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 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 /* Outputs are only polled while runtime active, so acquiring a 574 * runtime PM ref here is unnecessary (and would deadlock upon 575 * runtime suspend because it waits for polling to finish). 576 */ 577 if (!drm_kms_helper_is_poll_worker()) { 578 ret = pm_runtime_get_sync(connector->dev->dev); 579 if (ret < 0 && ret != -EACCES) 580 return conn_status; 581 } 582 583 nv_encoder = nouveau_connector_ddc_detect(connector); 584 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 585 if ((vga_switcheroo_handler_flags() & 586 VGA_SWITCHEROO_CAN_SWITCH_DDC) && 587 nv_connector->type == DCB_CONNECTOR_LVDS) 588 nv_connector->edid = drm_get_edid_switcheroo(connector, 589 i2c); 590 else 591 nv_connector->edid = drm_get_edid(connector, i2c); 592 593 drm_mode_connector_update_edid_property(connector, 594 nv_connector->edid); 595 if (!nv_connector->edid) { 596 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 597 connector->name); 598 goto detect_analog; 599 } 600 601 /* Override encoder type for DVI-I based on whether EDID 602 * says the display is digital or analog, both use the 603 * same i2c channel so the value returned from ddc_detect 604 * isn't necessarily correct. 605 */ 606 nv_partner = NULL; 607 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 608 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 609 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 610 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 611 612 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 613 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 614 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 615 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 616 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 617 type = DCB_OUTPUT_TMDS; 618 else 619 type = DCB_OUTPUT_ANALOG; 620 621 nv_encoder = find_encoder(connector, type); 622 } 623 624 nouveau_connector_set_encoder(connector, nv_encoder); 625 conn_status = connector_status_connected; 626 goto out; 627 } 628 629 nv_encoder = nouveau_connector_of_detect(connector); 630 if (nv_encoder) { 631 nouveau_connector_set_encoder(connector, nv_encoder); 632 conn_status = connector_status_connected; 633 goto out; 634 } 635 636 detect_analog: 637 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 638 if (!nv_encoder && !nouveau_tv_disable) 639 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 640 if (nv_encoder && force) { 641 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 642 const struct drm_encoder_helper_funcs *helper = 643 encoder->helper_private; 644 645 if (helper->detect(encoder, connector) == 646 connector_status_connected) { 647 nouveau_connector_set_encoder(connector, nv_encoder); 648 conn_status = connector_status_connected; 649 goto out; 650 } 651 652 } 653 654 out: 655 656 if (!drm_kms_helper_is_poll_worker()) { 657 pm_runtime_mark_last_busy(connector->dev->dev); 658 pm_runtime_put_autosuspend(connector->dev->dev); 659 } 660 661 return conn_status; 662 } 663 664 static enum drm_connector_status 665 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 666 { 667 struct drm_device *dev = connector->dev; 668 struct nouveau_drm *drm = nouveau_drm(dev); 669 struct nouveau_connector *nv_connector = nouveau_connector(connector); 670 struct nouveau_encoder *nv_encoder = NULL; 671 enum drm_connector_status status = connector_status_disconnected; 672 673 /* Cleanup the previous EDID block. */ 674 if (nv_connector->edid) { 675 drm_mode_connector_update_edid_property(connector, NULL); 676 kfree(nv_connector->edid); 677 nv_connector->edid = NULL; 678 } 679 680 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 681 if (!nv_encoder) 682 return connector_status_disconnected; 683 684 /* Try retrieving EDID via DDC */ 685 if (!drm->vbios.fp_no_ddc) { 686 status = nouveau_connector_detect(connector, force); 687 if (status == connector_status_connected) 688 goto out; 689 } 690 691 /* On some laptops (Sony, i'm looking at you) there appears to 692 * be no direct way of accessing the panel's EDID. The only 693 * option available to us appears to be to ask ACPI for help.. 694 * 695 * It's important this check's before trying straps, one of the 696 * said manufacturer's laptops are configured in