nouveau_connector.c revision 1.4.6.1
1 /* $NetBSD: nouveau_connector.c,v 1.4.6.1 2020/02/29 20:20:14 ad Exp $ */ 2 3 /* 4 * Copyright (C) 2008 Maarten Maathuis. 5 * All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining 8 * a copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, sublicense, and/or sell copies of the Software, and to 12 * permit persons to whom the Software is furnished to do so, subject to 13 * the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the 16 * next paragraph) shall be included in all copies or substantial 17 * portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 22 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26 * 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: nouveau_connector.c,v 1.4.6.1 2020/02/29 20:20:14 ad Exp $"); 31 32 #include <acpi/button.h> 33 34 #include <linux/pm_runtime.h> 35 36 #include <drm/drmP.h> 37 #include <drm/drm_edid.h> 38 #include <drm/drm_crtc_helper.h> 39 40 #include "nouveau_reg.h" 41 #include "nouveau_drm.h" 42 #include "dispnv04/hw.h" 43 #include "nouveau_acpi.h" 44 45 #include "nouveau_display.h" 46 #include "nouveau_connector.h" 47 #include "nouveau_encoder.h" 48 #include "nouveau_crtc.h" 49 50 #include <nvif/event.h> 51 52 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); 53 int nouveau_tv_disable = 0; 54 module_param_named(tv_disable, nouveau_tv_disable, int, 0400); 55 56 #if defined(CONFIG_ACPI_BUTTON) || \ 57 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 58 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status"); 59 int nouveau_ignorelid = 0; 60 module_param_named(ignorelid, nouveau_ignorelid, int, 0400); 61 #endif 62 63 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); 64 int nouveau_duallink = 1; 65 module_param_named(duallink, nouveau_duallink, int, 0400); 66 67 struct nouveau_encoder * 68 find_encoder(struct drm_connector *connector, int type) 69 { 70 struct drm_device *dev = connector->dev; 71 struct nouveau_encoder *nv_encoder; 72 struct drm_encoder *enc; 73 int i, id; 74 75 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { 76 id = connector->encoder_ids[i]; 77 if (!id) 78 break; 79 80 enc = drm_encoder_find(dev, id); 81 if (!enc) 82 continue; 83 nv_encoder = nouveau_encoder(enc); 84 85 if (type == DCB_OUTPUT_ANY || 86 (nv_encoder->dcb && nv_encoder->dcb->type == type)) 87 return nv_encoder; 88 } 89 90 return NULL; 91 } 92 93 struct nouveau_connector * 94 nouveau_encoder_connector_get(struct nouveau_encoder *encoder) 95 { 96 struct drm_device *dev = to_drm_encoder(encoder)->dev; 97 struct drm_connector *drm_connector; 98 99 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) { 100 if (drm_connector->encoder == to_drm_encoder(encoder)) 101 return nouveau_connector(drm_connector); 102 } 103 104 return NULL; 105 } 106 107 static void 108 nouveau_connector_destroy(struct drm_connector *connector) 109 { 110 struct nouveau_connector *nv_connector = nouveau_connector(connector); 111 nvif_notify_fini(&nv_connector->hpd); 112 kfree(nv_connector->edid); 113 drm_connector_unregister(connector); 114 drm_connector_cleanup(connector); 115 if (nv_connector->aux.transfer) 116 drm_dp_aux_unregister(&nv_connector->aux); 117 kfree(connector); 118 } 119 120 static struct nouveau_encoder * 121 nouveau_connector_ddc_detect(struct drm_connector *connector) 122 { 123 struct drm_device *dev = connector->dev; 124 struct nouveau_connector *nv_connector = nouveau_connector(connector); 125 struct nouveau_drm *drm = nouveau_drm(dev); 126 struct nvkm_gpio *gpio = nvxx_gpio(&drm->device); 127 struct nouveau_encoder *nv_encoder; 128 struct drm_encoder *encoder; 129 int i, panel = -ENODEV; 130 131 /* eDP panels need powering on by us (if the VBIOS doesn't default it 132 * to on) before doing any AUX channel transactions. LVDS panel power 133 * is handled by the SOR itself, and not required for LVDS DDC. 134 */ 135 if (nv_connector->type == DCB_CONNECTOR_eDP) { 136 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff); 137 if (panel == 0) { 138 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1); 139 msleep(300); 140 } 141 } 142 143 for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) { 144 int id = connector->encoder_ids[i]; 145 if (id == 0) 146 break; 147 148 encoder = drm_encoder_find(dev, id); 149 if (!encoder) 150 continue; 151 nv_encoder = nouveau_encoder(encoder); 152 153 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) { 154 int ret = nouveau_dp_detect(nv_encoder); 155 if (ret == 0) 156 break; 157 } else 158 if (nv_encoder->i2c) { 159 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50)) 160 break; 161 } 162 } 163 164 /* eDP panel not detected, restore panel power GPIO to previous 165 * state to avoid confusing the SOR for other output types. 