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_client_event.h> 32 #include <drm/drm_crtc_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_crtc.h" 39 #include "nouveau_gem.h" 40 #include "nouveau_connector.h" 41 #include "nv50_display.h" 42 43 #include <nvif/class.h> 44 #include <nvif/if0011.h> 45 #include <nvif/if0013.h> 46 #include <dispnv50/crc.h> 47 #include <dispnv50/tile.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_event_allow(&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_event_block(&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 drm_vblank_crtc *vblank = drm_crtc_vblank_crtc(crtc); 88 struct nvif_head *head = &nouveau_crtc(crtc)->head; 89 struct nvif_head_scanoutpos_v0 args; 90 int retry = 20; 91 bool ret = false; 92 93 args.version = 0; 94 95 do { 96 ret = nvif_mthd(&head->object, NVIF_HEAD_V0_SCANOUTPOS, &args, sizeof(args)); 97 if (ret != 0) 98 return false; 99 100 if (args.vline) { 101 ret = true; 102 break; 103 } 104 105 if (retry) ndelay(vblank->linedur_ns); 106 } while (retry--); 107 108 *hpos = args.hline; 109 *vpos = calc(args.vblanks, args.vblanke, args.vtotal, args.vline); 110 if (stime) *stime = ns_to_ktime(args.time[0]); 111 if (etime) *etime = ns_to_ktime(args.time[1]); 112 113 return ret; 114 } 115 116 bool 117 nouveau_display_scanoutpos(struct drm_crtc *crtc, 118 bool in_vblank_irq, int *vpos, int *hpos, 119 ktime_t *stime, ktime_t *etime, 120 const struct drm_display_mode *mode) 121 { 122 return nouveau_display_scanoutpos_head(crtc, vpos, hpos, 123 stime, etime); 124 } 125 126 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 127 .destroy = drm_gem_fb_destroy, 128 .create_handle = drm_gem_fb_create_handle, 129 }; 130 131 static void 132 nouveau_decode_mod(struct nouveau_drm *drm, 133 uint64_t modifier, 134 uint32_t *tile_mode, 135 uint8_t *kind) 136 { 137 struct nouveau_display *disp = nouveau_display(drm->dev); 138 BUG_ON(!tile_mode || !kind); 139 140 if (modifier == DRM_FORMAT_MOD_LINEAR) { 141 /* tile_mode will not be used in this case */ 142 *tile_mode = 0; 143 *kind = 0; 144 } else { 145 /* 146 * Extract the block height and kind from the corresponding 147 * modifier fields. See drm_fourcc.h for details. 148 */ 149 150 if ((modifier & (0xffull << 12)) == 0ull) { 151 /* Legacy modifier. Translate to this dev's 'kind.' */ 152 modifier |= disp->format_modifiers[0] & (0xffull << 12); 153 } 154 155 *tile_mode = (uint32_t)(modifier & 0xF); 156 *kind = (uint8_t)((modifier >> 12) & 0xFF); 157 158 if (drm->client.device.info.chipset >= 0xc0) 159 *tile_mode <<= 4; 160 } 161 } 162 163 void 164 nouveau_framebuffer_get_layout(struct drm_framebuffer *fb, 165 uint32_t *tile_mode, 166 uint8_t *kind) 167 { 168 if (fb->flags & DRM_MODE_FB_MODIFIERS) { 169 struct nouveau_drm *drm = nouveau_drm(fb->dev); 170 171 nouveau_decode_mod(drm, fb->modifier, tile_mode, kind); 172 } else { 173 const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]); 174 175 *tile_mode = nvbo->mode; 176 *kind = nvbo->kind; 177 } 178 } 179 180 static const u64 legacy_modifiers[] = { 181 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0), 182 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1), 183 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2), 184 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3), 185 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4), 186 DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5), 187 DRM_FORMAT_MOD_INVALID 188 }; 189 190 static int 191 nouveau_validate_decode_mod(struct nouveau_drm *drm, 192 uint64_t modifier, 193 uint32_t *tile_mode, 194 uint8_t *kind) 195 { 196 struct nouveau_display *disp = nouveau_display(drm->dev); 197 int mod; 198 199 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 200 return -EINVAL; 201 } 202 203 BUG_ON(!disp->format_modifiers); 204 205 for (mod = 0; 206 (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && 207 (disp->format_modifiers[mod] != modifier); 208 mod++); 209 210 if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID) { 211 for (mod = 0; 212 (legacy_modifiers[mod] != DRM_FORMAT_MOD_INVALID) && 213 (legacy_modifiers[mod] != modifier); 214 mod++); 215 if (legacy_modifiers[mod] == DRM_FORMAT_MOD_INVALID) 216 return -EINVAL; 217 } 218 219 nouveau_decode_mod(drm, modifier, tile_mode, kind); 220 221 return 0; 222 } 223 224 static int 225 nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo, 226 uint32_t offset, uint32_t stride, uint32_t h, 227 uint32_t tile_mode) 228 { 229 uint32_t gob_size, bw, bh, gobs_in_block; 230 uint64_t bl_size; 231 232 BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA); 233 234 if (nouveau_check_tile_mode(tile_mode, drm->client.device.info.chipset)) 235 return -EINVAL; 236 237 gobs_in_block = nouveau_get_gobs_in_block(tile_mode, drm->client.device.info.chipset); 238 bw = nouveau_get_width_in_blocks(stride); 239 bh = nouveau_get_height_in_blocks(h, gobs_in_block, drm->client.device.info.family); 240 gob_size = nouveau_get_gob_size(drm->client.device.info.family); 241 242 bl_size = bw * bh * gobs_in_block * gob_size; 243 244 DRM_DEBUG_KMS("offset=%u stride=%u h=%u gobs_in_block=%u bw=%u bh=%u gob_size=%u bl_size=%llu size=%zu\n", 245 offset, stride, h, gobs_in_block, bw, bh, gob_size, 246 bl_size, nvbo->bo.base.size); 247 248 if (bl_size + offset > nvbo->bo.base.size) 249 return -ERANGE; 250 251 return 0; 252 } 253 254 int 255 nouveau_framebuffer_new(struct drm_device *dev, 256 const struct drm_format_info *info, 257 const struct drm_mode_fb_cmd2 *mode_cmd, 258 struct drm_gem_object *gem, 259 struct drm_framebuffer **pfb) 260 { 261 struct nouveau_drm *drm = nouveau_drm(dev); 262 struct nouveau_bo *nvbo = nouveau_gem_object(gem); 263 struct drm_framebuffer *fb; 264 unsigned int height, i; 265 uint32_t tile_mode; 266 uint8_t kind; 267 int ret; 268 269 /* YUV overlays have special requirements pre-NV50 */ 270 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA && 271 272 (mode_cmd->pixel_format == DRM_FORMAT_YUYV || 273 mode_cmd->pixel_format == DRM_FORMAT_UYVY || 274 mode_cmd->pixel_format == DRM_FORMAT_NV12 || 275 mode_cmd->pixel_format == DRM_FORMAT_NV21) && 276 (mode_cmd->pitches[0] & 0x3f || /* align 64 */ 277 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */ 278 (mode_cmd->pitches[1] && /* pitches for planes must match */ 279 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) { 280 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %p4cc; pitches: 0x%x\n 0x%x\n", 281 &mode_cmd->pixel_format, 282 mode_cmd->pitches[0], mode_cmd->pitches[1]); 283 return -EINVAL; 284 } 285 286 if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { 287 if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0], 288 &tile_mode, &kind)) { 289 DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n", 290 mode_cmd->modifier[0]); 291 return -EINVAL; 292 } 293 } else { 294 tile_mode = nvbo->mode; 295 kind = nvbo->kind; 296 } 297 298 for (i = 0; i < info->num_planes; i++) { 299 height = drm_format_info_plane_height(info, 300 mode_cmd->height, 301 i); 302 303 if (kind) { 304 ret = nouveau_check_bl_size(drm, nvbo, 305 mode_cmd->offsets[i], 306 mode_cmd->pitches[i], 