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 #include <dispnv50/crc.h> 48 49 int 50 nouveau_display_vblank_enable(struct drm_crtc *crtc) 51 { 52 struct nouveau_crtc *nv_crtc; 53 54 nv_crtc = nouveau_crtc(crtc); 55 nvif_notify_get(&nv_crtc->vblank); 56 57 return 0; 58 } 59 60 void 61 nouveau_display_vblank_disable(struct drm_crtc *crtc) 62 { 63 struct nouveau_crtc *nv_crtc; 64 65 nv_crtc = nouveau_crtc(crtc); 66 nvif_notify_put(&nv_crtc->vblank); 67 } 68 69 static inline int 70 calc(int blanks, int blanke, int total, int line) 71 { 72 if (blanke >= blanks) { 73 if (line >= blanks) 74 line -= total; 75 } else { 76 if (line >= blanks) 77 line -= total; 78 line -= blanke + 1; 79 } 80 return line; 81 } 82 83 static bool 84 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, 85 ktime_t *stime, ktime_t *etime) 86 { 87 struct { 88 struct nv04_disp_mthd_v0 base; 89 struct nv04_disp_scanoutpos_v0 scan; 90 } args = { 91 .base.method = NV04_DISP_SCANOUTPOS, 92 .base.head = nouveau_crtc(crtc)->index, 93 }; 94 struct nouveau_display *disp = nouveau_display(crtc->dev); 95 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)]; 96 int retry = 20; 97 bool ret = false; 98 99 do { 100 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args)); 101 if (ret != 0) 102 return false; 103 104 if (args.scan.vline) { 105 ret = true; 106 break; 107 } 108 109 if (retry) ndelay(vblank->linedur_ns); 110 } while (retry--); 111 112 *hpos = args.scan.hline; 113 *vpos = calc(args.scan.vblanks, args.scan.vblanke, 114 args.scan.vtotal, args.scan.vline); 115 if (stime) *stime = ns_to_ktime(args.scan.time[0]); 116 if (etime) *etime = ns_to_ktime(args.scan.time[1]); 117 118 return ret; 119 } 120 121 bool 122 nouveau_display_scanoutpos(struct drm_crtc *crtc, 123 bool in_vblank_irq, int *vpos, int *hpos, 124 ktime_t *stime, ktime_t *etime, 125 const struct drm_display_mode *mode) 126 { 127 return nouveau_display_scanoutpos_head(crtc, vpos, hpos, 128 stime, etime); 129 } 130 131 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 132 .destroy = drm_gem_fb_destroy, 133 .create_handle = drm_gem_fb_create_handle, 134 }; 135 136 static void 137 nouveau_decode_mod(struct nouveau_drm *drm, 138 uint64_t modifier, 139 uint32_t *tile_mode, 140 uint8_t *kind) 141 { 142 BUG_ON(!tile_mode || !kind); 143 144 if (modifier == DRM_FORMAT_MOD_LINEAR) { 145 /* tile_mode will not be used in this case */ 146 *tile_mode = 0; 147 *kind = 0; 148 } else { 149 /* 150 * Extract the block height and kind from the corresponding 151 * modifier fields. See drm_fourcc.h for details. 152 */ 153 *tile_mode = (uint32_t)(modifier & 0xF); 154 *kind = (uint8_t)((modifier >> 12) & 0xFF); 155 156 if (drm->client.device.info.chipset >= 0xc0) 157 *tile_mode <<= 4; 158 } 159 } 160 161 void 162 nouveau_framebuffer_get_layout(struct drm_framebuffer *fb, 163 uint32_t *tile_mode, 164 uint8_t *kind) 165 { 166 if (fb->flags & DRM_MODE_FB_MODIFIERS) { 167 struct nouveau_drm *drm = nouveau_drm(fb->dev); 168 169 nouveau_decode_mod(drm, fb->modifier, tile_mode, kind); 170 } else { 171 const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); 172 173 *tile_mode = nvbo->mode; 174 *kind = nvbo->kind; 175 } 176 } 177 178 static int 179 nouveau_validate_decode_mod(struct nouveau_drm *drm, 180 uint64_t modifier, 181 uint32_t *tile_mode, 182 uint8_t *kind) 183 { 184 struct nouveau_display *disp = nouveau_display(drm->dev); 185 int mod; 186 187 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 188 return -EINVAL; 189 } 190 191 BUG_ON(!disp->format_modifiers); 192 193 for (mod = 0; 194 (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && 195 (disp->format_modifiers[mod] != modifier); 196 mod++); 197 198 if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) 199 return -EINVAL; 200 201 nouveau_decode_mod(drm, modifier, tile_mode, kind); 202 203 return 0; 204 } 205 206 static inline uint32_t 207 