166 */ 167 if (!nv_encoder && panel == 0) 168 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel); 169 170 return nv_encoder; 171 } 172 173 static struct nouveau_encoder * 174 nouveau_connector_of_detect(struct drm_connector *connector) 175 { 176 #ifdef __powerpc__ 177 struct drm_device *dev = connector->dev; 178 struct nouveau_connector *nv_connector = nouveau_connector(connector); 179 struct nouveau_encoder *nv_encoder; 180 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev); 181 182 if (!dn || 183 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) || 184 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG)))) 185 return NULL; 186 187 for_each_child_of_node(dn, cn) { 188 const char *name = of_get_property(cn, "name", NULL); 189 const void *edid = of_get_property(cn, "EDID", NULL); 190 int idx = name ? name[strlen(name) - 1] - 'A' : 0; 191 192 if (nv_encoder->dcb->i2c_index == idx && edid) { 193 nv_connector->edid = 194 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 195 of_node_put(cn); 196 return nv_encoder; 197 } 198 } 199 #endif 200 return NULL; 201 } 202 203 static void 204 nouveau_connector_set_encoder(struct drm_connector *connector, 205 struct nouveau_encoder *nv_encoder) 206 { 207 struct nouveau_connector *nv_connector = nouveau_connector(connector); 208 struct nouveau_drm *drm = nouveau_drm(connector->dev); 209 struct drm_device *dev = connector->dev; 210 211 if (nv_connector->detected_encoder == nv_encoder) 212 return; 213 nv_connector->detected_encoder = nv_encoder; 214 215 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 216 connector->interlace_allowed = true; 217 connector->doublescan_allowed = true; 218 } else 219 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS || 220 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) { 221 connector->doublescan_allowed = false; 222 connector->interlace_allowed = false; 223 } else { 224 connector->doublescan_allowed = true; 225 if (drm->device.info.family == NV_DEVICE_INFO_V0_KELVIN || 226 (drm->device.info.family == NV_DEVICE_INFO_V0_CELSIUS && 227 (dev->pdev->device & 0x0ff0) != 0x0100 && 228 (dev->pdev->device & 0x0ff0) != 0x0150)) 229 /* HW is broken */ 230 connector->interlace_allowed = false; 231 else 232 connector->interlace_allowed = true; 233 } 234 235 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 236 drm_object_property_set_value(&connector->base, 237 dev->mode_config.dvi_i_subconnector_property, 238 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ? 239 DRM_MODE_SUBCONNECTOR_DVID : 240 DRM_MODE_SUBCONNECTOR_DVIA); 241 } 242 } 243 244 static enum drm_connector_status 245 nouveau_connector_detect(struct drm_connector *connector, bool force) 246 { 247 struct drm_device *dev = connector->dev; 248 struct nouveau_drm *drm = nouveau_drm(dev); 249 struct nouveau_connector *nv_connector = nouveau_connector(connector); 250 struct nouveau_encoder *nv_encoder = NULL; 251 struct nouveau_encoder *nv_partner; 252 struct i2c_adapter *i2c; 253 int type; 254 int ret; 255 enum drm_connector_status conn_status = connector_status_disconnected; 256 257 /* Cleanup the previous EDID block. */ 258 if (nv_connector->edid) { 259 drm_mode_connector_update_edid_property(connector, NULL); 260 kfree(nv_connector->edid); 261 nv_connector->edid = NULL; 262 } 263 264 /* Outputs are only polled while runtime active, so acquiring a 265 * runtime PM ref here is unnecessary (and would deadlock upon 266 * runtime suspend because it waits for polling to finish). 267 */ 268 if (!drm_kms_helper_is_poll_worker()) { 269 ret = pm_runtime_get_sync(connector->dev->dev); 270 if (ret < 0 && ret != -EACCES) 271 return conn_status; 272 } 273 274 nv_encoder = nouveau_connector_ddc_detect(connector); 275 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) { 276 nv_connector->edid = drm_get_edid(connector, i2c); 277 drm_mode_connector_update_edid_property(connector, 278 nv_connector->edid); 279 if (!nv_connector->edid) { 280 NV_ERROR(drm, "DDC responded, but no EDID for %s\n", 281 connector->name); 282 goto detect_analog; 283 } 284 285 /* Override encoder type for DVI-I based on whether EDID 286 * says the display is digital or analog, both use the 287 * same i2c channel so the value returned from ddc_detect 288 * isn't necessarily correct. 289 */ 290 nv_partner = NULL; 291 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) 292 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG); 293 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG) 294 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS); 295 296 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG && 297 nv_partner->dcb->type == DCB_OUTPUT_TMDS) || 298 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS && 299 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) { 300 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL) 301 type = DCB_OUTPUT_TMDS; 302 else 303 type = DCB_OUTPUT_ANALOG; 304 305 nv_encoder = find_encoder(connector, type); 306 BUG_ON(nv_encoder == NULL); 307 } 308 309 nouveau_connector_set_encoder(connector, nv_encoder); 310 conn_status = connector_status_connected; 311 goto out; 312 } 313 314 nv_encoder = nouveau_connector_of_detect(connector); 315 if (nv_encoder) { 316 nouveau_connector_set_encoder(connector, nv_encoder); 317 conn_status = connector_status_connected; 318 goto out; 319 } 320 321 detect_analog: 322 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG); 323 if (!nv_encoder && !nouveau_tv_disable) 324 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV); 325 if (nv_encoder && force) { 326 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 327 const struct drm_encoder_helper_funcs *helper = 328 encoder->helper_private; 329 330 if (helper->detect(encoder, connector) == 331 connector_status_connected) { 332 nouveau_connector_set_encoder(connector, nv_encoder); 333 conn_status = connector_status_connected; 334 goto out; 335 } 336 337 } 338 339 out: 340 341 if (!drm_kms_helper_is_poll_worker()) { 342 pm_runtime_mark_last_busy(connector->dev->dev); 343 pm_runtime_put_autosuspend(connector->dev->dev); 344 } 345 346 return conn_status; 347 } 348 349 static enum drm_connector_status 350 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) 351 { 352 struct drm_device *dev = connector->dev; 353 struct nouveau_drm *drm = nouveau_drm(dev); 354 struct nouveau_connector *nv_connector = nouveau_connector(connector); 355 struct nouveau_encoder *nv_encoder = NULL; 356 enum drm_connector_status status = connector_status_disconnected; 357 358 /* Cleanup the previous EDID block. */ 359 if (nv_connector->edid) { 360 drm_mode_connector_update_edid_property(connector, NULL); 361 kfree(nv_connector->edid); 362 nv_connector->edid = NULL; 363 } 364 365 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 366 if (!nv_encoder) 367 return connector_status_disconnected; 368 369 /* Try retrieving EDID via DDC */ 370 if (!drm->vbios.fp_no_ddc) { 371 status = nouveau_connector_detect(connector, force); 372 if (status == connector_status_connected) 373 goto out; 374 } 375 376 /* On some laptops (Sony, i'm looking at you) there appears to 377 * be no direct way of accessing the panel's EDID. The only 378 * option available to us appears to be to ask ACPI for help.. 379 * 380 * It's important this check's before trying straps, one of the 381 * said manufacturer's laptops are configured in such a way 382 * the nouveau decides an entry in the VBIOS FP mode table is 383 * valid - it's not (rh#613284) 384 */ 385 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { 386 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { 387 status = connector_status_connected; 388 goto out; 389 } 390 } 391 392 /* If no EDID found above, and the VBIOS indicates a hardcoded 393 * modeline is avalilable for the panel, set it as the panel's 394 * native mode and exit. 395 */ 396 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc || 397 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) { 398 status = connector_status_connected; 399 goto out; 400 } 401 402 /* Still nothing, some VBIOS images have a hardcoded EDID block 403 * stored for the panel stored in them. 404 */ 405 if (!drm->vbios.fp_no_ddc) { 406 struct edid *edid = 407 (struct edid *)nouveau_bios_embedded_edid(dev); 408 if (edid) { 409 nv_connector->edid = 410 kmemdup(edid, EDID_LENGTH, GFP_KERNEL); 411 if (nv_connector->edid) 412 status = connector_status_connected; 413 } 414 } 415 416 out: 417 #if defined(CONFIG_ACPI_BUTTON) || \ 418 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE)) 419 if (status == connector_status_connected && 420 !nouveau_ignorelid && !acpi_lid_open()) 421 status = connector_status_unknown; 422 #endif 423 424 drm_mode_connector_update_edid_property(connector, nv_connector->edid); 425 nouveau_connector_set_encoder(connector, nv_encoder); 426 return status; 427 } 428 429 static void 430 nouveau_connector_force(struct drm_connector *connector) 431 { 432 struct nouveau_drm *drm = nouveau_drm(connector->dev); 433 struct nouveau_connector *nv_connector = nouveau_connector(connector); 434 struct nouveau_encoder *nv_encoder; 435 int type; 436 437 if (nv_connector->type == DCB_CONNECTOR_DVI_I) { 438 if (connector->force == DRM_FORCE_ON_DIGITAL) 439 type = DCB_OUTPUT_TMDS; 440 else 441 type = DCB_OUTPUT_ANALOG; 442 } else 443 type = DCB_OUTPUT_ANY; 444 445 nv_encoder = find_encoder(connector, type); 446 if (!nv_encoder) { 447 NV_ERROR(drm, "can't find encoder to force %s on!\n", 448 connector->name); 449 connector->status = connector_status_disconnected; 450 return; 451 } 452 453 nouveau_connector_set_encoder(connector, nv_encoder); 454 } 455 456 static int 457 nouveau_connector_set_property(struct drm_connector *connector, 458 struct drm_property *property, uint64_t value) 459 { 460 struct nouveau_display *disp = nouveau_display(connector->dev); 461 struct nouveau_connector *nv_connector = nouveau_connector(connector); 462 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 463 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 464 struct drm_device *dev = connector->dev; 465 struct nouveau_crtc *nv_crtc; 466 int ret; 467 468 nv_crtc = NULL; 469 if (connector->encoder && connector->encoder->crtc) 470 nv_crtc = nouveau_crtc(connector->encoder->crtc); 471 472 /* Scaling mode */ 473 if (property == dev->mode_config.scaling_mode_property) { 474 bool modeset = false; 475 476 switch (value) { 477 case DRM_MODE_SCALE_NONE: 478 /* We allow 'None' for EDID modes, even on a fixed 479 * panel (some exist with support for lower refresh 480 * rates, which people might want to use for power 481 * saving purposes). 