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_aux_unregister(&nv_connector->aux); 405 kfree(connector); 406 } 407 408 static struct nouveau_encoder * 409 nouveau_connector_ddc_detect(struct drm_connector *connector) 410 { 411 struct drm_device *dev = connector->dev; 412 struct nouveau_connector *nv_connector = nouveau_connector(connector); 413 struct nouveau_drm *drm = nouveau_drm(dev); 414 struct nvkm_gpio *gpio = nvxx_gpio(&drm->client.device); 415 struct nouveau_encoder *nv_encoder = NULL; 416 struct drm_encoder *encoder; 417 int i, panel = -ENODEV; 418 419 /* eDP panels need powering on by us (if the VBIOS doesn't default it 420 * to on) before doing any AUX channel transactions. LVDS panel power 421 * is handled by the SOR itself, and not required for LVDS DDC. 422 */ 423 if (nv_connector->type == DCB_CONNECTOR_eDP) { 424 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff); 425 if (panel == 0) { 426 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1); 427 msleep(300); 428 } 429 } 430 431 drm_connector_for_each_possible_encoder(connector, encoder, i) { 432 nv_encoder = nouveau_encoder(encoder); 433 434 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) { 435 int ret = nouveau_dp_detect(nv_encoder); 436 if (ret == NOUVEAU_DP_MST) 437 return NULL; 438 if (ret == NOUVEAU_DP_SST) 439 break; 440 } else 441 if ((vga_switcheroo_handler_flags() & 442 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 443 nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 444 nv_encoder->i2c) { 445 int ret; 446 vga_switcheroo_lock_ddc(dev->pdev); 447 ret = nvkm_probe_i2c(nv_encoder->i2c, 0x50); 448 vga_switcheroo_unlock_ddc(dev->pdev); 449 if (ret) 450 break; 451 } else 452 if (nv_encoder->i2c) { 453 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 454 break; 455 } 456 } 457 458 /* eDP panel not detected, restore panel power GPIO to previous 459 * state to avoid confusing the SOR for other output types. 460 */ 461 if (!nv_encoder && panel == 0) 462 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel); 463 464 return nv_encoder; 465 } 466 467 static struct nouveau_encoder * 468 nouveau_connector_of_detect(struct drm_connector *connector) 469 { 470 #ifdef __powerpc__ 471 struct drm_device *dev = connector->dev; 472 struct nouveau_connector *nv_connector = nouveau_connector(connector); 473 struct nouveau_encoder *nv_encoder; 474 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); 475 476 if (!dn || 477 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 478 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 479 return NULL; 480 481 for_each_child_of_node(dn, cn) { 482 const char *name = of_get_property(cn, "name", NULL); 483 const void *edid = of_get_property(cn, "EDID", NULL); 484 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 485 486 if (nv_encoder->dcb->i2c_index == idx && edid) { 487 nv_connector->edid = 488 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 489 of_node_put(cn); 490 return nv_encoder; 491 } 492 } 493 #endif 494 return NULL; 495 } 496 497 static void 498 nouveau_connector_set_encoder(struct drm_connector *connector, 499 struct nouveau_encoder *nv_encoder) 500 { 501 struct nouveau_connector *nv_connector = nouveau_connector(connector); 502 struct nouveau_drm *drm = nouveau_drm(connector->dev); 503 struct drm_device *dev = connector->dev; 504 505 if (nv_connector->detected_encoder == nv_encoder) 506 return; 507 nv_connector->detected_encoder = nv_encoder; 508 509 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 510 connector->interlace_allowed = true; 511 connector->doublescan_allowed = true; 512 } else 513 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 514 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 515 connector->doublescan_allowed = false; 516 connector->interlace_allowed = false; 517 } else { 518 connector->doublescan_allowed = true; 519 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN || 520 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 521 (dev->pdev->device & 0x0ff0) != 0x0100 && 522 (dev->pdev->device & 0x0ff0) != 0x0150)) 523 /* HW is broken */ 524 connector->interlace_allowed = false; 525 else 526 connector->interlace_allowed = true; 527 } 528 529 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 530 drm_object_property_set_value(&connector->base, 531 dev->mode_config.dvi_i_subconnector_property, 532 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 533 DRM_MODE_SUBCONNECTOR_DVID : 534 DRM_MODE_SUBCONNECTOR_DVIA); 535 } 536 } 537 538 static enum drm_connector_status 539 nouveau_connector_detect(struct drm_connector *connector, bool force) 540 { 541 struct drm_device *dev = connector->dev; 542 struct nouveau_drm *drm = nouveau_drm(dev); 543 struct nouveau_connector *nv_connector = nouveau_connector(connector); 544 struct nouveau_encoder *nv_encoder = NULL; 545 struct nouveau_encoder *nv_partner; 546 struct i2c_adapter *i2c; 547 int type; 548 int ret; 549 enum drm_connector_status conn_status = connector_status_disconnected; 550 551 /* Cleanup the previous EDID block. */ 552 if (nv_connector->edid) { 553 drm_connector_update_edid_property(connector, NULL); 554 kfree(nv_connector->edid); 555 nv_connector->edid = NULL; 556 } 557 558 /* Outputs are only polled while runtime active, so acquiring a 559 * runtime PM ref here is unnecessary (and would deadlock upon 560 * runtime suspend because it waits for polling to finish). 561 */ 562 if (!drm_kms_helper_is_poll_worker()) { 563 ret = pm_runtime_get_sync(connector->dev->dev); 564 if (ret < 0 && ret != -EACCES) 565 return conn_status; 566 } 567 568 nv_encoder = nouveau_connector_ddc_detect(connector); 569 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 570 if ((vga_switcheroo_handler_flags() & 571 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 572 nv_connector->type == DCB_CONNECTOR_LVDS) 573 nv_connector->edid = drm_get_edid_switcheroo(connector, 574 i2c); 575 else 576 nv_connector->edid = drm_get_edid(connector, i2c); 577 578 drm_connector_update_edid_property(connector, 579 nv_connector->edid); 580 if (!nv_connector->edid) { 581 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 582 connector->name); 583 goto detect_analog; 584 } 585 586 /* Override encoder type for DVI-I based on whether EDID 587 * says the display is digital or analog, both use the 588 * same i2c channel so the value returned from ddc_detect 589 * isn't necessarily correct. 590 */ 591 nv_partner = NULL; 592 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 593 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 594 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 595 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 596 597 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 598 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 599 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 600 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 601 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 602 type = DCB_OUTPUT_TMDS; 603 else 604 type = DCB_OUTPUT_ANALOG; 605 606 nv_encoder = find_encoder(connector, type); 607 } 608 609 nouveau_connector_set_encoder(connector, nv_encoder); 610 conn_status = connector_status_connected; 611 goto out; 612 } 613 614 nv_encoder = nouveau_connector_of_detect(connector); 615 if (nv_encoder) { 616 nouveau_connector_set_encoder(connector, nv_encoder); 617 conn_status = connector_status_connected; 618 goto out; 619 } 620 621 detect_analog: 622 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 623 if (!nv_encoder && !nouveau_tv_disable) 624 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 625 if (nv_encoder && force) { 626 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 627 const struct drm_encoder_helper_funcs *helper = 628 encoder->helper_private; 629 630 if (helper->detect(encoder, connector) == 631 connector_status_connected) { 