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 struct nouveau_display *disp = nouveau_display(drm->dev); 143 BUG_ON(!tile_mode || !kind); 144 145 if (modifier == DRM_FORMAT_MOD_LINEAR) { 146 /* tile_mode will not be used in this case */ 147 *tile_mode = 0; 148 *kind = 0; 149 } else { 150 /* 151 * Extract the block height and kind from the corresponding 152 * modifier fields. See drm_fourcc.h for details. 153 */ 154 155 if ((modifier & (0xffull << 12)) == 0ull) { 156 /* Legacy modifier. Translate to this dev's 'kind.' */ 157 modifier |= disp->format_modifiers[0] & (0xffull << 12); 158 } 159 160 *tile_mode = (uint32_t)(modifier & 0xF); 161 *kind = (uint8_t)((modifier >> 12) & 0xFF); 162 163 if (drm->client.device.info.chipset >= 0xc0) 164 *tile_mode <<= 4; 165 } 166 } 167 168 void 169 nouveau_framebuffer_get_layout(struct drm_framebuffer *fb, 170 uint32_t *tile_mode, 171 uint8_t *kind) 172 { 173 if (fb->flags & DRM_MODE_FB_MODIFIERS) { 174 struct nouveau_drm *drm = nouveau_drm(fb->dev); 175 176 nouveau_decode_mod(drm, fb->modifier, tile_mode, kind); 177 } else { 178 const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); 179 180 *tile_mode = nvbo->mode; 181 *kind = nvbo->kind; 182 } 183 } 184 185 static const u64 legacy_modifiers[] = { 186 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0), 187 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1), 188 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2), 189 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3), 190 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4), 191 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5), 192 DRM_FORMAT_MOD_INVALID 193 }; 194 195 static int 196 nouveau_validate_decode_mod(struct nouveau_drm *drm, 197 uint64_t modifier, 198 uint32_t *tile_mode, 199 uint8_t *kind) 200 { 201 struct nouveau_display *disp = nouveau_display(drm->dev); 202 int mod; 203 204 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 205 return -EINVAL; 206 } 207 208 BUG_ON(!disp->format_modifiers); 209 210 for (mod = 0; 211 (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && 212 (disp->format_modifiers[mod] != modifier); 213 mod++); 214 215 if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) { 216 for (mod = 0; 217 (legacy_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && 218 (legacy_modifiers[mod] != modifier); 219 mod++); 220 if (legacy_modifiers[mod] == DRM_FORMAT_MOD_INVALID) 221 return -EINVAL; 222 } 223 224 nouveau_decode_mod(drm, modifier, tile_mode, kind); 225 226 return 0; 227 } 228 229 static inline uint32_t 230 nouveau_get_width_in_blocks(uint32_t stride) 231 { 232 /* GOBs per block in the x direction is always one, and GOBs are 233 * 64 bytes wide 234 */ 235 static const uint32_t log_block_width = 6; 236 237 return (stride + (1 << log_block_width) - 1) >> log_block_width; 238 } 239 240 static inline uint32_t 241 nouveau_get_height_in_blocks(struct nouveau_drm *drm, 242 uint32_t height, 243 uint32_t log_block_height_in_gobs) 244 { 245 uint32_t log_gob_height; 246 uint32_t log_block_height; 247 248 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); 249 250 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) 251 log_gob_height = 2; 252 else 253 log_gob_height = 3; 254 255 log_block_height = log_block_height_in_gobs + log_gob_height; 256 257 return (height + (1 << log_block_height) - 1) >> log_block_height; 258 } 259 260 static int 261 nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo, 262 uint32_t offset, uint32_t stride, uint32_t h, 263 uint32_t tile_mode) 264 { 265 uint32_t gob_size, bw, bh; 266 uint64_t bl_size; 267 268 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); 