482 * 483 * Non-EDID modes will force the use of GPU scaling 484 * to the native mode regardless of this setting. 485 */ 486 switch (nv_connector->type) { 487 case DCB_CONNECTOR_LVDS: 488 case DCB_CONNECTOR_LVDS_SPWG: 489 case DCB_CONNECTOR_eDP: 490 /* ... except prior to G80, where the code 491 * doesn't support such things. 492 */ 493 if (disp->disp.oclass < NV50_DISP) 494 return -EINVAL; 495 break; 496 default: 497 break; 498 } 499 break; 500 case DRM_MODE_SCALE_FULLSCREEN: 501 case DRM_MODE_SCALE_CENTER: 502 case DRM_MODE_SCALE_ASPECT: 503 break; 504 default: 505 return -EINVAL; 506 } 507 508 /* Changing between GPU and panel scaling requires a full 509 * modeset 510 */ 511 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) || 512 (value == DRM_MODE_SCALE_NONE)) 513 modeset = true; 514 nv_connector->scaling_mode = value; 515 516 if (!nv_crtc) 517 return 0; 518 519 if (modeset || !nv_crtc->set_scale) { 520 ret = drm_crtc_helper_set_mode(&nv_crtc->base, 521 &nv_crtc->base.mode, 522 nv_crtc->base.x, 523 nv_crtc->base.y, NULL); 524 if (!ret) 525 return -EINVAL; 526 } else { 527 ret = nv_crtc->set_scale(nv_crtc, true); 528 if (ret) 529 return ret; 530 } 531 532 return 0; 533 } 534 535 /* Underscan */ 536 if (property == disp->underscan_property) { 537 if (nv_connector->underscan != value) { 538 nv_connector->underscan = value; 539 if (!nv_crtc || !nv_crtc->set_scale) 540 return 0; 541 542 return nv_crtc->set_scale(nv_crtc, true); 543 } 544 545 return 0; 546 } 547 548 if (property == disp->underscan_hborder_property) { 549 if (nv_connector->underscan_hborder != value) { 550 nv_connector->underscan_hborder = value; 551 if (!nv_crtc || !nv_crtc->set_scale) 552 return 0; 553 554 return nv_crtc->set_scale(nv_crtc, true); 555 } 556 557 return 0; 558 } 559 560 if (property == disp->underscan_vborder_property) { 561 if (nv_connector->underscan_vborder != value) { 562 nv_connector->underscan_vborder = value; 563 if (!nv_crtc || !nv_crtc->set_scale) 564 return 0; 565 566 return nv_crtc->set_scale(nv_crtc, true); 567 } 568 569 return 0; 570 } 571 572 /* Dithering */ 573 if (property == disp->dithering_mode) { 574 nv_connector->dithering_mode = value; 575 if (!nv_crtc || !nv_crtc->set_dither) 576 return 0; 577 578 return nv_crtc->set_dither(nv_crtc, true); 579 } 580 581 if (property == disp->dithering_depth) { 582 nv_connector->dithering_depth = value; 583 if (!nv_crtc || !nv_crtc->set_dither) 584 return 0; 585 586 return nv_crtc->set_dither(nv_crtc, true); 587 } 588 589 if (nv_crtc && nv_crtc->set_color_vibrance) { 590 /* Hue */ 591 if (property == disp->vibrant_hue_property) { 592 nv_crtc->vibrant_hue = value - 90; 593 return nv_crtc->set_color_vibrance(nv_crtc, true); 594 } 595 /* Saturation */ 596 if (property == disp->color_vibrance_property) { 597 nv_crtc->color_vibrance = value - 100; 598 return nv_crtc->set_color_vibrance(nv_crtc, true); 599 } 600 } 601 602 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV) 603 return get_slave_funcs(encoder)->set_property( 604 encoder, connector, property, value); 605 606 return -EINVAL; 607 } 608 609 static struct drm_display_mode * 610 nouveau_connector_native_mode(struct drm_connector *connector) 611 { 612 const struct drm_connector_helper_funcs *helper = connector->helper_private; 613 struct nouveau_drm *drm = nouveau_drm(connector->dev); 614 struct nouveau_connector *nv_connector = nouveau_connector(connector); 615 struct drm_device *dev = connector->dev; 616 struct drm_display_mode *mode, *largest = NULL; 617 int high_w = 0, high_h = 0, high_v = 0; 618 619 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) { 620 mode->vrefresh = drm_mode_vrefresh(mode); 621 if (helper->mode_valid(connector, mode) != MODE_OK || 622 (mode->flags & DRM_MODE_FLAG_INTERLACE)) 623 continue; 624 625 /* Use preferred mode if there is one.. */ 626 if (mode->type & DRM_MODE_TYPE_PREFERRED) { 627 NV_DEBUG(drm, "native mode from preferred\n"); 628 return drm_mode_duplicate(dev, mode); 629 } 630 631 /* Otherwise, take the resolution with the largest width, then 632 * height, then vertical refresh 633 */ 634 if (mode->hdisplay < high_w) 635 continue; 636 637 if (mode->hdisplay == high_w && mode->vdisplay < high_h) 638 continue; 639 640 if (mode->hdisplay == high_w && mode->vdisplay == high_h && 641 mode->vrefresh < high_v) 642 continue; 643 644 high_w = mode->hdisplay; 645 high_h = mode->vdisplay; 646 high_v = mode->vrefresh; 647 largest = mode; 648 } 649 650 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n", 651 high_w, high_h, high_v); 652 return