632 nouveau_connector_set_encoder(connector, nv_encoder); 633 conn_status = connector_status_connected; 634 goto out; 635 } 636 637 } 638 639 out: 640 641 if (!drm_kms_helper_is_poll_worker()) { 642 pm_runtime_mark_last_busy(connector->dev->dev); 643 pm_runtime_put_autosuspend(connector->dev->dev); 644 } 645 646 return conn_status; 647 } 648 649 static enum drm_connector_status 650 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 651 { 652 struct drm_device *dev = connector->dev; 653 struct nouveau_drm *drm = nouveau_drm(dev); 654 struct nouveau_connector *nv_connector = nouveau_connector(connector); 655 struct nouveau_encoder *nv_encoder = NULL; 656 enum drm_connector_status status = connector_status_disconnected; 657 658 /* Cleanup the previous EDID block. */ 659 if (nv_connector->edid) { 660 drm_connector_update_edid_property(connector, NULL); 661 kfree(nv_connector->edid); 662 nv_connector->edid = NULL; 663 } 664 665 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 666 if (!nv_encoder) 667 return connector_status_disconnected; 668 669 /* Try retrieving EDID via DDC */ 670 if (!drm->vbios.fp_no_ddc) { 671 status = nouveau_connector_detect(connector, force); 672 if (status == connector_status_connected) 673 goto out; 674 } 675 676 /* On some laptops (Sony, i'm looking at you) there appears to 677 * be no direct way of accessing the panel's EDID. The only 678 * option available to us appears to be to ask ACPI for help.. 679 * 680 * It's important this check's before trying straps, one of the 681 * said manufacturer's laptops are configured in such a way 682 * the nouveau decides an entry in the VBIOS FP mode table is 683 * valid - it's not (rh#613284) 684 */ 685 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 686 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 687 status = connector_status_connected; 688 goto out; 689 } 690 } 691 692 /* If no EDID found above, and the VBIOS indicates a hardcoded 693 * modeline is avalilable for the panel, set it as the panel's 694 * native mode and exit. 695 */ 696 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 697 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 698 status = connector_status_connected; 699 goto out; 700 } 701 702 /* Still nothing, some VBIOS images have a hardcoded EDID block 703 * stored for the panel stored in them. 704 */ 705 if (!drm->vbios.fp_no_ddc) { 706 struct edid *edid = 707 (struct edid *)nouveau_bios_embedded_edid(dev); 708 if (edid) { 709 nv_connector->edid = 710 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 711 if (nv_connector->edid) 712 status = connector_status_connected; 713 } 714 } 715 716 out: 717 #if defined(CONFIG_ACPI_BUTTON) || \ 718 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 719 if (status == connector_status_connected && 720 !nouveau_ignorelid && !acpi_lid_open()) 721 status = connector_status_unknown; 722 #endif 723 724 drm_connector_update_edid_property(connector, nv_connector->edid); 725 nouveau_connector_set_encoder(connector, nv_encoder); 726 return status; 727 } 728 729 static void 730 nouveau_connector_force(struct drm_connector *connector) 731 { 732 struct nouveau_drm *drm = nouveau_drm(connector->dev); 733 struct nouveau_connector *nv_connector = nouveau_connector(connector); 734 struct nouveau_encoder *nv_encoder; 735 int type; 736 737 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 738 if (connector->force == DRM_FORCE_ON_DIGITAL) 739 type = DCB_OUTPUT_TMDS; 740 else 741 type = DCB_OUTPUT_ANALOG; 742 } else 743 type = DCB_OUTPUT_ANY; 744 745 nv_encoder = find_encoder(connector, type); 746 if (!nv_encoder) { 747 NV_ERROR(drm, "can't find encoder to force %s on!