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/video.h> 28 29 #include <drm/drm_atomic.h> 30 #include <drm/drm_atomic_helper.h> 31 #include <drm/drm_crtc_helper.h> 32 #include <drm/drm_fb_helper.h> 33 #include <drm/drm_fourcc.h> 34 #include <drm/drm_gem_framebuffer_helper.h> 35 #include <drm/drm_probe_helper.h> 36 #include <drm/drm_vblank.h> 37 38 #include "nouveau_fbcon.h" 39 #include "nouveau_crtc.h" 40 #include "nouveau_gem.h" 41 #include "nouveau_connector.h" 42 #include "nv50_display.h" 43 44 #include <nvif/class.h> 45 #include <nvif/cl0046.h> 46 #include <nvif/event.h> 47 48 static int 49 nouveau_display_vblank_handler(struct nvif_notify *notify) 50 { 51 struct nouveau_crtc *nv_crtc = 52 container_of(notify, typeof(*nv_crtc), vblank); 53 drm_crtc_handle_vblank(&nv_crtc->base); 54 return NVIF_NOTIFY_KEEP; 55 } 56 57 int 58 nouveau_display_vblank_enable(struct drm_crtc *crtc) 59 { 60 struct nouveau_crtc *nv_crtc; 61 62 nv_crtc = nouveau_crtc(crtc); 63 nvif_notify_get(&nv_crtc->vblank); 64 65 return 0; 66 } 67 68 void 69 nouveau_display_vblank_disable(struct drm_crtc *crtc) 70 { 71 struct nouveau_crtc *nv_crtc; 72 73 nv_crtc = nouveau_crtc(crtc); 74 nvif_notify_put(&nv_crtc->vblank); 75 } 76 77 static inline int 78 calc(int blanks, int blanke, int total, int line) 79 { 80 if (blanke >= blanks) { 81 if (line >= blanks) 82 line -= total; 83 } else { 84 if (line >= blanks) 85 line -= total; 86 line -= blanke + 1; 87 } 88 return line; 89 } 90 91 static bool 92 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, 93 ktime_t *stime, ktime_t *etime) 94 { 95 struct { 96 struct nv04_disp_mthd_v0 base; 97 struct nv04_disp_scanoutpos_v0 scan; 98 } args = { 99 .base.method = NV04_DISP_SCANOUTPOS, 100 .base.head = nouveau_crtc(crtc)->index, 101 }; 102 struct nouveau_display *disp = nouveau_display(crtc->dev); 103 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)]; 104 int retry = 20; 105 bool ret = false; 106 107 do { 108 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args)); 109 if (ret != 0) 110 return false; 111 112 if (args.scan.vline) { 113 ret = true; 114 break; 115 } 116 117 if (retry) ndelay(vblank->linedur_ns); 118 } while (retry--); 119 120 *hpos = args.scan.hline; 121 *vpos = calc(args.scan.vblanks, args.scan.vblanke, 122 args.scan.vtotal, args.scan.vline); 123 if (stime) *stime = ns_to_ktime(args.scan.time[0]); 124 if (etime) *etime = ns_to_ktime(args.scan.time[1]); 125 126 return ret; 127 } 128 129 bool 130 nouveau_display_scanoutpos(struct drm_crtc *crtc, 131 bool in_vblank_irq, int *vpos, int *hpos, 132 ktime_t *stime, ktime_t *etime, 133 const struct drm_display_mode *mode) 134 { 135 return nouveau_display_scanoutpos_head(crtc, vpos, hpos, 136 stime, etime); 137 } 138 139 static void 140 nouveau_display_vblank_fini(struct drm_device *dev) 141 { 142 struct drm_crtc *crtc; 143 144 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 145 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 146 nvif_notify_fini(&nv_crtc->vblank); 147 } 148 } 149 150 static int 151 nouveau_display_vblank_init(struct drm_device *dev) 152 { 153 struct nouveau_display *disp = nouveau_display(dev); 154 struct drm_crtc *crtc; 155 int ret; 156 157 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 158 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 159 ret = nvif_notify_init(&disp->disp.object, 160 nouveau_display_vblank_handler, false, 161 NV04_DISP_NTFY_VBLANK, 162 &(struct nvif_notify_head_req_v0) { 163 .head = nv_crtc->index, 164 }, 165 sizeof(struct nvif_notify_head_req_v0), 166 sizeof(struct