largest ? drm_mode_duplicate(dev, largest) : NULL; 653 } 654 655 struct moderec { 656 int hdisplay; 657 int vdisplay; 658 }; 659 660 static struct moderec scaler_modes[] = { 661 { 1920, 1200 }, 662 { 1920, 1080 }, 663 { 1680, 1050 }, 664 { 1600, 1200 }, 665 { 1400, 1050 }, 666 { 1280, 1024 }, 667 { 1280, 960 }, 668 { 1152, 864 }, 669 { 1024, 768 }, 670 { 800, 600 }, 671 { 720, 400 }, 672 { 640, 480 }, 673 { 640, 400 }, 674 { 640, 350 }, 675 {} 676 }; 677 678 static int 679 nouveau_connector_scaler_modes_add(struct drm_connector *connector) 680 { 681 struct nouveau_connector *nv_connector = nouveau_connector(connector); 682 struct drm_display_mode *native = nv_connector->native_mode, *m; 683 struct drm_device *dev = connector->dev; 684 struct moderec *mode = &scaler_modes[0]; 685 int modes = 0; 686 687 if (!native) 688 return 0; 689 690 while (mode->hdisplay) { 691 if (mode->hdisplay <= native->hdisplay && 692 mode->vdisplay <= native->vdisplay && 693 (mode->hdisplay != native->hdisplay || 694 mode->vdisplay != native->vdisplay)) { 695 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay, 696 drm_mode_vrefresh(native), false, 697 false, false); 698 if (!m) 699 continue; 700 701 drm_mode_probed_add(connector, m); 702 modes++; 703 } 704 705 mode++; 706 } 707 708 return modes; 709 } 710 711 static void 712 nouveau_connector_detect_depth(struct drm_connector *connector) 713 { 714 struct nouveau_drm *drm = nouveau_drm(connector->dev); 715 struct nouveau_connector *nv_connector = nouveau_connector(connector); 716 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 717 struct nvbios *bios = &drm->vbios; 718 struct drm_display_mode *mode = nv_connector->native_mode; 719 bool duallink; 720 721 /* if the edid is feeling nice enough to provide this info, use it */ 722 if (nv_connector->edid && connector->display_info.bpc) 723 return; 724 725 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */ 726 if (nv_connector->type == DCB_CONNECTOR_eDP) { 727 connector->display_info.bpc = 6; 728 return; 729 } 730 731 /* we're out of options unless we're LVDS, default to 8bpc */ 732 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) { 733 connector->display_info.bpc = 8; 734 return; 735 } 736 737 connector->display_info.bpc = 6; 738 739 /* LVDS: panel straps */ 740 if (bios->fp_no_ddc) { 741 if (bios->fp.if_is_24bit) 742 connector->display_info.bpc = 8; 743 return; 744 } 745 746 /* LVDS: DDC panel, need to first determine the number of links to 747 * know which if_is_24bit flag to check... 748 */ 749 if (nv_connector->edid && 750 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) 751 duallink = ((u8 *)nv_connector->edid)[121] == 2; 752 else 753 duallink = mode->clock >= bios->fp.duallink_transition_clk; 754 755 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) || 756 ( duallink && (bios->fp.strapless_is_24bit & 2))) 757 connector->display_info.bpc = 8; 758 } 759 760 static int 761 nouveau_connector_get_modes(struct drm_connector *connector) 762 { 763 struct drm_device *dev = connector->dev; 764 struct nouveau_drm *drm = nouveau_drm(dev); 765 struct nouveau_connector *nv_connector = nouveau_connector(connector); 766 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 767 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 768 int ret = 0; 769 770 /* destroy the native mode, the attached monitor could have changed. 771 */ 772 if (nv_connector->native_mode) { 773 drm_mode_destroy(dev, nv_connector->native_mode); 774 nv_connector->native_mode = NULL; 775 } 776 777 if (nv_connector->edid) 778 ret = drm_add_edid_modes(connector, nv_connector->edid); 779 else 780 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS && 781 (nv_encoder->dcb->lvdsconf.use_straps_for_mode || 782 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) { 783 struct drm_display_mode mode; 784 785 nouveau_bios_fp_mode(dev, &mode); 786 nv_connector->native_mode = drm_mode_duplicate(dev, &mode); 787 } 788 789 /* Determine display colour depth for everything except LVDS now, 790 * DP requires this before mode_valid() is called. 791 */ 792 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) 793 nouveau_connector_detect_depth(connector); 794 795 /* Find the native mode if this is a digital panel, if we didn't 796 * find any modes through DDC previously add the native mode to 797 * the list of modes. 798 */ 799 if (!nv_connector->native_mode) 800 nv_connector->native_mode = 801 nouveau_connector_native_mode(connector); 802 if (ret == 0 && nv_connector->native_mode) { 803 struct drm_display_mode *mode; 804 805 mode = drm_mode_duplicate(dev, nv_connector->native_mode); 806 drm_mode_probed_add(connector, mode); 807 ret = 1; 808 } 809 810 /* Determine LVDS colour depth, must happen after determining 811 * "native" mode as some VBIOS tables require us to use the 812 * pixel clock as part of the lookup... 