\n", 748 connector->name); 749 connector->status = connector_status_disconnected; 750 return; 751 } 752 753 nouveau_connector_set_encoder(connector, nv_encoder); 754 } 755 756 static int 757 nouveau_connector_set_property(struct drm_connector *connector, 758 struct drm_property *property, uint64_t value) 759 { 760 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state); 761 struct nouveau_connector *nv_connector = nouveau_connector(connector); 762 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 763 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 764 int ret; 765 766 ret = connector->funcs->atomic_set_property(&nv_connector->base, 767 &asyc->state, 768 property, value); 769 if (ret) { 770 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 771 return get_slave_funcs(encoder)->set_property( 772 encoder, connector, property, value); 773 return ret; 774 } 775 776 nv_connector->scaling_mode = asyc->scaler.mode; 777 nv_connector->dithering_mode = asyc->dither.mode; 778 779 if (connector->encoder && connector->encoder->crtc) { 780 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 781 &connector->encoder->crtc->mode, 782 connector->encoder->crtc->x, 783 connector->encoder->crtc->y, 784 NULL); 785 if (!ret) 786 return -EINVAL; 787 } 788 789 return 0; 790 } 791 792 struct moderec { 793 int hdisplay; 794 int vdisplay; 795 }; 796 797 static struct moderec scaler_modes[] = { 798 { 1920, 1200 }, 799 { 1920, 1080 }, 800 { 1680, 1050 }, 801 { 1600, 1200 }, 802 { 1400, 1050 }, 803 { 1280, 1024 }, 804 { 1280, 960 }, 805 { 1152, 864 }, 806 { 1024, 768 }, 807 { 800, 600 }, 808 { 720, 400 }, 809 { 640, 480 }, 810 { 640, 400 }, 811 { 640, 350 }, 812 {} 813 }; 814 815 static int 816 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 817 { 818 struct nouveau_connector *nv_connector = nouveau_connector(connector); 819 struct drm_display_mode *native = nv_connector->native_mode, *m; 820 struct drm_device *dev = connector->dev; 821 struct moderec *mode = &scaler_modes[0]; 822 int modes = 0; 823 824 if (!native) 825 return 0; 826 827 while (mode->hdisplay) { 828 if (mode->hdisplay <= native->hdisplay && 829 mode->vdisplay <= native->vdisplay && 830 (mode->hdisplay != native->hdisplay || 831 mode->vdisplay != native->vdisplay)) { 832 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 833 drm_mode_vrefresh(native), false, 834 false, false); 835 if (!m) 836 continue; 837 838 drm_mode_probed_add(connector, m); 839 modes++; 840 } 841 842 mode++; 843 } 844 845 return modes; 846 } 847 848 static void 849 nouveau_connector_detect_depth(struct drm_connector *connector) 850 { 851 struct nouveau_drm *drm = nouveau_drm(connector->dev); 852 struct nouveau_connector *nv_connector = nouveau_connector(connector); 853 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 854 struct nvbios *bios = &drm->vbios; 855 struct drm_display_mode *mode = nv_connector->native_mode; 856 bool duallink; 857 858 /* if the edid is feeling nice enough to provide this info, use it */ 859 if (nv_connector->edid && connector->display_info.bpc) 860 return; 861 862 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 863 if (nv_connector->type == DCB_CONNECTOR_eDP) { 864 connector->display_info.bpc = 6; 865 return; 866 } 867 868 /* we're out of options unless we're LVDS, default to 8bpc */ 869 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 870 connector->display_info.bpc = 8; 871 return; 872 } 873 874 connector->display_info.bpc = 6; 875 876 /* LVDS: panel straps */ 877 if (bios->fp_no_ddc) { 878 if (bios->fp.if_is_24bit) 879 connector->display_info.bpc = 8; 880 return; 881 } 882 883 /* LVDS: DDC panel, need to first determine the number of links to 884 * know which if_is_24bit flag to check... 885 */ 886 if (nv_connector->edid && 887 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 888 duallink = ((u8 *)nv_connector->edid)[121] == 2; 889 else 890 duallink = mode->clock >= bios->fp.duallink_transition_clk; 891 892 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 893 ( duallink && (bios->fp.strapless_is_24bit & 2))) 894 connector->display_info.bpc = 8; 895 } 896 897 static int 898 nouveau_connector_get_modes(struct drm_connector *connector) 899 { 900 struct drm_device *dev = connector->dev; 901 struct nouveau_drm *drm = nouveau_drm(dev); 902 struct nouveau_connector *nv_connector = nouveau_connector(connector); 903 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 904 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 905 int ret = 0; 906 907 /* destroy the native mode, the attached monitor could have changed. 