nvif_notify_head_rep_v0), 167 &nv_crtc->vblank); 168 if (ret) { 169 nouveau_display_vblank_fini(dev); 170 return ret; 171 } 172 } 173 174 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 175 if (ret) { 176 nouveau_display_vblank_fini(dev); 177 return ret; 178 } 179 180 return 0; 181 } 182 183 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 184 .destroy = drm_gem_fb_destroy, 185 .create_handle = drm_gem_fb_create_handle, 186 }; 187 188 static void 189 nouveau_decode_mod(struct nouveau_drm *drm, 190 uint64_t modifier, 191 uint32_t *tile_mode, 192 uint8_t *kind) 193 { 194 BUG_ON(!tile_mode || !kind); 195 196 if (modifier == DRM_FORMAT_MOD_LINEAR) { 197 /* tile_mode will not be used in this case */ 198 *tile_mode = 0; 199 *kind = 0; 200 } else { 201 /* 202 * Extract the block height and kind from the corresponding 203 * modifier fields. See drm_fourcc.h for details. 204 */ 205 *tile_mode = (uint32_t)(modifier & 0xF); 206 *kind = (uint8_t)((modifier >> 12) & 0xFF); 207 208 if (drm->client.device.info.chipset >= 0xc0) 209 *tile_mode <<= 4; 210 } 211 } 212 213 void 214 nouveau_framebuffer_get_layout(struct drm_framebuffer *fb, 215 uint32_t *tile_mode, 216 uint8_t *kind) 217 { 218 if (fb->flags & DRM_MODE_FB_MODIFIERS) { 219 struct nouveau_drm *drm = nouveau_drm(fb->dev); 220 221 nouveau_decode_mod(drm, fb->modifier, tile_mode, kind); 222 } else { 223 const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); 224 225 *tile_mode = nvbo->mode; 226 *kind = nvbo->kind; 227 } 228 } 229 230 static int 231 nouveau_validate_decode_mod(struct nouveau_drm *drm, 232 uint64_t modifier, 233 uint32_t *tile_mode, 234 uint8_t *kind) 235 { 236 struct nouveau_display *disp = nouveau_display(drm->dev); 237 int mod; 238 239 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 240 return -EINVAL; 241 } 242 243 BUG_ON(!disp->format_modifiers); 244 245 for (mod = 0; 246 (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && 247 (disp->format_modifiers[mod] != modifier); 248 mod++); 249 250 if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) 251 return -EINVAL; 252 253 nouveau_decode_mod(drm, modifier, tile_mode, kind); 254 255 return 0; 256 } 257 258 static inline uint32_t 259 nouveau_get_width_in_blocks(uint32_t stride) 260 { 261 /* GOBs per block in the x direction is always one, and GOBs are 262 * 64 bytes wide 263 */ 264 static const uint32_t log_block_width = 6; 265 266 return (stride + (1 << log_block_width) - 1) >> log_block_width; 267 } 268 269 static inline uint32_t 270 nouveau_get_height_in_blocks(struct nouveau_drm *drm, 271 uint32_t height, 272 uint32_t log_block_height_in_gobs) 273 { 274 uint32_t log_gob_height; 275 uint32_t log_block_height; 276 277 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); 278 279 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) 280 log_gob_height = 2; 281 else 282 log_gob_height = 3; 283 284 log_block_height = log_block_height_in_gobs + log_gob_height; 285 286 return (height + (1 << log_block_height) - 1) >> log_block_height; 287 } 288 289 static int 290 nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo, 291 uint32_t offset, uint32_t stride, uint32_t h, 292 uint32_t tile_mode) 293 { 294 uint32_t gob_size, bw, bh; 295 uint64_t bl_size; 296 297 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); 298 299 if (drm->client.device.info.chipset >= 0xc0) { 300 if (tile_mode & 0xF) 301 return -EINVAL; 302 tile_mode >>= 4; 303 } 304 305 if (tile_mode & 0xFFFFFFF0) 306 return -EINVAL; 307 308 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) 309 gob_size = 256; 