813 */ 814 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 815 nouveau_connector_detect_depth(connector); 816 817 if (nv_encoder->dcb->type == DCB_OUTPUT_TV) 818 ret = get_slave_funcs(encoder)->get_modes(encoder, connector); 819 820 if (nv_connector->type == DCB_CONNECTOR_LVDS || 821 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG || 822 nv_connector->type == DCB_CONNECTOR_eDP) 823 ret += nouveau_connector_scaler_modes_add(connector); 824 825 return ret; 826 } 827 828 static unsigned 829 get_tmds_link_bandwidth(struct drm_connector *connector) 830 { 831 struct nouveau_connector *nv_connector = nouveau_connector(connector); 832 struct nouveau_drm *drm = nouveau_drm(connector->dev); 833 struct dcb_output *dcb = nv_connector->detected_encoder->dcb; 834 835 if (dcb->location != DCB_LOC_ON_CHIP || 836 drm->device.info.chipset >= 0x46) 837 return 165000; 838 else if (drm->device.info.chipset >= 0x40) 839 return 155000; 840 else if (drm->device.info.chipset >= 0x18) 841 return 135000; 842 else 843 return 112000; 844 } 845 846 static int 847 nouveau_connector_mode_valid(struct drm_connector *connector, 848 struct drm_display_mode *mode) 849 { 850 struct nouveau_connector *nv_connector = nouveau_connector(connector); 851 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder; 852 struct drm_encoder *encoder = to_drm_encoder(nv_encoder); 853 unsigned min_clock = 25000, max_clock = min_clock; 854 unsigned clock = mode->clock; 855 856 switch (nv_encoder->dcb->type) { 857 case DCB_OUTPUT_LVDS: 858 if (nv_connector->native_mode && 859 (mode->hdisplay > nv_connector->native_mode->hdisplay || 860 mode->vdisplay > nv_connector->native_mode->vdisplay)) 861 return MODE_PANEL; 862 863 min_clock = 0; 864 max_clock = 400000; 865 break; 866 case DCB_OUTPUT_TMDS: 867 max_clock = get_tmds_link_bandwidth(connector); 868 if (nouveau_duallink && nv_encoder->dcb->duallink_possible) 869 max_clock *= 2; 870 break; 871 case DCB_OUTPUT_ANALOG: 872 max_clock = nv_encoder->dcb->crtconf.maxfreq; 873 if (!max_clock) 874 max_clock = 350000; 875 break; 876 case DCB_OUTPUT_TV: 877 return get_slave_funcs(encoder)->mode_valid(encoder, mode); 878 case DCB_OUTPUT_DP: 879 max_clock = nv_encoder->dp.link_nr; 880 max_clock *= nv_encoder->dp.link_bw; 881 clock = clock * (connector->display_info.bpc * 3) / 10; 882 break; 883 default: 884 BUG_ON(1); 885 return MODE_BAD; 886 } 887 888 if (clock < min_clock) 889 return MODE_CLOCK_LOW; 890 891 if (clock > max_clock) 892 return MODE_CLOCK_HIGH; 893 894 return MODE_OK; 895 } 896 897 static struct drm_encoder * 898 nouveau_connector_best_encoder(struct drm_connector *connector) 899 { 900 struct nouveau_connector *nv_connector = nouveau_connector(connector); 901 902 if (nv_connector->detected_encoder) 903 return to_drm_encoder(nv_connector->detected_encoder); 904 905 return NULL; 906 } 907 908 static const struct drm_connector_helper_funcs 909 nouveau_connector_helper_funcs = { 910 .get_modes = nouveau_connector_get_modes, 911 .mode_valid = nouveau_connector_mode_valid, 912 .best_encoder = nouveau_connector_best_encoder, 913 }; 914 915 static const struct drm_connector_funcs 916 nouveau_connector_funcs = { 917 .dpms = drm_helper_connector_dpms, 918 .save = NULL, 919 .restore = NULL, 920 .detect = nouveau_connector_detect, 921 .destroy = nouveau_connector_destroy, 922 .fill_modes = drm_helper_probe_single_connector_modes, 923 .set_property = nouveau_connector_set_property, 924 .force = nouveau_connector_force 925 }; 926 927 static const struct drm_connector_funcs 928 nouveau_connector_funcs_lvds = { 929 .dpms = drm_helper_connector_dpms, 930 .save = NULL, 931 .restore = NULL, 932 .detect = nouveau_connector_detect_lvds, 933 .destroy = nouveau_connector_destroy, 934 .fill_modes = drm_helper_probe_single_connector_modes, 935 .set_property = nouveau_connector_set_property, 936 .force = nouveau_connector_force 937 }; 938 939 static int 940 nouveau_connector_dp_dpms(struct drm_connector *connector, int mode) 941 { 942 struct nouveau_encoder *nv_encoder = NULL; 943 944 if (connector->encoder) 945 nv_encoder = nouveau_encoder(connector->encoder); 946 if (nv_encoder && nv_encoder->dcb && 947 nv_encoder->dcb->type == DCB_OUTPUT_DP) { 948 if (mode == DRM_MODE_DPMS_ON) { 949 u8 data = DP_SET_POWER_D0; 950 nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1); 951 usleep_range(1000, 2000); 952 } else { 953 u8 data = DP_SET_POWER_D3; 954 nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1); 955 } 956 } 957 958 return drm_helper_connector_dpms(connector, mode); 959 } 960 961 static const struct drm_connector_funcs 962 nouveau_connector_funcs_dp = { 963 .dpms = nouveau_connector_dp_dpms, 964 .save = NULL, 965 .restore = NULL, 966 .detect = nouveau_connector_detect, 967 .destroy = nouveau_connector_destroy, 968 .fill_modes = drm_helper_probe_single_connector_modes, 969 .set_property = nouveau_connector_set_property, 970 .force = nouveau_connector_force 971 }; 972 973 static int 974 nouveau_connector_hotplug(struct nvif_notify *notify) 975 { 976 struct nouveau_connector *nv_connector = 977 container_of(notify, typeof(*nv_connector), hpd); 