908 */ 909 if (nv_connector->native_mode) { 910 drm_mode_destroy(dev, nv_connector->native_mode); 911 nv_connector->native_mode = NULL; 912 } 913 914 if (nv_connector->edid) 915 ret = drm_add_edid_modes(connector, nv_connector->edid); 916 else 917 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 918 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 919 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 920 struct drm_display_mode mode; 921 922 nouveau_bios_fp_mode(dev, &mode); 923 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 924 } 925 926 /* Determine display colour depth for everything except LVDS now, 927 * DP requires this before mode_valid() is called. 928 */ 929 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 930 nouveau_connector_detect_depth(connector); 931 932 /* Find the native mode if this is a digital panel, if we didn't 933 * find any modes through DDC previously add the native mode to 934 * the list of modes. 935 */ 936 if (!nv_connector->native_mode) 937 nv_connector->native_mode = nouveau_conn_native_mode(connector); 938 if (ret == 0 && nv_connector->native_mode) { 939 struct drm_display_mode *mode; 940 941 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 942 drm_mode_probed_add(connector, mode); 943 ret = 1; 944 } 945 946 /* Determine LVDS colour depth, must happen after determining 947 * "native" mode as some VBIOS tables require us to use the 948 * pixel clock as part of the lookup... 949 */ 950 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 951 nouveau_connector_detect_depth(connector); 952 953 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 954 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 955 956 if (nv_connector->type == DCB_CONNECTOR_LVDS || 957 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 958 nv_connector->type == DCB_CONNECTOR_eDP) 959 ret += nouveau_connector_scaler_modes_add(connector); 960 961 return ret; 962 } 963 964 static unsigned 965 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi) 966 { 967 struct nouveau_connector *nv_connector = nouveau_connector(connector); 968 struct nouveau_drm *drm = nouveau_drm(connector->dev); 969 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 970 971 if (hdmi) { 972 if (nouveau_hdmimhz > 0) 973 return nouveau_hdmimhz * 1000; 974 /* Note: these limits are conservative, some Fermi's 975 * can do 297 MHz. Unclear how this can be determined. 976 */ 977 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 978 return 297000; 979 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 980 return 225000; 981 } 982 if (dcb->location != DCB_LOC_ON_CHIP || 983 drm->client.device.info.chipset >= 0x46) 984 return 165000; 985 else if (drm->client.device.info.chipset >= 0x40) 986 return 155000; 987 else if (drm->client.device.info.chipset >= 0x18) 988 return 135000; 989 else 990 return 112000; 991 } 992 993 static enum drm_mode_status 994 nouveau_connector_mode_valid(struct drm_connector *connector, 995 struct drm_display_mode *mode) 996 { 997 struct nouveau_connector *nv_connector = nouveau_connector(connector); 998 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 999 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1000 unsigned min_clock = 25000, max_clock = min_clock; 1001 unsigned clock = mode->clock; 1002 bool hdmi; 1003 1004 switch (nv_encoder->dcb->type) { 1005 case DCB_OUTPUT_LVDS: 1006 if (nv_connector->native_mode && 1007 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1008 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1009 