269 270 if (drm->client.device.info.chipset >= 0xc0) { 271 if (tile_mode & 0xF) 272 return -EINVAL; 273 tile_mode >>= 4; 274 } 275 276 if (tile_mode & 0xFFFFFFF0) 277 return -EINVAL; 278 279 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) 280 gob_size = 256; 281 else 282 gob_size = 512; 283 284 bw = nouveau_get_width_in_blocks(stride); 285 bh = nouveau_get_height_in_blocks(drm, h, tile_mode); 286 287 bl_size = bw * bh * (1 << tile_mode) * gob_size; 288 289 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", 290 offset, stride, h, tile_mode, bw, bh, gob_size, bl_size, 291 nvbo->bo.mem.size); 292 293 if (bl_size + offset > nvbo->bo.mem.size) 294 return -ERANGE; 295 296 return 0; 297 } 298 299 int 300 nouveau_framebuffer_new(struct drm_device *dev, 301 const struct drm_mode_fb_cmd2 *mode_cmd, 302 struct drm_gem_object *gem, 303 struct drm_framebuffer **pfb) 304 { 305 struct nouveau_drm *drm = nouveau_drm(dev); 306 struct nouveau_bo *nvbo = nouveau_gem_object(gem); 307 struct drm_framebuffer *fb; 308 const struct drm_format_info *info; 309 unsigned int width, height, i; 310 uint32_t tile_mode; 311 uint8_t kind; 312 int ret; 313 314 /* YUV overlays have special requirements pre-NV50 */ 315 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA && 316 317 (mode_cmd->pixel_format == DRM_FORMAT_YUYV || 318 mode_cmd->pixel_format == DRM_FORMAT_UYVY || 319 mode_cmd->pixel_format == DRM_FORMAT_NV12 || 320 mode_cmd->pixel_format == DRM_FORMAT_NV21) && 321 (mode_cmd->pitches[0] & 0x3f || /* align 64 */ 322 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */ 323 (mode_cmd->pitches[1] && /* pitches for planes must match */ 324 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) { 325 struct drm_format_name_buf format_name; 326 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n", 327 drm_get_format_name(mode_cmd->pixel_format, 328 &format_name), 329 mode_cmd->pitches[0], 330 mode_cmd->pitches[1]); 331 return -EINVAL; 332 } 333 334 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { 335 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0], 336 &tile_mode, &kind)) { 337 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n", 338 mode_cmd->modifier[0]); 339 return -EINVAL; 340 } 341 } else { 342 tile_mode = nvbo->mode; 343 kind = nvbo->kind; 344 } 345 346 info = drm_get_format_info(dev, mode_cmd); 347 348 for (i = 0; i < info->num_planes; i++) { 349 width = drm_format_info_plane_width(info, 350 mode_cmd->width, 351 i); 352 height = drm_format_info_plane_height(info, 353 mode_cmd->height, 354 i); 355 356 if (kind) { 357 ret = nouveau_check_bl_size(drm, nvbo, 358 mode_cmd->offsets[i], 359 mode_cmd->pitches[i], 360 height, tile_mode); 361 if (ret) 362 return ret; 363 } else { 364 uint32_t size = mode_cmd->pitches[i] * height; 365 366 if (size + mode_cmd->offsets[i] > nvbo->bo.mem.size) 367 return -ERANGE; 368 } 369 } 370 371 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) 372 return -ENOMEM; 373 374 drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); 375 fb->obj[0] = gem; 376 377 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); 378 if (ret) 379 kfree(fb); 380 return ret; 381 } 382 383 struct drm_framebuffer * 384 nouveau_user_framebuffer_create(struct drm_device *dev, 385 struct drm_file *file_priv, 386 const struct drm_mode_fb_cmd2 *mode_cmd) 387 { 388 struct drm_framebuffer *fb; 389 struct drm_gem_object *gem; 390 int ret; 391 392 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 393 if (!gem) 394 return ERR_PTR(-ENOENT); 395 396 ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb); 397 if (ret == 0) 398 return