978 struct drm_connector *connector = &nv_connector->base; 979 struct nouveau_drm *drm = nouveau_drm(connector->dev); 980 const struct nvif_notify_conn_rep_v0 *rep = notify->data; 981 const char *name = connector->name; 982 983 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) { 984 } else { 985 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG); 986 987 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); 988 989 mutex_lock(&drm->dev->mode_config.mutex); 990 if (plugged) 991 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); 992 else 993 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); 994 mutex_unlock(&drm->dev->mode_config.mutex); 995 996 drm_helper_hpd_irq_event(connector->dev); 997 } 998 999 return NVIF_NOTIFY_KEEP; 1000 } 1001 1002 static ssize_t 1003 nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) 1004 { 1005 struct nouveau_connector *nv_connector = 1006 container_of(obj, typeof(*nv_connector), aux); 1007 struct nouveau_encoder *nv_encoder; 1008 struct nvkm_i2c_aux *aux; 1009 int ret; 1010 1011 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP); 1012 if (!nv_encoder || !(aux = nv_encoder->aux)) 1013 return -ENODEV; 1014 if (WARN_ON(msg->size > 16)) 1015 return -E2BIG; 1016 if (msg->size == 0) 1017 return msg->size; 1018 1019 ret = nvkm_i2c_aux_acquire(aux); 1020 if (ret) 1021 return ret; 1022 1023 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address, 1024 msg->buffer, msg->size); 1025 nvkm_i2c_aux_release(aux); 1026 if (ret >= 0) { 1027 msg->reply = ret; 1028 return msg->size; 1029 } 1030 1031 return ret; 1032 } 1033 1034 static int 1035 drm_conntype_from_dcb(enum dcb_connector_type dcb) 1036 { 1037 switch (dcb) { 1038 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA; 1039 case DCB_CONNECTOR_TV_0 : 1040 case DCB_CONNECTOR_TV_1 : 1041 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV; 1042 case DCB_CONNECTOR_DMS59_0 : 1043 case DCB_CONNECTOR_DMS59_1 : 1044 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII; 1045 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID; 1046 case DCB_CONNECTOR_LVDS : 1047 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS; 1048 case DCB_CONNECTOR_DMS59_DP0: 1049 case DCB_CONNECTOR_DMS59_DP1: 1050 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort; 1051 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP; 1052 case DCB_CONNECTOR_HDMI_0 : 1053 case DCB_CONNECTOR_HDMI_1 : 1054 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA; 1055 default: 1056 break; 1057 } 1058 1059 return DRM_MODE_CONNECTOR_Unknown; 1060 } 1061 1062 struct drm_connector * 1063 nouveau_connector_create(struct drm_device *dev, int index) 1064 { 1065 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs; 1066 struct nouveau_drm *drm = nouveau_drm(dev); 1067 struct nouveau_display *disp = nouveau_display(dev); 1068 struct nouveau_connector *nv_connector = NULL; 1069 struct drm_connector *connector; 1070 int type, ret = 0; 1071 bool dummy; 1072 1073 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 1074 nv_connector = nouveau_connector(connector); 1075 if (nv_connector->index == index) 1076 return connector; 1077 } 1078 1079 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL); 1080 if (!nv_connector) 1081 return ERR_PTR(-ENOMEM); 1082 1083 connector = &nv_connector->base; 1084 nv_connector->index = index; 1085 1086 /* attempt to parse vbios connector type and hotplug gpio */ 1087 nv_connector->dcb = olddcb_conn(dev, index); 1088 if (nv_connector->dcb) { 1089 u32 entry = ROM16(nv_connector->dcb[0]); 1090 if (olddcb_conntab(dev)[3] >= 4) 1091 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16; 1092 1093 nv_connector->type = nv_connector->dcb[0]; 1094 if (drm_conntype_from_dcb(nv_connector->type) == 1095 DRM_MODE_CONNECTOR_Unknown) { 1096 NV_WARN(drm, "unknown connector type %02x\n", 1097 nv_connector->type); 1098 nv_connector->type = DCB_CONNECTOR_NONE; 1099 } 1100 1101 /* Gigabyte NX85T */ 1102 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) { 1103 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1104 nv_connector->type = DCB_CONNECTOR_DVI_I; 1105 } 1106 1107 /* Gigabyte GV-NX86T512H */ 1108 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) { 1109 if (nv_connector->type == DCB_CONNECTOR_HDMI_1) 1110 nv_connector->type = DCB_CONNECTOR_DVI_I; 1111 } 1112 } else { 1113 nv_connector->type = DCB_CONNECTOR_NONE; 1114 } 1115 1116 /* no vbios data, or an unknown dcb connector type - attempt to 1117 * figure out something suitable ourselves 1118 */ 1119 if (nv_connector->type == DCB_CONNECTOR_NONE) { 1120 struct dcb_table *dcbt = &drm->vbios.dcb; 1121 u32 encoders = 0; 1122 int i; 1123 1124 for (i = 0; i < dcbt->entries; i++) { 1125 if (dcbt->entry[i].connector == nv_connector->index) 1126 encoders |= (1 << dcbt->entry[i].type); 1127 } 1128 1129 if (encoders & (1 << DCB_OUTPUT_DP)) { 1130 if (encoders & (1 << DCB_OUTPUT_TMDS)) 1131 nv_connector->type = DCB_CONNECTOR_DP; 1132 