307 height, tile_mode); 308 if (ret) 309 return ret; 310 } else { 311 uint32_t size = mode_cmd->pitches[i] * height; 312 313 if (size + mode_cmd->offsets[i] > nvbo->bo.base.size) 314 return -ERANGE; 315 } 316 } 317 318 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) 319 return -ENOMEM; 320 321 drm_helper_mode_fill_fb_struct(dev, fb, info, mode_cmd); 322 fb->obj[0] = gem; 323 324 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); 325 if (ret) 326 kfree(fb); 327 return ret; 328 } 329 330 struct drm_framebuffer * 331 nouveau_user_framebuffer_create(struct drm_device *dev, 332 struct drm_file *file_priv, 333 const struct drm_format_info *info, 334 const struct drm_mode_fb_cmd2 *mode_cmd) 335 { 336 struct drm_framebuffer *fb; 337 struct drm_gem_object *gem; 338 int ret; 339 340 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 341 if (!gem) 342 return ERR_PTR(-ENOENT); 343 344 ret = nouveau_framebuffer_new(dev, info, mode_cmd, gem, &fb); 345 if (ret == 0) 346 return fb; 347 348 drm_gem_object_put(gem); 349 return ERR_PTR(ret); 350 } 351 352 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 353 .fb_create = nouveau_user_framebuffer_create, 354 }; 355 356 357 struct nouveau_drm_prop_enum_list { 358 u8 gen_mask; 359 int type; 360 char *name; 361 }; 362 363 static struct nouveau_drm_prop_enum_list underscan[] = { 364 { 6, UNDERSCAN_AUTO, "auto" }, 365 { 6, UNDERSCAN_OFF, "off" }, 366 { 6, UNDERSCAN_ON, "on" }, 367 {} 368 }; 369 370 static struct nouveau_drm_prop_enum_list dither_mode[] = { 371 { 7, DITHERING_MODE_AUTO, "auto" }, 372 { 7, DITHERING_MODE_OFF, "off" }, 373 { 1, DITHERING_MODE_ON, "on" }, 374 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 375 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 376 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 377 {} 378 }; 379 380 static struct nouveau_drm_prop_enum_list dither_depth[] = { 381 { 6, DITHERING_DEPTH_AUTO, "auto" }, 382 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 383 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 384 {} 385 }; 386 387 #define PROP_ENUM(p,gen,n,list) do { \ 388 struct nouveau_drm_prop_enum_list *l = (list); \ 389 int c = 0; \ 390 while (l->gen_mask) { \ 391 if (l->gen_mask & (1 << (gen))) \ 392 c++; \ 393 l++; \ 394 } \ 395 if (c) { \ 396 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 397 l = (list); \ 398 while (p && l->gen_mask) { \ 399 if (l->gen_mask & (1 << (gen))) { \ 400 drm_property_add_enum(p, l->type, l->name); \ 401 } \ 402 l++; \ 403 } \ 404 } \ 405 } while(0) 406 407 void 408 nouveau_display_hpd_resume(struct nouveau_drm *drm) 409 { 410 if (drm->headless) 411 return; 412 413 spin_lock_irq(&drm->hpd_lock); 414 drm->hpd_pending = ~0; 415 spin_unlock_irq(&drm->hpd_lock); 416 417 schedule_work(&drm->hpd_work); 418 } 419 420 static void 421 nouveau_display_hpd_work(struct work_struct *work) 422 { 423 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); 424 struct drm_device *dev = drm->dev; 425 struct drm_connector *connector; 426 struct drm_connector_list_iter conn_iter; 427 u32 pending; 428 int changed = 0; 429 struct drm_connector *first_changed_connector = NULL; 430 431 pm_runtime_get_sync(dev->dev); 432 433 spin_lock_irq(&drm->hpd_lock); 434 pending = drm->hpd_pending; 435 drm->hpd_pending = 0; 436 spin_unlock_irq(&drm->hpd_lock); 437 438 /* Nothing to do, exit early without updating the last busy counter */ 439 if (!pending) 440 goto noop; 441 442 mutex_lock(&dev->mode_config.mutex); 443 drm_connector_list_iter_begin(dev, &conn_iter); 444 445 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 446 struct nouveau_connector *nv_connector = nouveau_connector(connector); 447 enum drm_connector_status old_status = connector->status; 448 u64 bits, old_epoch_counter = connector->epoch_counter; 449 450 if (!