such a way 697 * the nouveau decides an entry in the VBIOS FP mode table is 698 * valid - it's not (rh#613284) 699 */ 700 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 701 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 702 status = connector_status_connected; 703 goto out; 704 } 705 } 706 707 /* If no EDID found above, and the VBIOS indicates a hardcoded 708 * modeline is avalilable for the panel, set it as the panel's 709 * native mode and exit. 710 */ 711 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 712 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 713 status = connector_status_connected; 714 goto out; 715 } 716 717 /* Still nothing, some VBIOS images have a hardcoded EDID block 718 * stored for the panel stored in them. 719 */ 720 if (!drm->vbios.fp_no_ddc) { 721 struct edid *edid = 722 (struct edid *)nouveau_bios_embedded_edid(dev); 723 if (edid) { 724 nv_connector->edid = 725 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 726 if (nv_connector->edid) 727 status = connector_status_connected; 728 } 729 } 730 731 out: 732 #if defined(CONFIG_ACPI_BUTTON) || \ 733 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 734 if (status == connector_status_connected && 735 !nouveau_ignorelid && !acpi_lid_open()) 736 status = connector_status_unknown; 737 #endif 738 739 drm_mode_connector_update_edid_property(connector, nv_connector->edid); 740 nouveau_connector_set_encoder(connector, nv_encoder); 741 return status; 742 } 743 744 static void 745 nouveau_connector_force(struct drm_connector *connector) 746 { 747 struct nouveau_drm *drm = nouveau_drm(connector->dev); 748 struct nouveau_connector *nv_connector = nouveau_connector(connector); 749 struct nouveau_encoder *nv_encoder; 750 int type; 751 752 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 753 if (connector->force == DRM_FORCE_ON_DIGITAL) 754 type = DCB_OUTPUT_TMDS; 755 else 756 type = DCB_OUTPUT_ANALOG; 757 } else 758 type = DCB_OUTPUT_ANY; 759 760 nv_encoder = find_encoder(connector, type); 761 if (!nv_encoder) { 762 NV_ERROR(drm, "can't find encoder to force %s on!\n", 763 connector->name); 764 connector->status = connector_status_disconnected; 765 return; 766 } 767 768 nouveau_connector_set_encoder(connector, nv_encoder); 769 } 770 771 static int 772 nouveau_connector_set_property(struct drm_connector *connector, 773 struct drm_property *property, uint64_t value) 774 { 775 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state); 776 struct nouveau_connector *nv_connector = nouveau_connector(connector); 777 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 778 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 779 int ret; 780 781 ret = connector->funcs->atomic_set_property(&nv_connector->base, 782 &asyc->state, 783 property, value); 784 if (ret) { 785 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 786 return get_slave_funcs(encoder)->set_property( 787 encoder, connector, property, value); 788 return ret; 789 } 790 791 nv_connector->scaling_mode = asyc->scaler.mode; 792 nv_connector->dithering_mode = asyc->dither.mode; 793 794 if (connector->encoder && connector->encoder->crtc) { 795 ret = drm_crtc_helper_set_mode(connector->encoder->crtc, 796 &connector->encoder->crtc->mode, 797 connector->encoder->crtc->x, 798 connector->encoder->crtc->y, 799 NULL); 800 if (!ret) 801 return -EINVAL; 802 } 803 804 return 0; 805 } 806 807 struct moderec { 808 int hdisplay; 809 int vdisplay; 810 }; 811 812 static struct moderec scaler_modes[] = { 813 { 1920, 1200 }, 814 { 1920, 1080 }, 815 { 1680, 1050 }, 816 { 1600, 1200 }, 817 { 1400, 1050 }, 818 { 1280, 1024 }, 819 { 1280, 960 }, 820 { 1152, 864 }, 821 { 1024, 768 }, 822 { 800, 600 }, 823 { 720, 400 }, 824 { 640, 480 }, 825 { 640, 400 }, 826 { 640, 350 }, 827 {} 828 }; 829 830 static int 831 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 832 { 833 struct nouveau_connector *nv_connector = nouveau_connector(connector); 834 struct drm_display_mode *native = nv_connector->native_mode, *m; 835 struct drm_device *dev = connector->dev; 836 struct moderec *mode = &scaler_modes[0]; 837 int modes = 0; 838 839 if (!native) 840 return 0; 841 842 while (mode->hdisplay) { 843 if (mode->hdisplay <= native->hdisplay && 844 mode->vdisplay <= native->vdisplay && 845 (mode->hdisplay != native->hdisplay || 846 