return MODE_PANEL; 1010 1011 min_clock = 0; 1012 max_clock = 400000; 1013 break; 1014 case DCB_OUTPUT_TMDS: 1015 hdmi = drm_detect_hdmi_monitor(nv_connector->edid); 1016 max_clock = get_tmds_link_bandwidth(connector, hdmi); 1017 if (!hdmi && nouveau_duallink && 1018 nv_encoder->dcb->duallink_possible) 1019 max_clock *= 2; 1020 break; 1021 case DCB_OUTPUT_ANALOG: 1022 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1023 if (!max_clock) 1024 max_clock = 350000; 1025 break; 1026 case DCB_OUTPUT_TV: 1027 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1028 case DCB_OUTPUT_DP: 1029 max_clock = nv_encoder->dp.link_nr; 1030 max_clock *= nv_encoder->dp.link_bw; 1031 clock = clock * (connector->display_info.bpc * 3) / 10; 1032 break; 1033 default: 1034 BUG(); 1035 return MODE_BAD; 1036 } 1037 1038 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1039 clock *= 2; 1040 1041 if (clock < min_clock) 1042 return MODE_CLOCK_LOW; 1043 1044 if (clock > max_clock) 1045 return MODE_CLOCK_HIGH; 1046 1047 return MODE_OK; 1048 } 1049 1050 static struct drm_encoder * 1051 nouveau_connector_best_encoder(struct drm_connector *connector) 1052 { 1053 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1054 1055 if (nv_connector->detected_encoder) 1056 return to_drm_encoder(nv_connector->detected_encoder); 1057 1058 return NULL; 1059 } 1060 1061 static const struct drm_connector_helper_funcs 1062 nouveau_connector_helper_funcs = { 1063 .get_modes = nouveau_connector_get_modes, 1064 .mode_valid = nouveau_connector_mode_valid, 1065 .best_encoder = nouveau_connector_best_encoder, 1066 }; 1067 1068 static const struct drm_connector_funcs 1069 nouveau_connector_funcs = { 1070 .dpms = drm_helper_connector_dpms, 1071 .reset = nouveau_conn_reset, 1072 .detect = nouveau_connector_detect, 1073 .force = nouveau_connector_force, 1074 .fill_modes = drm_helper_probe_single_connector_modes, 1075 .set_property = nouveau_connector_set_property, 1076 .destroy = nouveau_connector_destroy, 1077 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1078 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1079 .atomic_set_property = nouveau_conn_atomic_set_property, 1080 .atomic_get_property = nouveau_conn_atomic_get_property, 1081 }; 1082 1083 static const struct drm_connector_funcs 1084 nouveau_connector_funcs_lvds = { 1085 .dpms = drm_helper_connector_dpms, 1086 .reset = nouveau_conn_reset, 1087 .detect = nouveau_connector_detect_lvds, 1088 .force = nouveau_connector_force, 1089 .fill_modes = drm_helper_probe_single_connector_modes, 1090 .set_property = nouveau_connector_set_property, 1091 .destroy = nouveau_connector_destroy, 1092 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1093 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1094 .atomic_set_property = nouveau_conn_atomic_set_property, 1095 .atomic_get_property = nouveau_conn_atomic_get_property, 1096 }; 1097 1098 static int 1099 nouveau_connector_hotplug(struct nvif_notify *notify) 1100 { 1101 struct nouveau_connector *nv_connector = 1102 container_of(notify, typeof(*nv_connector), hpd); 1103 struct drm_connector *connector = &nv_connector->base; 1104 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1105 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1106 const char *name = connector->name; 1107 struct nouveau_encoder *nv_encoder; 1108 1109 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1110 NV_DEBUG(drm, "service %s\n", name); 1111 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1112 nv50_mstm_service(nv_encoder->dp.mstm); 1113 } else { 1114 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1115 1116 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1117 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1118 if (!plugged) 1119 nv50_mstm_remove(nv_encoder->dp.mstm); 1120 } 1121 1122 drm_helper_hpd_irq_event(connector->dev); 1123 } 1124 1125 return NVIF_NOTIFY_KEEP; 1126 } 1127 1128 static ssize_t 1129 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1130 { 1131 struct nouveau_connector *nv_connector = 1132 container_of(obj, typeof(*nv_connector), aux); 1133 struct nouveau_encoder *nv_encoder; 1134 struct nvkm_i2c_aux *aux; 1135 u8 size = msg->size; 1136 int ret; 1137 1138 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1139 if (!nv_encoder || !