(pending & drm_connector_mask(connector))) 451 continue; 452 453 spin_lock_irq(&drm->hpd_lock); 454 bits = nv_connector->hpd_pending; 455 nv_connector->hpd_pending = 0; 456 spin_unlock_irq(&drm->hpd_lock); 457 458 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] plug:%d unplug:%d irq:%d\n", 459 connector->base.id, connector->name, 460 !!(bits & NVIF_CONN_EVENT_V0_PLUG), 461 !!(bits & NVIF_CONN_EVENT_V0_UNPLUG), 462 !!(bits & NVIF_CONN_EVENT_V0_IRQ)); 463 464 if (bits & NVIF_CONN_EVENT_V0_IRQ) { 465 if (nouveau_dp_link_check(nv_connector)) 466 continue; 467 } 468 469 connector->status = drm_helper_probe_detect(connector, NULL, false); 470 if (old_epoch_counter == connector->epoch_counter) 471 continue; 472 473 changed++; 474 if (!first_changed_connector) { 475 drm_connector_get(connector); 476 first_changed_connector = connector; 477 } 478 479 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n", 480 connector->base.id, connector->name, 481 drm_get_connector_status_name(old_status), 482 drm_get_connector_status_name(connector->status), 483 old_epoch_counter, connector->epoch_counter); 484 } 485 486 drm_connector_list_iter_end(&conn_iter); 487 mutex_unlock(&dev->mode_config.mutex); 488 489 if (changed == 1) 490 drm_kms_helper_connector_hotplug_event(first_changed_connector); 491 else if (changed > 0) 492 drm_kms_helper_hotplug_event(dev); 493 494 if (first_changed_connector) 495 drm_connector_put(first_changed_connector); 496 497 pm_runtime_mark_last_busy(dev->dev); 498 noop: 499 pm_runtime_put_autosuspend(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 || ret == -EINPROGRESS) { 522 /* We've started resuming the GPU already, so 523 * it will handle scheduling a full reprobe 524 * itself 525 */ 526 NV_DEBUG(drm, "ACPI requested connector reprobe\n"); 527 pm_runtime_put_noidle(drm->dev->dev); 528 } else { 529 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n", 530 ret); 531 } 532 533 /* acpi-video should not generate keypresses for this */ 534 return NOTIFY_BAD; 535 } 536 } 537 538 return NOTIFY_DONE; 539 } 540 #endif 541 542 int 543 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime) 544 { 545 struct nouveau_display *disp = nouveau_display(dev); 546 struct drm_connector *connector; 547 struct drm_connector_list_iter conn_iter; 548 int ret; 549 550 /* 551 * Enable hotplug interrupts (done as early as possible, since we need 552 * them for MST) 553 */ 554 drm_connector_list_iter_begin(dev, &conn_iter); 555 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 556 struct nouveau_connector *conn = nouveau_connector(connector); 557 nvif_event_allow(&conn->hpd); 558 nvif_event_allow(&conn->irq); 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_event_block(&conn->irq); 594 nvif_event_block(&conn->hpd); 595 } 596 drm_connector_list_iter_end(&conn_iter); 597 598 if (!runtime && !drm->headless) 599 cancel_work_sync(&drm->hpd_work); 600 601 drm_kms_helper_poll_disable(dev); 602 disp->fini(dev, runtime, suspend); 603 } 604 605 static void 606 nouveau_display_create_properties(struct drm_device *dev) 607 { 608 struct nouveau_display *disp = nouveau_display(dev); 609 int gen; 610 611 if (disp->disp.object.oclass < NV50_DISP) 612 gen = 0; 613 else 614 if (disp->disp.object.oclass < GF110_DISP) 615 gen = 1; 616 else 617 gen = 2; 618 619 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 620 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 621 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 622 623 disp->underscan_hborder_property = 624 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 625 626 disp->underscan_vborder_property = 627 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 628 629 if (gen < 1) 630 return; 631 632 /* -90..