fb; 399 400 drm_gem_object_put(gem); 401 return ERR_PTR(ret); 402 } 403 404 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 405 .fb_create = nouveau_user_framebuffer_create, 406 .output_poll_changed = nouveau_fbcon_output_poll_changed, 407 }; 408 409 410 struct nouveau_drm_prop_enum_list { 411 u8 gen_mask; 412 int type; 413 char *name; 414 }; 415 416 static struct nouveau_drm_prop_enum_list underscan[] = { 417 { 6, UNDERSCAN_AUTO, "auto" }, 418 { 6, UNDERSCAN_OFF, "off" }, 419 { 6, UNDERSCAN_ON, "on" }, 420 {} 421 }; 422 423 static struct nouveau_drm_prop_enum_list dither_mode[] = { 424 { 7, DITHERING_MODE_AUTO, "auto" }, 425 { 7, DITHERING_MODE_OFF, "off" }, 426 { 1, DITHERING_MODE_ON, "on" }, 427 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 428 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 429 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 430 {} 431 }; 432 433 static struct nouveau_drm_prop_enum_list dither_depth[] = { 434 { 6, DITHERING_DEPTH_AUTO, "auto" }, 435 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 436 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 437 {} 438 }; 439 440 #define PROP_ENUM(p,gen,n,list) do { \ 441 struct nouveau_drm_prop_enum_list *l = (list); \ 442 int c = 0; \ 443 while (l->gen_mask) { \ 444 if (l->gen_mask & (1 << (gen))) \ 445 c++; \ 446 l++; \ 447 } \ 448 if (c) { \ 449 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 450 l = (list); \ 451 while (p && l->gen_mask) { \ 452 if (l->gen_mask & (1 << (gen))) { \ 453 drm_property_add_enum(p, l->type, l->name); \ 454 } \ 455 l++; \ 456 } \ 457 } \ 458 } while(0) 459 460 static void 461 nouveau_display_hpd_work(struct work_struct *work) 462 { 463 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); 464 465 pm_runtime_get_sync(drm->dev->dev); 466 467 drm_helper_hpd_irq_event(drm->dev); 468 469 pm_runtime_mark_last_busy(drm->dev->dev); 470 pm_runtime_put_sync(drm->dev->dev); 471 } 472 473 #ifdef CONFIG_ACPI 474 475 static int 476 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, 477 void *data) 478 { 479 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb); 480 struct acpi_bus_event *info = data; 481 int ret; 482 483 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) { 484 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) { 485 ret = pm_runtime_get(drm->dev->dev); 486 if (ret == 1 || ret == -EACCES) { 487 /* If the GPU is already awake, or in a state 488 * where we can't wake it up, it can handle 489 * it's own hotplug events. 490 */ 491 pm_runtime_put_autosuspend(drm->dev->dev); 492 } else if (ret == 0) { 493 /* This may be the only indication we receive 494 * of a connector hotplug on a runtime 495 * suspended GPU, schedule hpd_work to check. 496 */ 497 NV_DEBUG(drm, "ACPI requested connector reprobe\n"); 498 schedule_work(&drm->hpd_work); 499 pm_runtime_put_noidle(drm->dev->dev); 500 } else { 501 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n", 502 ret); 503 } 504 505 /* acpi-video should not generate keypresses for this */ 506 return NOTIFY_BAD; 507 } 508 } 509 510 return NOTIFY_DONE; 511 } 512 #endif 513 514 int 515 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime) 516 { 517 struct nouveau_display *disp = nouveau_display(dev); 518 struct drm_connector *connector; 519 struct drm_connector_list_iter conn_iter; 520 int ret; 521 522 /* 523 * Enable hotplug interrupts (done as early as possible, since we need 524 * them for MST) 525 */ 526 drm_connector_list_iter_begin(dev, &conn_iter); 527 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 528 struct nouveau_connector *conn = nouveau_connector(connector); 529 