(aux = nv_encoder->aux)) 1140 return -ENODEV; 1141 if (WARN_ON(msg->size > 16)) 1142 return -E2BIG; 1143 1144 ret = nvkm_i2c_aux_acquire(aux); 1145 if (ret) 1146 return ret; 1147 1148 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1149 msg->buffer, &size); 1150 nvkm_i2c_aux_release(aux); 1151 if (ret >= 0) { 1152 msg->reply = ret; 1153 return size; 1154 } 1155 1156 return ret; 1157 } 1158 1159 static int 1160 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1161 { 1162 switch (dcb) { 1163 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1164 case DCB_CONNECTOR_TV_0 : 1165 case DCB_CONNECTOR_TV_1 : 1166 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1167 case DCB_CONNECTOR_DMS59_0 : 1168 case DCB_CONNECTOR_DMS59_1 : 1169 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1170 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1171 case DCB_CONNECTOR_LVDS : 1172 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1173 case DCB_CONNECTOR_DMS59_DP0: 1174 case DCB_CONNECTOR_DMS59_DP1: 1175 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort; 1176 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1177 case DCB_CONNECTOR_HDMI_0 : 1178 case DCB_CONNECTOR_HDMI_1 : 1179 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1180 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1181 default: 1182 break; 1183 } 1184 1185 return DRM_MODE_CONNECTOR_Unknown; 1186 } 1187 1188 struct drm_connector * 1189 nouveau_connector_create(struct drm_device *dev, int index) 1190 { 1191 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1192 struct nouveau_drm *drm = nouveau_drm(dev); 1193 struct nouveau_display *disp = nouveau_display(dev); 1194 struct nouveau_connector *nv_connector = NULL; 1195 struct drm_connector *connector; 1196 struct drm_connector_list_iter conn_iter; 1197 int type, ret = 0; 1198 bool dummy; 1199 1200 drm_connector_list_iter_begin(dev, &conn_iter); 1201 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1202 nv_connector = nouveau_connector(connector); 1203 if (nv_connector->index == index) { 1204 drm_connector_list_iter_end(&conn_iter); 1205 return connector; 1206 } 1207 } 1208 drm_connector_list_iter_end(&conn_iter); 1209 1210 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1211 if (!nv_connector) 1212 return ERR_PTR(-ENOMEM); 1213 1214 connector = &nv_connector->base; 1215 nv_connector->index = index; 1216 1217 /* attempt to parse vbios connector type and hotplug gpio */ 1218 nv_connector->dcb = olddcb_conn(dev, index); 1219 if (nv_connector->dcb) { 1220 u32 entry = ROM16(nv_connector->dcb[0]); 1221 if (olddcb_conntab(dev)[3] >= 4) 1222 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1223 1224 nv_connector->type = nv_connector->dcb[0]; 1225 if (drm_conntype_from_dcb(nv_connector->type) == 1226 DRM_MODE_CONNECTOR_Unknown) { 1227 NV_WARN(drm, "unknown connector type %02x\n", 1228 nv_connector->type); 1229 nv_connector->type = DCB_CONNECTOR_NONE; 1230 } 1231 1232 /* Gigabyte NX85T */ 1233 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1234 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1235 nv_connector->type = DCB_CONNECTOR_DVI_I; 1236 } 1237 1238 /* Gigabyte GV-NX86T512H */ 1239 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1240 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1241 nv_connector->type = DCB_CONNECTOR_DVI_I; 1242 } 1243 } else { 1244 nv_connector->type = DCB_CONNECTOR_NONE; 1245 } 1246 1247 /* no vbios data, or an unknown dcb connector type - attempt to 1248 * figure out something suitable ourselves 1249 */ 1250 