310 else 311 gob_size = 512; 312 313 bw = nouveau_get_width_in_blocks(stride); 314 bh = nouveau_get_height_in_blocks(drm, h, tile_mode); 315 316 bl_size = bw * bh * (1 << tile_mode) * gob_size; 317 318 DRM_DEBUG_KMS("offset=%u stride=%u h=%u tile_mode=0x%02x bw=%u bh=%u gob_size=%u bl_size=%llu size=%lu\n", 319 offset, stride, h, tile_mode, bw, bh, gob_size, bl_size, 320 nvbo->bo.mem.size); 321 322 if (bl_size + offset > nvbo->bo.mem.size) 323 return -ERANGE; 324 325 return 0; 326 } 327 328 int 329 nouveau_framebuffer_new(struct drm_device *dev, 330 const struct drm_mode_fb_cmd2 *mode_cmd, 331 struct drm_gem_object *gem, 332 struct drm_framebuffer **pfb) 333 { 334 struct nouveau_drm *drm = nouveau_drm(dev); 335 struct nouveau_bo *nvbo = nouveau_gem_object(gem); 336 struct drm_framebuffer *fb; 337 const struct drm_format_info *info; 338 unsigned int width, height, i; 339 uint32_t tile_mode; 340 uint8_t kind; 341 int ret; 342 343 /* YUV overlays have special requirements pre-NV50 */ 344 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA && 345 346 (mode_cmd->pixel_format == DRM_FORMAT_YUYV || 347 mode_cmd->pixel_format == DRM_FORMAT_UYVY || 348 mode_cmd->pixel_format == DRM_FORMAT_NV12 || 349 mode_cmd->pixel_format == DRM_FORMAT_NV21) && 350 (mode_cmd->pitches[0] & 0x3f || /* align 64 */ 351 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */ 352 (mode_cmd->pitches[1] && /* pitches for planes must match */ 353 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) { 354 struct drm_format_name_buf format_name; 355 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n", 356 drm_get_format_name(mode_cmd->pixel_format, 357 &format_name), 358 mode_cmd->pitches[0], 359 mode_cmd->pitches[1]); 360 return -EINVAL; 361 } 362 363 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { 364 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0], 365 &tile_mode, &kind)) { 366 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n", 367 mode_cmd->modifier[0]); 368 return -EINVAL; 369 } 370 } else { 371 tile_mode = nvbo->mode; 372 kind = nvbo->kind; 373 } 374 375 info = drm_get_format_info(dev, mode_cmd); 376 377 for (i = 0; i < info->num_planes; i++) { 378 width = drm_format_info_plane_width(info, 379 mode_cmd->width, 380 i); 381 height = drm_format_info_plane_height(info, 382 mode_cmd->height, 383 i); 384 385 if (kind) { 386 ret = nouveau_check_bl_size(drm, nvbo, 387 mode_cmd->offsets[i], 388 mode_cmd->pitches[i], 389 height, tile_mode); 390 if (ret) 391 return ret; 392 } else { 393 uint32_t size = mode_cmd->pitches[i] * height; 394 395 if (size + mode_cmd->offsets[i] > nvbo->bo.mem.size) 396 return -ERANGE; 397 } 398 } 399 400 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) 401 return -ENOMEM; 402 403 drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); 404 fb->obj[0] = gem; 405 406 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); 407 if (ret) 408 kfree(fb); 409 return ret; 410 } 411 412 struct drm_framebuffer * 413 nouveau_user_framebuffer_create(struct drm_device *dev, 414 struct drm_file *file_priv, 415 const struct drm_mode_fb_cmd2 *mode_cmd) 416 { 417 struct drm_framebuffer *fb; 418 struct drm_gem_object *gem; 419 int ret; 420 421 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 422 if (!gem) 423 return ERR_PTR(-ENOENT); 424 425 ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb); 426 if (ret == 0) 427 return fb; 428 429 drm_gem_object_put_unlocked(gem); 430 return ERR_PTR(ret); 431 } 432 433 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 434 .fb_create = nouveau_user_framebuffer_create, 