nvif_notify_get(&conn->hpd); 530 } 531 drm_connector_list_iter_end(&conn_iter); 532 533 ret = disp->init(dev, resume, runtime); 534 if (ret) 535 return ret; 536 537 /* enable connector detection and polling for connectors without HPD 538 * support 539 */ 540 drm_kms_helper_poll_enable(dev); 541 542 return ret; 543 } 544 545 void 546 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime) 547 { 548 struct nouveau_display *disp = nouveau_display(dev); 549 struct nouveau_drm *drm = nouveau_drm(dev); 550 struct drm_connector *connector; 551 struct drm_connector_list_iter conn_iter; 552 553 if (!suspend) { 554 if (drm_drv_uses_atomic_modeset(dev)) 555 drm_atomic_helper_shutdown(dev); 556 else 557 drm_helper_force_disable_all(dev); 558 } 559 560 /* disable hotplug interrupts */ 561 drm_connector_list_iter_begin(dev, &conn_iter); 562 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 563 struct nouveau_connector *conn = nouveau_connector(connector); 564 nvif_notify_put(&conn->hpd); 565 } 566 drm_connector_list_iter_end(&conn_iter); 567 568 if (!runtime) 569 cancel_work_sync(&drm->hpd_work); 570 571 drm_kms_helper_poll_disable(dev); 572 disp->fini(dev, suspend); 573 } 574 575 static void 576 nouveau_display_create_properties(struct drm_device *dev) 577 { 578 struct nouveau_display *disp = nouveau_display(dev); 579 int gen; 580 581 if (disp->disp.object.oclass < NV50_DISP) 582 gen = 0; 583 else 584 if (disp->disp.object.oclass < GF110_DISP) 585 gen = 1; 586 else 587 gen = 2; 588 589 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 590 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 591 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 592 593 disp->underscan_hborder_property = 594 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 595 596 disp->underscan_vborder_property = 597 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 598 599 if (gen < 1) 600 return; 601 602 /* -90..+90 */ 603 disp->vibrant_hue_property = 604 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 605 606 /* -100..+100 */ 607 disp->color_vibrance_property = 608 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 609 } 610 611 int 612 nouveau_display_create(struct drm_device *dev) 613 { 614 struct nouveau_drm *drm = nouveau_drm(dev); 615 struct nvkm_device *device = nvxx_device(&drm->client.device); 616 struct nouveau_display *disp; 617 int ret; 618 619 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 620 if (!disp) 621 return -ENOMEM; 622 623 drm_mode_config_init(dev); 624 drm_mode_create_scaling_mode_property(dev); 625 drm_mode_create_dvi_i_properties(dev); 626 627 dev->mode_config.funcs = &nouveau_mode_config_funcs; 628 dev->mode_config.fb_base = device->func->resource_addr(device, 1); 629 630 dev->mode_config.min_width = 0; 631 dev->mode_config.min_height = 0; 632 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 633 dev->mode_config.max_width = 2048; 634 dev->mode_config.max_height = 2048; 635 } else 636 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 637 dev->mode_config.max_width = 4096; 638 dev->mode_config.max_height = 4096; 639 } else 640 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 641 dev->mode_config.max_width = 8192; 642 dev->mode_config.max_height = 8192; 643 } else { 644 dev->mode_config.max_width = 16384; 645 dev->mode_config.max_height = 16384; 646 } 647 648 dev->mode_config.preferred_depth = 24; 649 dev->mode_config.prefer_shadow = 1; 650 dev->mode_config.allow_fb_modifiers = true; 651 652 if (drm->client.device.info.chipset < 0x11) 653 dev->mode_config.async_page_flip = false; 654 else 655 dev->mode_config.async_page_flip = true; 656 657 