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1251 struct nouveau_drm *drm = nouveau_drm(dev); 1252 struct dcb_table *dcbt = &drm->vbios.dcb; 1253 u32 encoders = 0; 1254 int i; 1255 1256 for (i = 0; i < dcbt->entries; i++) { 1257 if (dcbt->entry[i].connector == nv_connector->index) 1258 encoders |= (1 << dcbt->entry[i].type); 1259 } 1260 1261 if (encoders & (1 << DCB_OUTPUT_DP)) { 1262 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1263 nv_connector->type = DCB_CONNECTOR_DP; 1264 else 1265 nv_connector->type = DCB_CONNECTOR_eDP; 1266 } else 1267 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1268 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1269 nv_connector->type = DCB_CONNECTOR_DVI_I; 1270 else 1271 nv_connector->type = DCB_CONNECTOR_DVI_D; 1272 } else 1273 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1274 nv_connector->type = DCB_CONNECTOR_VGA; 1275 } else 1276 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1277 nv_connector->type = DCB_CONNECTOR_LVDS; 1278 } else 1279 if (encoders & (1 << DCB_OUTPUT_TV)) { 1280 nv_connector->type = DCB_CONNECTOR_TV_0; 1281 } 1282 } 1283 1284 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1285 case DRM_MODE_CONNECTOR_LVDS: 1286 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1287 if (ret) { 1288 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1289 kfree(nv_connector); 1290 return ERR_PTR(ret); 1291 } 1292 1293 funcs = &nouveau_connector_funcs_lvds; 1294 break; 1295 case DRM_MODE_CONNECTOR_DisplayPort: 1296 case DRM_MODE_CONNECTOR_eDP: 1297 nv_connector->aux.dev = dev->dev; 1298 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1299 ret = drm_dp_aux_register(&nv_connector->aux); 1300 if (ret) { 1301 NV_ERROR(drm, "failed to register aux channel\n"); 1302 kfree(nv_connector); 1303 return ERR_PTR(ret); 1304 } 1305 1306 funcs = &nouveau_connector_funcs; 1307 break; 1308 default: 1309 funcs = &nouveau_connector_funcs; 1310 break; 1311 } 1312 1313 /* HDMI 3D support */ 1314 if ((disp->disp.object.oclass >= G82_DISP) 1315 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1316 || (type == DRM_MODE_CONNECTOR_eDP) 1317 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1318 connector->stereo_allowed = true; 1319 1320 /* defaults, will get overridden in detect() */ 1321 connector->interlace_allowed = false; 1322 connector->doublescan_allowed = false; 1323 1324 drm_connector_init(dev, connector, funcs, type); 1325 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1326 1327 connector->funcs->reset(connector); 1328 nouveau_conn_attach_properties(connector); 1329 1330 /* Default scaling mode */ 1331 switch (nv_connector->type) { 1332 case DCB_CONNECTOR_LVDS: 1333 case DCB_CONNECTOR_LVDS_SPWG: 1334 case DCB_CONNECTOR_eDP: 1335 /* see note in nouveau_connector_set_property() */ 1336 if (disp->disp.object.oclass < NV50_DISP) { 1337 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1338 break; 1339 } 1340 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1341 break; 1342 default: 1343 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1344 break; 1345 } 1346 1347 /* dithering properties */ 1348 switch (nv_connector->type) { 1349 case DCB_CONNECTOR_TV_0: 1350 case DCB_CONNECTOR_TV_1: 1351 case DCB_CONNECTOR_TV_3: 1352 case DCB_CONNECTOR_VGA: 1353 break; 1354 default: 1355 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1356 break; 1357 } 1358 1359 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug, 1360 true, NV04_DISP_NTFY_CONN, 1361 &(struct nvif_notify_conn_req_v0) { 1362 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1363 .conn = index, 1364 }, 1365 sizeof(struct nvif_notify_conn_req_v0), 1366 sizeof(struct nvif_notify_conn_rep_v0), 1367 &nv_connector->hpd); 1368 if (ret) 1369 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1370 else 1371 connector->polled = DRM_CONNECTOR_POLL_HPD; 1372 1373 drm_connector_register(connector); 1374 return connector; 1375 } 1376