mode->vdisplay != native->vdisplay)) { 847 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 848 drm_mode_vrefresh(native), false, 849 false, false); 850 if (!m) 851 continue; 852 853 drm_mode_probed_add(connector, m); 854 modes++; 855 } 856 857 mode++; 858 } 859 860 return modes; 861 } 862 863 static void 864 nouveau_connector_detect_depth(struct drm_connector *connector) 865 { 866 struct nouveau_drm *drm = nouveau_drm(connector->dev); 867 struct nouveau_connector *nv_connector = nouveau_connector(connector); 868 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 869 struct nvbios *bios = &drm->vbios; 870 struct drm_display_mode *mode = nv_connector->native_mode; 871 bool duallink; 872 873 /* if the edid is feeling nice enough to provide this info, use it */ 874 if (nv_connector->edid && connector->display_info.bpc) 875 return; 876 877 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 878 if (nv_connector->type == DCB_CONNECTOR_eDP) { 879 connector->display_info.bpc = 6; 880 return; 881 } 882 883 /* we're out of options unless we're LVDS, default to 8bpc */ 884 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 885 connector->display_info.bpc = 8; 886 return; 887 } 888 889 connector->display_info.bpc = 6; 890 891 /* LVDS: panel straps */ 892 if (bios->fp_no_ddc) { 893 if (bios->fp.if_is_24bit) 894 connector->display_info.bpc = 8; 895 return; 896 } 897 898 /* LVDS: DDC panel, need to first determine the number of links to 899 * know which if_is_24bit flag to check... 900 */ 901 if (nv_connector->edid && 902 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 903 duallink = ((u8 *)nv_connector->edid)[121] == 2; 904 else 905 duallink = mode->clock >= bios->fp.duallink_transition_clk; 906 907 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 908 ( duallink && (bios->fp.strapless_is_24bit & 2))) 909 connector->display_info.bpc = 8; 910 } 911 912 static int 913 nouveau_connector_get_modes(struct drm_connector *connector) 914 { 915 struct drm_device *dev = connector->dev; 916 struct nouveau_drm *drm = nouveau_drm(dev); 917 struct nouveau_connector *nv_connector = nouveau_connector(connector); 918 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 919 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 920 int ret = 0; 921 922 /* destroy the native mode, the attached monitor could have changed. 923 */ 924 if (nv_connector->native_mode) { 925 drm_mode_destroy(dev, nv_connector->native_mode); 926 nv_connector->native_mode = NULL; 927 } 928 929 if (nv_connector->edid) 930 ret = drm_add_edid_modes(connector, nv_connector->edid); 931 else 932 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 933 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 934 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 935 struct drm_display_mode mode; 936 937 nouveau_bios_fp_mode(dev, &mode); 938 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 939 } 940 941 /* Determine display colour depth for everything except LVDS now, 942 * DP requires this before mode_valid() is called. 943 */ 944 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 945 nouveau_connector_detect_depth(connector); 946 947 /* Find the native mode if this is a digital panel, if we didn't 948 * find any modes through DDC previously add the native mode to 949 * the list of modes. 950 */ 951 if (!nv_connector->native_mode) 952 nv_connector->native_mode = nouveau_conn_native_mode(connector); 953 if (ret == 0 && nv_connector->native_mode) { 954 struct drm_display_mode *mode; 955 956 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 957 drm_mode_probed_add(connector, mode); 958 ret = 1; 959 } 960 961 /* Determine LVDS colour depth, must happen after determining 962 * "native" mode as some VBIOS tables require us to use the 963 * pixel clock as part of the lookup... 964 */ 965 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 966 nouveau_connector_detect_depth(connector); 967 968 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 969 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 970 971 if (nv_connector->type == DCB_CONNECTOR_LVDS || 972 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 973 nv_connector->type == DCB_CONNECTOR_eDP) 974 ret += nouveau_connector_scaler_modes_add(connector); 975 976 return ret; 977 } 978 979 static unsigned 980 get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi) 981 { 982 struct nouveau_connector *nv_connector = nouveau_connector(connector); 983 struct nouveau_drm *drm = nouveau_drm(connector->dev); 984 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 985 986 if (hdmi) { 987 if (nouveau_hdmimhz > 0) 988 return nouveau_hdmimhz * 1000; 989 /* Note: these limits are conservative, some Fermi's 990 * can do 297 MHz. Unclear how this can be determined. 