drm_kms_helper_poll_init(dev); 658 drm_kms_helper_poll_disable(dev); 659 660 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 661 ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0, 662 &disp->disp); 663 if (ret == 0) { 664 nouveau_display_create_properties(dev); 665 if (disp->disp.object.oclass < NV50_DISP) 666 ret = nv04_display_create(dev); 667 else 668 ret = nv50_display_create(dev); 669 } 670 } else { 671 ret = 0; 672 } 673 674 if (ret) 675 goto disp_create_err; 676 677 drm_mode_config_reset(dev); 678 679 if (dev->mode_config.num_crtc) { 680 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 681 if (ret) 682 goto vblank_err; 683 684 if (disp->disp.object.oclass >= NV50_DISP) 685 nv50_crc_init(dev); 686 } 687 688 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 689 #ifdef CONFIG_ACPI 690 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 691 register_acpi_notifier(&drm->acpi_nb); 692 #endif 693 694 return 0; 695 696 vblank_err: 697 disp->dtor(dev); 698 disp_create_err: 699 drm_kms_helper_poll_fini(dev); 700 drm_mode_config_cleanup(dev); 701 return ret; 702 } 703 704 void 705 nouveau_display_destroy(struct drm_device *dev) 706 { 707 struct nouveau_display *disp = nouveau_display(dev); 708 709 #ifdef CONFIG_ACPI 710 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb); 711 #endif 712 713 drm_kms_helper_poll_fini(dev); 714 drm_mode_config_cleanup(dev); 715 716 if (disp->dtor) 717 disp->dtor(dev); 718 719 nvif_disp_dtor(&disp->disp); 720 721 nouveau_drm(dev)->display = NULL; 722 kfree(disp); 723 } 724 725 int 726 nouveau_display_suspend(struct drm_device *dev, bool runtime) 727 { 728 struct nouveau_display *disp = nouveau_display(dev); 729 730 if (drm_drv_uses_atomic_modeset(dev)) { 731 if (!runtime) { 732 disp->suspend = drm_atomic_helper_suspend(dev); 733 if (IS_ERR(disp->suspend)) { 734 int ret = PTR_ERR(disp->suspend); 735 disp->suspend = NULL; 736 return ret; 737 } 738 } 739 } 740 741 nouveau_display_fini(dev, true, runtime); 742 return 0; 743 } 744 745 void 746 nouveau_display_resume(struct drm_device *dev, bool runtime) 747 { 748 struct nouveau_display *disp = nouveau_display(dev); 749 750 nouveau_display_init(dev, true, runtime); 751 752 if (drm_drv_uses_atomic_modeset(dev)) { 753 if (disp->suspend) { 754 drm_atomic_helper_resume(dev, disp->suspend); 755 disp->suspend = NULL; 756 } 757 return; 758 } 759 } 760 761 int 762 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 763 struct drm_mode_create_dumb *args) 764 { 765 struct nouveau_cli *cli = nouveau_cli(file_priv); 766 struct nouveau_bo *bo; 767 uint32_t domain; 768 int ret; 769 770 args->pitch = roundup(args->width * (args->bpp / 8), 256); 771 args->size = args->pitch * args->height; 772 args->size = roundup(args->size, PAGE_SIZE); 773 774 /* Use VRAM if there is any ; otherwise fallback to system memory */ 775 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 776 domain = NOUVEAU_GEM_DOMAIN_VRAM; 777 else 778 domain = NOUVEAU_GEM_DOMAIN_GART; 779 780 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 781 if (ret) 782 return ret; 783 784 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle); 785 drm_gem_object_put(&bo->bo.base); 786 return ret; 787 } 788 789 int 790 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 791 struct drm_device *dev, 792 uint32_t handle, uint64_t *poffset) 793 { 794 struct drm_gem_object *gem; 795 796 gem = drm_gem_object_lookup(file_priv, handle); 797 if (gem) { 798 struct nouveau_bo *bo = nouveau_gem_object(gem); 799 *poffset = drm_vma_node_offset_addr(&bo->bo.base.vma_node); 800 drm_gem_object_put(gem); 801 return 0; 802 } 803 804 return -ENOENT; 805 } 806