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1283 nv_connector->type = DCB_CONNECTOR_LVDS; 1284 } else 1285 if (encoders & (1 << DCB_OUTPUT_TV)) { 1286 nv_connector->type = DCB_CONNECTOR_TV_0; 1287 } 1288 } 1289 1290 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1291 case DRM_MODE_CONNECTOR_LVDS: 1292 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1293 if (ret) { 1294 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1295 kfree(nv_connector); 1296 return ERR_PTR(ret); 1297 } 1298 1299 funcs = &nouveau_connector_funcs_lvds; 1300 break; 1301 case DRM_MODE_CONNECTOR_DisplayPort: 1302 case DRM_MODE_CONNECTOR_eDP: 1303 nv_connector->aux.dev = dev->dev; 1304 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1305 ret = drm_dp_aux_register(&nv_connector->aux); 1306 if (ret) { 1307 NV_ERROR(drm, "failed to register aux channel\n"); 1308 kfree(nv_connector); 1309 return ERR_PTR(ret); 1310 } 1311 funcs = &nouveau_connector_funcs; 1312 break; 1313 default: 1314 funcs = &nouveau_connector_funcs; 1315 break; 1316 } 1317 1318 /* HDMI 3D support */ 1319 if ((disp->disp.object.oclass >= G82_DISP) 1320 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1321 || (type == DRM_MODE_CONNECTOR_eDP) 1322 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1323 connector->stereo_allowed = true; 1324 1325 /* defaults, will get overridden in detect() */ 1326 connector->interlace_allowed = false; 1327 connector->doublescan_allowed = false; 1328 1329 drm_connector_init(dev, connector, funcs, type); 1330 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1331 1332 connector->funcs->reset(connector); 1333 nouveau_conn_attach_properties(connector); 1334 1335 /* Default scaling mode */ 1336 switch (nv_connector->type) { 1337 case DCB_CONNECTOR_LVDS: 1338 case DCB_CONNECTOR_LVDS_SPWG: 1339 case DCB_CONNECTOR_eDP: 1340 /* see note in nouveau_connector_set_property() */ 1341 if (disp->disp.object.oclass < NV50_DISP) { 1342 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1343 break; 1344 } 1345 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1346 break; 1347 default: 1348 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1349 break; 1350 } 1351 1352 /* dithering properties */ 1353 switch (nv_connector->type) { 1354 case DCB_CONNECTOR_TV_0: 1355 case DCB_CONNECTOR_TV_1: 1356 case DCB_CONNECTOR_TV_3: 1357 case DCB_CONNECTOR_VGA: 1358 break; 1359 default: 1360 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1361 break; 1362 } 1363 1364 switch (type) { 1365 case DRM_MODE_CONNECTOR_DisplayPort: 1366 case DRM_MODE_CONNECTOR_eDP: 1367 drm_dp_cec_register_connector(&nv_connector->aux, 1368 connector->name, dev->dev); 1369 break; 1370 } 1371 1372 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug, 1373 true, NV04_DISP_NTFY_CONN, 1374 &(struct nvif_notify_conn_req_v0) { 1375 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1376 .conn = index, 1377 }, 1378 sizeof(struct nvif_notify_conn_req_v0), 1379 sizeof(struct nvif_notify_conn_rep_v0), 1380 &nv_connector->hpd); 1381 if (ret) 1382 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1383 else 1384 connector->polled = DRM_CONNECTOR_POLL_HPD; 1385 1386 drm_connector_register(connector); 1387 return connector; 1388 } 1389