991 */ 992 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER) 993 return 297000; 994 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) 995 return 225000; 996 } 997 if (dcb->location != DCB_LOC_ON_CHIP || 998 drm->client.device.info.chipset >= 0x46) 999 return 165000; 1000 else if (drm->client.device.info.chipset >= 0x40) 1001 return 155000; 1002 else if (drm->client.device.info.chipset >= 0x18) 1003 return 135000; 1004 else 1005 return 112000; 1006 } 1007 1008 static enum drm_mode_status 1009 nouveau_connector_mode_valid(struct drm_connector *connector, 1010 struct drm_display_mode *mode) 1011 { 1012 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1013 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 1014 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 1015 unsigned min_clock = 25000, max_clock = min_clock; 1016 unsigned clock = mode->clock; 1017 bool hdmi; 1018 1019 switch (nv_encoder->dcb->type) { 1020 case DCB_OUTPUT_LVDS: 1021 if (nv_connector->native_mode && 1022 (mode->hdisplay > nv_connector->native_mode->hdisplay || 1023 mode->vdisplay > nv_connector->native_mode->vdisplay)) 1024 return MODE_PANEL; 1025 1026 min_clock = 0; 1027 max_clock = 400000; 1028 break; 1029 case DCB_OUTPUT_TMDS: 1030 hdmi = drm_detect_hdmi_monitor(nv_connector->edid); 1031 max_clock = get_tmds_link_bandwidth(connector, hdmi); 1032 if (!hdmi && nouveau_duallink && 1033 nv_encoder->dcb->duallink_possible) 1034 max_clock *= 2; 1035 break; 1036 case DCB_OUTPUT_ANALOG: 1037 max_clock = nv_encoder->dcb->crtconf.maxfreq; 1038 if (!max_clock) 1039 max_clock = 350000; 1040 break; 1041 case DCB_OUTPUT_TV: 1042 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 1043 case DCB_OUTPUT_DP: 1044 max_clock = nv_encoder->dp.link_nr; 1045 max_clock *= nv_encoder->dp.link_bw; 1046 clock = clock * (connector->display_info.bpc * 3) / 10; 1047 break; 1048 default: 1049 BUG(); 1050 return MODE_BAD; 1051 } 1052 1053 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) 1054 clock *= 2; 1055 1056 if (clock < min_clock) 1057 return MODE_CLOCK_LOW; 1058 1059 if (clock > max_clock) 1060 return MODE_CLOCK_HIGH; 1061 1062 return MODE_OK; 1063 } 1064 1065 static struct drm_encoder * 1066 nouveau_connector_best_encoder(struct drm_connector *connector) 1067 { 1068 struct nouveau_connector *nv_connector = nouveau_connector(connector); 1069 1070 if (nv_connector->detected_encoder) 1071 return to_drm_encoder(nv_connector->detected_encoder); 1072 1073 return NULL; 1074 } 1075 1076 static const struct drm_connector_helper_funcs 1077 nouveau_connector_helper_funcs = { 1078 .get_modes = nouveau_connector_get_modes, 1079 .mode_valid = nouveau_connector_mode_valid, 1080 .best_encoder = nouveau_connector_best_encoder, 1081 }; 1082 1083 static const struct drm_connector_funcs 1084 nouveau_connector_funcs = { 1085 .dpms = drm_helper_connector_dpms, 1086 .reset = nouveau_conn_reset, 1087 .detect = nouveau_connector_detect, 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 const struct drm_connector_funcs 1099 nouveau_connector_funcs_lvds = { 1100 .dpms = drm_helper_connector_dpms, 1101 .reset = nouveau_conn_reset, 1102 .detect = nouveau_connector_detect_lvds, 1103 .force = nouveau_connector_force, 1104 .fill_modes = drm_helper_probe_single_connector_modes, 1105 .set_property = nouveau_connector_set_property, 1106 .destroy = nouveau_connector_destroy, 1107 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, 1108 .atomic_destroy_state = nouveau_conn_atomic_destroy_state, 1109 .atomic_set_property = nouveau_conn_atomic_set_property, 1110 .atomic_get_property = nouveau_conn_atomic_get_property, 1111 }; 1112 1113 static int 1114 nouveau_connector_hotplug(struct nvif_notify *notify) 1115 { 1116 struct nouveau_connector *nv_connector = 1117 container_of(notify, typeof(*nv_connector), hpd); 1118 struct drm_connector *connector = &nv_connector->base; 1119 