else 1133 nv_connector->type = DCB_CONNECTOR_eDP; 1134 } else 1135 if (encoders & (1 << DCB_OUTPUT_TMDS)) { 1136 if (encoders & (1 << DCB_OUTPUT_ANALOG)) 1137 nv_connector->type = DCB_CONNECTOR_DVI_I; 1138 else 1139 nv_connector->type = DCB_CONNECTOR_DVI_D; 1140 } else 1141 if (encoders & (1 << DCB_OUTPUT_ANALOG)) { 1142 nv_connector->type = DCB_CONNECTOR_VGA; 1143 } else 1144 if (encoders & (1 << DCB_OUTPUT_LVDS)) { 1145 nv_connector->type = DCB_CONNECTOR_LVDS; 1146 } else 1147 if (encoders & (1 << DCB_OUTPUT_TV)) { 1148 nv_connector->type = DCB_CONNECTOR_TV_0; 1149 } 1150 } 1151 1152 switch ((type = drm_conntype_from_dcb(nv_connector->type))) { 1153 case DRM_MODE_CONNECTOR_LVDS: 1154 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy); 1155 if (ret) { 1156 NV_ERROR(drm, "Error parsing LVDS table, disabling\n"); 1157 kfree(nv_connector); 1158 return ERR_PTR(ret); 1159 } 1160 1161 funcs = &nouveau_connector_funcs_lvds; 1162 break; 1163 case DRM_MODE_CONNECTOR_DisplayPort: 1164 case DRM_MODE_CONNECTOR_eDP: 1165 nv_connector->aux.dev = dev->dev; 1166 nv_connector->aux.transfer = nouveau_connector_aux_xfer; 1167 ret = drm_dp_aux_register(&nv_connector->aux); 1168 if (ret) { 1169 NV_ERROR(drm, "failed to register aux channel\n"); 1170 kfree(nv_connector); 1171 return ERR_PTR(ret); 1172 } 1173 1174 funcs = &nouveau_connector_funcs_dp; 1175 break; 1176 default: 1177 funcs = &nouveau_connector_funcs; 1178 break; 1179 } 1180 1181 /* defaults, will get overridden in detect() */ 1182 connector->interlace_allowed = false; 1183 connector->doublescan_allowed = false; 1184 1185 drm_connector_init(dev, connector, funcs, type); 1186 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs); 1187 1188 /* Init DVI-I specific properties */ 1189 if (nv_connector->type == DCB_CONNECTOR_DVI_I) 1190 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0); 1191 1192 /* Add overscan compensation options to digital outputs */ 1193 if (disp->underscan_property && 1194 (type == DRM_MODE_CONNECTOR_DVID || 1195 type == DRM_MODE_CONNECTOR_DVII || 1196 type == DRM_MODE_CONNECTOR_HDMIA || 1197 type == DRM_MODE_CONNECTOR_DisplayPort)) { 1198 drm_object_attach_property(&connector->base, 1199 disp->underscan_property, 1200 UNDERSCAN_OFF); 1201 drm_object_attach_property(&connector->base, 1202 disp->underscan_hborder_property, 1203 0); 1204 drm_object_attach_property(&connector->base, 1205 disp->underscan_vborder_property, 1206 0); 1207 } 1208 1209 /* Add hue and saturation options */ 1210 if (disp->vibrant_hue_property) 1211 drm_object_attach_property(&connector->base, 1212 disp->vibrant_hue_property, 1213 90); 1214 if (disp->color_vibrance_property) 1215 drm_object_attach_property(&connector->base, 1216 disp->color_vibrance_property, 1217 150); 1218 1219 /* default scaling mode */ 1220 switch (nv_connector->type) { 1221 case DCB_CONNECTOR_LVDS: 1222 case DCB_CONNECTOR_LVDS_SPWG: 1223 case DCB_CONNECTOR_eDP: 1224 /* see note in nouveau_connector_set_property() */ 1225 if (disp->disp.oclass < NV50_DISP) { 1226 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN; 1227 break; 1228 } 1229 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1230 break; 1231 default: 1232 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE; 1233 break; 1234 } 1235 1236 /* scaling mode property */ 1237 switch (nv_connector->type) { 1238 case DCB_CONNECTOR_TV_0: 1239 case DCB_CONNECTOR_TV_1: 1240 case DCB_CONNECTOR_TV_3: 1241 break; 1242 case DCB_CONNECTOR_VGA: 1243 if (disp->disp.oclass < NV50_DISP) 1244 break; /* can only scale on DFPs */ 1245 /* fall-through */ 1246 default: 1247 drm_object_attach_property(&connector->base, dev->mode_config. 1248 scaling_mode_property, 1249 nv_connector->scaling_mode); 1250 break; 1251 } 1252 1253 /* dithering properties */ 1254 switch (nv_connector->type) { 1255 case DCB_CONNECTOR_TV_0: 1256 case DCB_CONNECTOR_TV_1: 1257 case DCB_CONNECTOR_TV_3: 1258 case DCB_CONNECTOR_VGA: 1259 break; 1260 default: 1261 if (disp->dithering_mode) { 1262 drm_object_attach_property(&connector->base, 1263 disp->dithering_mode, 1264 nv_connector-> 1265 dithering_mode); 1266 nv_connector->dithering_mode = DITHERING_MODE_AUTO; 1267 } 1268 if (disp->dithering_depth) { 1269 drm_object_attach_property(&connector->base, 1270 disp->dithering_depth, 1271 nv_connector-> 1272 dithering_depth); 1273 nv_connector->dithering_depth = DITHERING_DEPTH_AUTO; 1274 } 1275 break; 1276 } 1277 1278 ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true, 1279 NV04_DISP_NTFY_CONN, 1280 &(struct nvif_notify_conn_req_v0) { 1281 .mask = NVIF_NOTIFY_CONN_V0_ANY, 1282 .conn = index, 1283 }, 1284 sizeof(struct nvif_notify_conn_req_v0), 1285 sizeof(struct nvif_notify_conn_rep_v0), 1286 &nv_connector->hpd); 1287 if (ret) 1288 connector->polled = DRM_CONNECTOR_POLL_CONNECT; 1289 else 1290 connector->polled = DRM_CONNECTOR_POLL_HPD; 1291 1292 drm_connector_register(connector); 1293 return connector; 1294 } 1295
Indexes created Sun Oct 19 02:09:48 GMT 2025