435 .output_poll_changed = nouveau_fbcon_output_poll_changed, 436 }; 437 438 439 struct nouveau_drm_prop_enum_list { 440 u8 gen_mask; 441 int type; 442 char *name; 443 }; 444 445 static struct nouveau_drm_prop_enum_list underscan[] = { 446 { 6, UNDERSCAN_AUTO, "auto" }, 447 { 6, UNDERSCAN_OFF, "off" }, 448 { 6, UNDERSCAN_ON, "on" }, 449 {} 450 }; 451 452 static struct nouveau_drm_prop_enum_list dither_mode[] = { 453 { 7, DITHERING_MODE_AUTO, "auto" }, 454 { 7, DITHERING_MODE_OFF, "off" }, 455 { 1, DITHERING_MODE_ON, "on" }, 456 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 457 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 458 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 459 {} 460 }; 461 462 static struct nouveau_drm_prop_enum_list dither_depth[] = { 463 { 6, DITHERING_DEPTH_AUTO, "auto" }, 464 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 465 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 466 {} 467 }; 468 469 #define PROP_ENUM(p,gen,n,list) do { \ 470 struct nouveau_drm_prop_enum_list *l = (list); \ 471 int c = 0; \ 472 while (l->gen_mask) { \ 473 if (l->gen_mask & (1 << (gen))) \ 474 c++; \ 475 l++; \ 476 } \ 477 if (c) { \ 478 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 479 l = (list); \ 480 while (p && l->gen_mask) { \ 481 if (l->gen_mask & (1 << (gen))) { \ 482 drm_property_add_enum(p, l->type, l->name); \ 483 } \ 484 l++; \ 485 } \ 486 } \ 487 } while(0) 488 489 static void 490 nouveau_display_hpd_work(struct work_struct *work) 491 { 492 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); 493 494 pm_runtime_get_sync(drm->dev->dev); 495 496 drm_helper_hpd_irq_event(drm->dev); 497 498 pm_runtime_mark_last_busy(drm->dev->dev); 499 pm_runtime_put_sync(drm->dev->dev); 500 } 501 502 #ifdef CONFIG_ACPI 503 504 static int 505 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, 506 void *data) 507 { 508 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb); 509 struct acpi_bus_event *info = data; 510 int ret; 511 512 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) { 513 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) { 514 ret = pm_runtime_get(drm->dev->dev); 515 if (ret == 1 || ret == -EACCES) { 516 /* If the GPU is already awake, or in a state 517 * where we can't wake it up, it can handle 518 * it's own hotplug events. 519 */ 520 pm_runtime_put_autosuspend(drm->dev->dev); 521 } else if (ret == 0) { 522 /* This may be the only indication we receive 523 * of a connector hotplug on a runtime 524 * suspended GPU, schedule hpd_work to check. 525 */ 526 NV_DEBUG(drm, "ACPI requested connector reprobe\n"); 527 schedule_work(&drm->hpd_work); 528 pm_runtime_put_noidle(drm->dev->dev); 529 } else { 530 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n", 531 ret); 532 } 533 534 /* acpi-video should not generate keypresses for this */ 535 return NOTIFY_BAD; 536 } 537 } 538 539 return NOTIFY_DONE; 540 } 541 #endif 542 543 int 544 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime) 545 { 546 struct nouveau_display *disp = nouveau_display(dev); 547 struct drm_connector *connector; 548 struct drm_connector_list_iter conn_iter; 549 int ret; 550 551 /* 552 * Enable hotplug interrupts (done as early as possible, since we need 553 * them for MST) 554 */ 555 drm_connector_list_iter_begin(dev, &conn_iter); 556 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 557 struct nouveau_connector *conn = nouveau_connector(connector); 558 nvif_notify_get(&conn->hpd); 559 } 560 drm_connector_list_iter_end(&conn_iter); 561 562 ret = disp->init(dev, resume, runtime); 563 if (ret) 564 return ret; 565 566 /* enable connector detection and polling for connectors without HPD 567 * support 568 */ 569 drm_kms_helper_poll_enable(dev); 570 571 return ret; 572 } 573 574 void 575 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime) 576 { 577 struct nouveau_display *disp = nouveau_display(dev); 578 struct nouveau_drm *drm = nouveau_drm(dev); 579 struct drm_connector *connector; 580 struct drm_connector_list_iter conn_iter; 581 582 if (!suspend) { 583 if (drm_drv_uses_atomic_modeset(dev)) 584 drm_atomic_helper_shutdown(dev); 585 else 586 drm_helper_force_disable_all(dev); 587 } 588 589 /* disable hotplug interrupts */ 590 drm_connector_list_iter_begin(dev, &conn_iter); 591 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 592 struct nouveau_connector *conn = nouveau_connector(connector); 593 nvif_notify_put(&conn->hpd); 594 } 595 drm_connector_list_iter_end(&conn_iter); 596 597 if (!runtime) 598 cancel_work_sync(&drm->hpd_work); 599 600 drm_kms_helper_poll_disable(dev); 601 disp->fini(dev, suspend); 602 } 603 604 static void 605 nouveau_display_create_properties(struct drm_device *dev) 606 { 607 struct nouveau_display *disp = nouveau_display(dev); 608 int gen; 609 610 if (disp->disp.object.oclass < NV50_DISP) 611 gen = 0; 612 else 613 if (disp->disp.object.oclass < GF110_DISP) 614 gen = 1; 615 else 616 gen = 2; 617 618 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 619 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 620 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 621 622 disp->underscan_hborder_property = 623 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 624 625 disp->underscan_vborder_property = 626 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 627 628 if (gen < 1) 629 return; 630 631 /* -90..+90 */ 632 disp->vibrant_hue_property = 633 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 634 635 /* -100..+100 */ 636 disp->color_vibrance_property = 637 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 638 } 639 640 int 641 nouveau_display_create(struct drm_device *dev) 642 { 643 struct nouveau_drm *drm = nouveau_drm(dev); 644 struct nvkm_device *device = nvxx_device(&drm->client.device); 645 struct nouveau_display *disp; 646 int ret; 647 648 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 649 if (!disp) 650 return -ENOMEM; 651 652 drm_mode_config_init(dev); 653 drm_mode_create_scaling_mode_property(dev); 654 drm_mode_create_dvi_i_properties(dev); 655 656 dev->mode_config.funcs = &nouveau_mode_config_funcs; 657 dev->mode_config.fb_base = device->func->resource_addr(device, 1); 658 659 dev->mode_config.min_width = 0; 660 dev->mode_config.min_height = 0; 661 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 662 dev->mode_config.max_width = 2048; 663 dev->mode_config.max_height = 2048; 664 } else 665 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 666 dev->mode_config.max_width = 4096; 667 dev->mode_config.max_height = 4096; 668 } else 669 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 670 dev->mode_config.max_width = 8192; 671 dev->mode_config.max_height = 8192; 672 } else { 673 dev->mode_config.max_width = 16384; 674 dev->mode_config.max_height = 16384; 675 } 676 677 dev->mode_config.preferred_depth = 24; 678 dev->mode_config.prefer_shadow = 1; 679 dev->mode_config.allow_fb_modifiers = true; 680 681 if (drm->client.device.info.chipset < 0x11) 682 dev->mode_config.async_page_flip = false; 683 else 684 dev->mode_config.async_page_flip = true; 685 686 drm_kms_helper_poll_init(dev); 