nouveau_get_width_in_blocks(uint32_t stride) 208 { 209 /* GOBs per block in the x direction is always one, and GOBs are 210 * 64 bytes wide 211 */ 212 static const uint32_t log_block_width = 6; 213 214 return (stride + (1 << log_block_width) - 1) >> log_block_width; 215 } 216 217 static inline uint32_t 218 nouveau_get_height_in_blocks(struct nouveau_drm *drm, 219 uint32_t height, 220 uint32_t log_block_height_in_gobs) 221 { 222 uint32_t log_gob_height; 223 uint32_t log_block_height; 224 225 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); 226 227 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) 228 log_gob_height = 2; 229 else 230 log_gob_height = 3; 231 232 log_block_height = log_block_height_in_gobs + log_gob_height; 233 234 return (height + (1 << log_block_height) - 1) >> log_block_height; 235 } 236 237 static int 238 nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo, 239 uint32_t offset, uint32_t stride, uint32_t h, 240 uint32_t tile_mode) 241 { 242 uint32_t gob_size, bw, bh; 243 uint64_t bl_size; 244 245 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); 246 247 if (drm->client.device.info.chipset >= 0xc0) { 248 if (tile_mode & 0xF) 249 return -EINVAL; 250 tile_mode >>= 4; 251 } 252 253 if (tile_mode & 0xFFFFFFF0) 254 return -EINVAL; 255 256 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) 257 gob_size = 256; 258 else 259 gob_size = 512; 260 261 bw = nouveau_get_width_in_blocks(stride); 262 bh = nouveau_get_height_in_blocks(drm, h, tile_mode); 263 264 bl_size = bw * bh * (1 << tile_mode) * gob_size; 265 266 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", 267 offset, stride, h, tile_mode, bw, bh, gob_size, bl_size, 268 nvbo->bo.mem.size); 269 270 if (bl_size + offset > nvbo->bo.mem.size) 271 return -ERANGE; 272 273 return 0; 274 } 275 276 int 277 nouveau_framebuffer_new(struct drm_device *dev, 278 const struct drm_mode_fb_cmd2 *mode_cmd, 279 struct drm_gem_object *gem, 280 struct drm_framebuffer **pfb) 281 { 282 struct nouveau_drm *drm = nouveau_drm(dev); 283 struct nouveau_bo *nvbo = nouveau_gem_object(gem); 284 struct drm_framebuffer *fb; 285 const struct drm_format_info *info; 286 unsigned int width, height, i; 287 uint32_t tile_mode; 288 uint8_t kind; 289 int ret; 290 291 /* YUV overlays have special requirements pre-NV50 */ 292 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA && 293 294 (mode_cmd->pixel_format == DRM_FORMAT_YUYV || 295 mode_cmd->pixel_format == DRM_FORMAT_UYVY || 296 mode_cmd->pixel_format == DRM_FORMAT_NV12 || 297 mode_cmd->pixel_format == DRM_FORMAT_NV21) && 298 (mode_cmd->pitches[0] & 0x3f || /* align 64 */ 299 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */ 300 (mode_cmd->pitches[1] && /* pitches for planes must match */ 301 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) { 302 struct drm_format_name_buf format_name; 303 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n", 304 drm_get_format_name(mode_cmd->pixel_format, 305 &format_name), 306 mode_cmd->pitches[0], 307 mode_cmd->pitches[1]); 308 return -EINVAL; 309 } 310 311 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { 312 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0], 313 &tile_mode, &kind)) { 314 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n", 315 mode_cmd->modifier[0]); 316 return -EINVAL; 317 } 318 } else { 319 tile_mode = nvbo->mode; 320 kind = nvbo->kind; 321 } 322 323 info = drm_get_format_info(dev, mode_cmd); 324 325 for (i = 0; i < info->num_planes; i++) { 326 width = drm_format_info_plane_width(info, 327 mode_cmd->width, 328 i); 329 height = drm_format_info_plane_height(info, 330 mode_cmd->height, 331 i); 332 333 if (kind) { 334 ret = nouveau_check_bl_size(drm, nvbo, 335 mode_cmd->offsets[i], 336 mode_cmd->pitches[i], 337 height, tile_mode); 338 if (ret) 339 return ret; 340 } else { 341 uint32_t size = mode_cmd->pitches[i] * height; 342 343 if (size + mode_cmd->offsets[i] > nvbo->bo.mem.size) 344 return -ERANGE; 345 } 346 } 347 348 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) 349 return -ENOMEM; 350 351 drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); 352 fb->obj[0] = gem; 353 354 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); 355 if (ret) 356 kfree(fb); 357 return ret; 358 } 359 360 struct drm_framebuffer * 361 nouveau_user_framebuffer_create(struct drm_device *dev, 362 struct drm_file *file_priv, 363 const struct drm_mode_fb_cmd2 *mode_cmd) 364 { 365 struct drm_framebuffer *fb; 366 struct drm_gem_object *gem; 367 int ret; 368 369 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 370 if (!gem) 371 return ERR_PTR(-ENOENT); 372 373 ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb); 374 if (ret == 0) 375 return fb; 376 377 drm_gem_object_put(gem); 378 return ERR_PTR(ret); 379 } 380 381 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 382 .fb_create = nouveau_user_framebuffer_create, 383 .output_poll_changed = nouveau_fbcon_output_poll_changed, 384 }; 385 386 387 struct nouveau_drm_prop_enum_list { 388 u8 gen_mask; 389 int type; 390 char *name; 391 }; 392 393 static struct nouveau_drm_prop_enum_list underscan[] = { 394 { 6, UNDERSCAN_AUTO, "auto" }, 395 { 6, UNDERSCAN_OFF, "off" }, 396 { 6, UNDERSCAN_ON, "on" }, 397 {} 398 }; 399 400 static struct nouveau_drm_prop_enum_list dither_mode[] = { 401 { 7, DITHERING_MODE_AUTO, "auto" }, 402 { 7, DITHERING_MODE_OFF, "off" }, 403 { 1, DITHERING_MODE_ON, "on" }, 404 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 405 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 406 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 407 {} 408 }; 409 410 static struct nouveau_drm_prop_enum_list dither_depth[] = { 411 { 6, DITHERING_DEPTH_AUTO, "auto" }, 412 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 413 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 414 {} 415 }; 416 417 #define PROP_ENUM(p,gen,n,list) do { \ 418 struct nouveau_drm_prop_enum_list *l = (list); \ 419 int c = 0; \ 420 while (l->gen_mask) { \ 421 if (l->gen_mask & (1 << (gen))) \ 422 c++; \ 423 l++; \ 424 } \ 425 if (c) { \ 426 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 427 l = (list); \ 428 while (p && l->gen_mask) { \ 429 if (l->gen_mask & (1 << (gen))) { \ 430 drm_property_add_enum(p, l->type, l->name); \ 431 } \ 432 l++; \ 433 } \ 434 } \ 435 } while(0) 436 437 static void 438 nouveau_display_hpd_work(struct work_struct *work) 439 { 440 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); 441 442 pm_runtime_get_sync(drm->dev->dev); 443 444 drm_helper_hpd_irq_event(drm->dev); 445 446 pm_runtime_mark_last_busy(drm->dev->dev); 447 pm_runtime_put_sync(drm->dev->dev); 448 } 449 450 #ifdef CONFIG_ACPI 451 452 static int 453 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, 454 void *data) 455 { 456 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb); 457 struct acpi_bus_event *info = data; 458 int ret; 459 460 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) { 461 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) { 462 ret = pm_runtime_get(drm->dev->dev); 463 if (ret == 1 || ret == -EACCES) { 464 /* If the GPU is already awake, or in a state 465 * where we can't wake it up, it can handle 466 * it's own hotplug events. 467 */ 468 pm_runtime_put_autosuspend(drm->dev->dev); 469 } else if (ret == 0) { 470 /* This may be the only indication we receive 471 * of a connector hotplug on a runtime 472 * suspended GPU, schedule hpd_work to check. 