struct nouveau_drm *drm = nouveau_drm(connector->dev); 1120 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 1121 const char *name = connector->name; 1122 struct nouveau_encoder *nv_encoder; 1123 1124 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 1125 NV_DEBUG(drm, "service %s\n", name); 1126 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) 1127 nv50_mstm_service(nv_encoder->dp.mstm); 1128 } else { 1129 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 1130 1131 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 1132 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) { 1133 if (!plugged) 1134 nv50_mstm_remove(nv_encoder->dp.mstm); 1135 } 1136 1137 drm_helper_hpd_irq_event(connector->dev); 1138 } 1139 1140 return NVIF_NOTIFY_KEEP; 1141 } 1142 1143 static ssize_t 1144 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1145 { 1146 struct nouveau_connector *nv_connector = 1147 container_of(obj, typeof(*nv_connector), aux); 1148 struct nouveau_encoder *nv_encoder; 1149 struct nvkm_i2c_aux *aux; 1150 u8 size = msg->size; 1151 int ret; 1152 1153 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1154 if (!nv_encoder || !(aux = nv_encoder->aux)) 1155 return -ENODEV; 1156 if (WARN_ON(msg->size > 16)) 1157 return -E2BIG; 1158 1159 ret = nvkm_i2c_aux_acquire(aux); 1160 if (ret) 1161 return ret; 1162 1163 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1164 msg->buffer, &size); 1165 nvkm_i2c_aux_release(aux); 1166 if (ret >= 0) { 1167 msg->reply = ret; 1168 return size; 1169 } 1170 1171 return ret; 1172 } 1173 1174 static int 1175 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1176 { 1177 switch (dcb) { 1178 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1179 case DCB_CONNECTOR_TV_0 : 1180 case DCB_CONNECTOR_TV_1 : 1181 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1182 case DCB_CONNECTOR_DMS59_0 : 1183 case DCB_CONNECTOR_DMS59_1 : 1184 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1185 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1186 case DCB_CONNECTOR_LVDS : 1187 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1188 case DCB_CONNECTOR_DMS59_DP0: 1189 case DCB_CONNECTOR_DMS59_DP1: 1190 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort; 1191 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1192 case DCB_CONNECTOR_HDMI_0 : 1193 case DCB_CONNECTOR_HDMI_1 : 1194 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1195 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL; 1196 default: 1197 break; 1198 } 1199 1200 return DRM_MODE_CONNECTOR_Unknown; 1201 } 1202 1203 struct drm_connector * 1204 nouveau_connector_create(struct drm_device *dev, int index) 1205 { 1206 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1207 struct nouveau_drm *drm = nouveau_drm(dev); 1208 struct nouveau_display *disp = nouveau_display(dev); 1209 struct nouveau_connector *nv_connector = NULL; 1210 struct drm_connector *connector; 1211 struct drm_connector_list_iter conn_iter; 1212 int type, ret = 0; 1213 bool dummy; 1214 1215 drm_connector_list_iter_begin(dev, &conn_iter); 1216 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 1217 nv_connector = nouveau_connector(connector); 1218 if (nv_connector->index == index) { 1219 drm_connector_list_iter_end(&conn_iter); 1220 return connector; 1221 } 1222 } 1223 drm_connector_list_iter_end(&conn_iter); 1224 1225 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1226 if (!nv_connector) 1227 return ERR_PTR(-ENOMEM); 1228 1229 connector = &nv_connector->base; 1230 nv_connector->index = index; 1231 1232 /* attempt to parse vbios connector type and hotplug gpio */ 1233 nv_connector->dcb = olddcb_conn(dev, index); 1234 if (nv_connector->dcb) { 1235 u32 entry = ROM16(nv_connector->dcb[0]); 1236 if (olddcb_conntab(dev)[3] >= 4) 1237 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1238 1239 nv_connector->type = nv_connector->dcb[0]; 1240 if (drm_conntype_from_dcb(nv_connector->type) == 1241 DRM_MODE_CONNECTOR_Unknown) { 1242 NV_WARN(drm, "unknown connector type %02x\n", 1243 nv_connector->type); 1244 nv_connector->type = DCB_CONNECTOR_NONE; 1245 } 1246 1247 /* Gigabyte NX85T */ 1248 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1249 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1250 nv_connector->type = DCB_CONNECTOR_DVI_I; 1251 } 1252 