687 drm_kms_helper_poll_disable(dev); 688 689 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 690 ret = nvif_disp_ctor(&drm->client.device, 0, &disp->disp); 691 if (ret == 0) { 692 nouveau_display_create_properties(dev); 693 if (disp->disp.object.oclass < NV50_DISP) 694 ret = nv04_display_create(dev); 695 else 696 ret = nv50_display_create(dev); 697 } 698 } else { 699 ret = 0; 700 } 701 702 if (ret) 703 goto disp_create_err; 704 705 drm_mode_config_reset(dev); 706 707 if (dev->mode_config.num_crtc) { 708 ret = nouveau_display_vblank_init(dev); 709 if (ret) 710 goto vblank_err; 711 } 712 713 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 714 #ifdef CONFIG_ACPI 715 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 716 register_acpi_notifier(&drm->acpi_nb); 717 #endif 718 719 return 0; 720 721 vblank_err: 722 disp->dtor(dev); 723 disp_create_err: 724 drm_kms_helper_poll_fini(dev); 725 drm_mode_config_cleanup(dev); 726 return ret; 727 } 728 729 void 730 nouveau_display_destroy(struct drm_device *dev) 731 { 732 struct nouveau_display *disp = nouveau_display(dev); 733 734 #ifdef CONFIG_ACPI 735 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb); 736 #endif 737 nouveau_display_vblank_fini(dev); 738 739 drm_kms_helper_poll_fini(dev); 740 drm_mode_config_cleanup(dev); 741 742 if (disp->dtor) 743 disp->dtor(dev); 744 745 nvif_disp_dtor(&disp->disp); 746 747 nouveau_drm(dev)->display = NULL; 748 kfree(disp); 749 } 750 751 int 752 nouveau_display_suspend(struct drm_device *dev, bool runtime) 753 { 754 struct nouveau_display *disp = nouveau_display(dev); 755 756 if (drm_drv_uses_atomic_modeset(dev)) { 757 if (!runtime) { 758 disp->suspend = drm_atomic_helper_suspend(dev); 759 if (IS_ERR(disp->suspend)) { 760 int ret = PTR_ERR(disp->suspend); 761 disp->suspend = NULL; 762 return ret; 763 } 764 } 765 } 766 767 nouveau_display_fini(dev, true, runtime); 768 return 0; 769 } 770 771 void 772 nouveau_display_resume(struct drm_device *dev, bool runtime) 773 { 774 struct nouveau_display *disp = nouveau_display(dev); 775 776 nouveau_display_init(dev, true, runtime); 777 778 if (drm_drv_uses_atomic_modeset(dev)) { 779 if (disp->suspend) { 780 drm_atomic_helper_resume(dev, disp->suspend); 781 disp->suspend = NULL; 782 } 783 return; 784 } 785 } 786 787 int 788 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 789 struct drm_mode_create_dumb *args) 790 { 791 struct nouveau_cli *cli = nouveau_cli(file_priv); 792 struct nouveau_bo *bo; 793 uint32_t domain; 794 int ret; 795 796 args->pitch = roundup(args->width * (args->bpp / 8), 256); 797 args->size = args->pitch * args->height; 798 args->size = roundup(args->size, PAGE_SIZE); 799 800 /* Use VRAM if there is any ; otherwise fallback to system memory */ 801 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 802 domain = NOUVEAU_GEM_DOMAIN_VRAM; 803 else 804 domain = NOUVEAU_GEM_DOMAIN_GART; 805 806 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 807 if (ret) 808 return ret; 809 810 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle); 811 drm_gem_object_put_unlocked(&bo->bo.base); 812 return ret; 813 } 814 815 int 816 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 817 struct drm_device *dev, 818 uint32_t handle, uint64_t *poffset) 819 { 820 struct drm_gem_object *gem; 821 822 gem = drm_gem_object_lookup(file_priv, handle); 823 if (gem) { 824 struct nouveau_bo *bo = nouveau_gem_object(gem); 825 *poffset = drm_vma_node_offset_addr(&bo->bo.base.vma_node); 826 drm_gem_object_put_unlocked(gem); 827 return 0; 828 } 829 830 return -ENOENT; 831 } 832