473 */ 474 NV_DEBUG(drm, "ACPI requested connector reprobe\n"); 475 schedule_work(&drm->hpd_work); 476 pm_runtime_put_noidle(drm->dev->dev); 477 } else { 478 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n", 479 ret); 480 } 481 482 /* acpi-video should not generate keypresses for this */ 483 return NOTIFY_BAD; 484 } 485 } 486 487 return NOTIFY_DONE; 488 } 489 #endif 490 491 int 492 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime) 493 { 494 struct nouveau_display *disp = nouveau_display(dev); 495 struct drm_connector *connector; 496 struct drm_connector_list_iter conn_iter; 497 int ret; 498 499 /* 500 * Enable hotplug interrupts (done as early as possible, since we need 501 * them for MST) 502 */ 503 drm_connector_list_iter_begin(dev, &conn_iter); 504 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 505 struct nouveau_connector *conn = nouveau_connector(connector); 506 nvif_notify_get(&conn->hpd); 507 } 508 drm_connector_list_iter_end(&conn_iter); 509 510 ret = disp->init(dev, resume, runtime); 511 if (ret) 512 return ret; 513 514 /* enable connector detection and polling for connectors without HPD 515 * support 516 */ 517 drm_kms_helper_poll_enable(dev); 518 519 return ret; 520 } 521 522 void 523 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime) 524 { 525 struct nouveau_display *disp = nouveau_display(dev); 526 struct nouveau_drm *drm = nouveau_drm(dev); 527 struct drm_connector *connector; 528 struct drm_connector_list_iter conn_iter; 529 530 if (!suspend) { 531 if (drm_drv_uses_atomic_modeset(dev)) 532 drm_atomic_helper_shutdown(dev); 533 else 534 drm_helper_force_disable_all(dev); 535 } 536 537 /* disable hotplug interrupts */ 538 drm_connector_list_iter_begin(dev, &conn_iter); 539 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 540 struct nouveau_connector *conn = nouveau_connector(connector); 541 nvif_notify_put(&conn->hpd); 542 } 543 drm_connector_list_iter_end(&conn_iter); 544 545 if (!runtime) 546 cancel_work_sync(&drm->hpd_work); 547 548 drm_kms_helper_poll_disable(dev); 549 disp->fini(dev, suspend); 550 } 551 552 static void 553 nouveau_display_create_properties(struct drm_device *dev) 554 { 555 struct nouveau_display *disp = nouveau_display(dev); 556 int gen; 557 558 if (disp->disp.object.oclass < NV50_DISP) 559 gen = 0; 560 else 561 if (disp->disp.object.oclass < GF110_DISP) 562 gen = 1; 563 else 564 gen = 2; 565 566 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 567 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 568 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 569 570 disp->underscan_hborder_property = 571 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 572 573 disp->underscan_vborder_property = 574 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 575 576 if (gen < 1) 577 return; 578 579 /* -90..+90 */ 580 disp->vibrant_hue_property = 581 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 582 583 /* -100..+100 */ 584 disp->color_vibrance_property = 585 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 586 } 587 588 int 589 nouveau_display_create(struct drm_device *dev) 590 { 591 struct nouveau_drm *drm = nouveau_drm(dev); 592 struct nvkm_device *device = nvxx_device(&drm->client.device); 593 struct nouveau_display *disp; 594 int ret; 595 596 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 597 if (!disp) 598 return -ENOMEM; 599 600 drm_mode_config_init(dev); 601 drm_mode_create_scaling_mode_property(dev); 602 drm_mode_create_dvi_i_properties(dev); 603 604 dev->mode_config.funcs = &nouveau_mode_config_funcs; 605 dev->mode_config.fb_base = device->func->resource_addr(device, 1); 606 607 dev->mode_config.min_width = 0; 608 dev->mode_config.min_height = 0; 609 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 610 dev->mode_config.max_width = 2048; 611 dev->mode_config.max_height = 2048; 612 } else 613 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 614 dev->mode_config.max_width = 4096; 615 dev->mode_config.max_height = 4096; 616 } else 617 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 618 dev->mode_config.max_width = 8192; 619 dev->mode_config.max_height = 8192; 620 } else { 621 dev->mode_config.max_width = 16384; 622 dev->mode_config.max_height = 16384; 623 } 624 625 dev->mode_config.preferred_depth = 24; 626 dev->mode_config.prefer_shadow = 1; 627 dev->mode_config.allow_fb_modifiers = true; 628 629 if (drm->client.device.info.chipset < 0x11) 630 dev->mode_config.async_page_flip = false; 631 else 632 dev->mode_config.async_page_flip = true; 633 634 drm_kms_helper_poll_init(dev); 635 drm_kms_helper_poll_disable(dev); 636 637 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 638 ret = nvif_disp_ctor(&drm->client.device, 0, &disp->disp); 639 if (ret == 0) { 640 nouveau_display_create_properties(dev); 641 if (disp->disp.object.oclass < NV50_DISP) 642 ret = nv04_display_create(dev); 643 else 644 ret = nv50_display_create(dev); 645 } 646 } else { 647 ret = 0; 648 } 649 650 if (ret) 651 goto disp_create_err; 652 653 drm_mode_config_reset(dev); 654 655 if (dev->mode_config.num_crtc) { 656 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 657 if (ret) 658 goto vblank_err; 659 660 if (disp->disp.object.oclass >= NV50_DISP) 661 nv50_crc_init(dev); 662 } 663 664 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 665 #ifdef CONFIG_ACPI 666 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 667 register_acpi_notifier(&drm->acpi_nb); 668 #endif 669 670 return 0; 671 672 vblank_err: 673 disp->dtor(dev); 674 disp_create_err: 675 drm_kms_helper_poll_fini(dev); 676 drm_mode_config_cleanup(dev); 677 return ret; 678 } 679 680 void 681 nouveau_display_destroy(struct drm_device *dev) 682 { 683 struct nouveau_display *disp = nouveau_display(dev); 684 685 #ifdef CONFIG_ACPI 686 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb); 687 #endif 688 689 drm_kms_helper_poll_fini(dev); 690 drm_mode_config_cleanup(dev); 691 692 if (disp->dtor) 693 disp->dtor(dev); 694 695 nvif_disp_dtor(&disp->disp); 696 697 nouveau_drm(dev)->display = NULL; 698 kfree(disp); 699 } 700 701 int 702 nouveau_display_suspend(struct drm_device *dev, bool runtime) 703 { 704 struct nouveau_display *disp = nouveau_display(dev); 705 706 if (drm_drv_uses_atomic_modeset(dev)) { 707 if (!runtime) { 708 disp->suspend = drm_atomic_helper_suspend(dev); 709 if (IS_ERR(disp->suspend)) { 710 int ret = PTR_ERR(disp->suspend); 711 disp->suspend = NULL; 712 return ret; 713 } 714 } 715 } 716 717 nouveau_display_fini(dev, true, runtime); 718 return 0; 719 } 720 721 void 722 nouveau_display_resume(struct drm_device *dev, bool runtime) 723 { 724 struct nouveau_display *disp = nouveau_display(dev); 725 726 nouveau_display_init(dev, true, runtime); 727 728 if (drm_drv_uses_atomic_modeset(dev)) { 729 if (disp->suspend) { 730 drm_atomic_helper_resume(dev, disp->suspend); 731 disp->suspend = NULL; 732 } 733 return; 734 } 735 } 736 737 int 738 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 739 struct drm_mode_create_dumb *args) 740 { 741 struct nouveau_cli *cli = nouveau_cli(file_priv); 742 struct nouveau_bo *bo; 743 uint32_t domain; 744 int ret; 745 746 args->pitch = roundup(args->width * (args->bpp / 8), 256); 747 args->size = args->pitch * args->height; 748 args->size = roundup(args->size, PAGE_SIZE); 749 750 /* Use VRAM if there is any ; otherwise fallback to system memory */ 751 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 752 domain = NOUVEAU_GEM_DOMAIN_VRAM; 753 else 754 domain = NOUVEAU_GEM_DOMAIN_GART; 755 756 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 757 if (ret) 758 return ret; 759 760 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle); 761 drm_gem_object_put(&bo->bo.base); 762 return ret; 763 } 764 765 int 766 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 767 struct drm_device *dev, 768 uint32_t handle, uint64_t *poffset) 769 { 770 struct drm_gem_object *gem; 771 772 gem = drm_gem_object_lookup(file_priv, handle); 773 if (gem) { 774 struct nouveau_bo *bo = nouveau_gem_object(gem); 775 *poffset = drm_vma_node_offset_addr(&bo->bo.base.vma_node); 776 drm_gem_object_put(gem); 777 return 0; 778 } 779 780 return -ENOENT; 781 } 782