1253 /* Gigabyte GV-NX86T512H */ 1254 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1255 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1256 nv_connector->type = DCB_CONNECTOR_DVI_I; 1257 } 1258 } else { 1259 nv_connector->type = DCB_CONNECTOR_NONE; 1260 } 1261 1262 /* no vbios data, or an unknown dcb connector type - attempt to 1263 * figure out something suitable ourselves 1264 */ 1265 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1266 struct nouveau_drm *drm = nouveau_drm(dev); 1267 struct dcb_table *dcbt = &drm->vbios.dcb; 1268 u32 encoders = 0; 1269 int i; 1270 1271 for (i = 0; i < dcbt->entries; i++) { 1272 if (dcbt->entry[i].connector == nv_connector->index) 1273 encoders |= (1 << dcbt->entry[i].type); 1274 } 1275 1276 if (encoders & (1 << DCB_OUTPUT_DP)) { 1277 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1278 nv_connector->type = DCB_CONNECTOR_DP; 1279 else 1280 nv_connector->type = DCB_CONNECTOR_eDP; 1281 } else 1282 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1283 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1284 nv_connector->type = DCB_CONNECTOR_DVI_I; 1285 else 1286 nv_connector->type = DCB_CONNECTOR_DVI_D; 1287 } else 1288 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1289 nv_connector->type = DCB_CONNECTOR_VGA; 1290 } else 1291 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1292 nv_connector->type = DCB_CONNECTOR_LVDS; 1293 } else 1294 if (encoders & (1 << DCB_OUTPUT_TV)) { 1295 nv_connector->type = DCB_CONNECTOR_TV_0; 1296 } 1297 } 1298 1299 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1300 case DRM_MODE_CONNECTOR_LVDS: 1301 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1302 if (ret) { 1303 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1304 kfree(nv_connector); 1305 return ERR_PTR(ret); 1306 } 1307 1308 funcs = &nouveau_connector_funcs_lvds; 1309 break; 1310 case DRM_MODE_CONNECTOR_DisplayPort: 1311 case DRM_MODE_CONNECTOR_eDP: 1312 nv_connector->aux.dev = dev->dev; 1313 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1314 ret = drm_dp_aux_register(&nv_connector->aux); 1315 if (ret) { 1316 NV_ERROR(drm, "failed to register aux channel\n"); 1317 kfree(nv_connector); 1318 return ERR_PTR(ret); 1319 } 1320 1321 funcs = &nouveau_connector_funcs; 1322 break; 1323 default: 1324 funcs = &nouveau_connector_funcs; 1325 break; 1326 } 1327 1328 /* HDMI 3D support */ 1329 if ((disp->disp.object.oclass >= G82_DISP) 1330 && ((type == DRM_MODE_CONNECTOR_DisplayPort) 1331 || (type == DRM_MODE_CONNECTOR_eDP) 1332 || (type == DRM_MODE_CONNECTOR_HDMIA))) 1333 connector->stereo_allowed = true; 1334 1335 /* defaults, will get overridden in detect() */ 1336 connector->interlace_allowed = false; 1337 connector->doublescan_allowed = false; 1338 1339 drm_connector_init(dev, connector, funcs, type); 1340 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1341 1342 connector->funcs->reset(connector); 1343 nouveau_conn_attach_properties(connector); 1344 1345 /* Default scaling mode */ 1346 switch (nv_connector->type) { 1347 case DCB_CONNECTOR_LVDS: 1348 case DCB_CONNECTOR_LVDS_SPWG: 1349 case DCB_CONNECTOR_eDP: 1350 /* see note in nouveau_connector_set_property() */ 1351 if (disp->disp.object.oclass < NV50_DISP) { 1352 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1353 break; 1354 } 1355 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1356 break; 1357 default: 1358 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1359 break; 1360 } 1361 1362 /* dithering properties */ 1363 switch (nv_connector->type) { 1364 case DCB_CONNECTOR_TV_0: 1365 case DCB_CONNECTOR_TV_1: 1366 case DCB_CONNECTOR_TV_3: 1367 case DCB_CONNECTOR_VGA: 1368 break; 1369 default: 1370 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1371 break; 1372 } 1373 1374 ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug, 1375 true, NV04_DISP_NTFY_CONN, 1376 &(struct nvif_notify_conn_req_v0) { 1377 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1378 .conn = index, 1379 }, 1380 sizeof(struct nvif_notify_conn_req_v0), 1381 sizeof(struct nvif_notify_conn_rep_v0), 1382 &nv_connector->hpd); 1383 if (ret) 1384 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1385 else 1386 connector->polled = DRM_CONNECTOR_POLL_HPD; 1387 1388 drm_connector_register(connector); 1389 return connector; 1390 } 1391