+90 */ 633 disp->vibrant_hue_property = 634 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 635 636 /* -100..+100 */ 637 disp->color_vibrance_property = 638 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 639 } 640 641 int 642 nouveau_display_create(struct drm_device *dev) 643 { 644 struct nouveau_drm *drm = nouveau_drm(dev); 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; 657 658 dev->mode_config.min_width = 0; 659 dev->mode_config.min_height = 0; 660 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 661 dev->mode_config.max_width = 2048; 662 dev->mode_config.max_height = 2048; 663 } else 664 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 665 dev->mode_config.max_width = 4096; 666 dev->mode_config.max_height = 4096; 667 } else 668 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 669 dev->mode_config.max_width = 8192; 670 dev->mode_config.max_height = 8192; 671 } else { 672 dev->mode_config.max_width = 16384; 673 dev->mode_config.max_height = 16384; 674 } 675 676 dev->mode_config.preferred_depth = 24; 677 dev->mode_config.prefer_shadow = 1; 678 679 if (drm->client.device.info.chipset < 0x11) 680 dev->mode_config.async_page_flip = false; 681 else 682 dev->mode_config.async_page_flip = true; 683 684 drm_kms_helper_poll_init(dev); 685 drm_kms_helper_poll_disable(dev); 686 687 if (nouveau_modeset != 2) { 688 ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0, &disp->disp); 689 /* no display hw */ 690 if (ret == -ENODEV) { 691 ret = 0; 692 drm->headless = true; 693 goto disp_create_err; 694 } 695 696 if (!ret && (disp->disp.outp_mask || drm->vbios.dcb.entries)) { 697 nouveau_display_create_properties(dev); 698 if (disp->disp.object.oclass < NV50_DISP) { 699 dev->mode_config.fb_modifiers_not_supported = true; 700 ret = nv04_display_create(dev); 701 } else { 702 ret = nv50_display_create(dev); 703 } 704 } 705 } else { 706 ret = 0; 707 } 708 709 if (ret) 710 goto disp_create_err; 711 712 drm_mode_config_reset(dev); 713 714 if (dev->mode_config.num_crtc) { 715 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 716 if (ret) 717 goto vblank_err; 718 719 if (disp->disp.object.oclass >= NV50_DISP) 720 nv50_crc_init(dev); 721 } 722 723 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 724 spin_lock_init(&drm->hpd_lock); 725 #ifdef CONFIG_ACPI 726 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 727 register_acpi_notifier(&drm->acpi_nb); 728 #endif 729 730 return 0; 731 732 vblank_err: 733 disp->dtor(dev); 734 disp_create_err: 735 drm_kms_helper_poll_fini(dev); 736 drm_mode_config_cleanup(dev); 737 return ret; 738 } 739 740 void 741 nouveau_display_destroy(struct drm_device *dev) 742 { 743 struct nouveau_display *disp = nouveau_display(dev); 744 struct nouveau_drm *drm = nouveau_drm(dev); 745 746 #ifdef CONFIG_ACPI 747 unregister_acpi_notifier(&drm->acpi_nb); 748 #endif 749 750 drm_kms_helper_poll_fini(dev); 751 drm_mode_config_cleanup(dev); 752 753 if (disp->dtor) 754 disp->dtor(dev); 755 756 nvif_disp_dtor(&disp->disp); 757 758 drm->display = NULL; 759 kfree(disp); 760 } 761 762 int 763 nouveau_display_suspend(struct drm_device *dev, bool runtime) 764 { 765 struct nouveau_display *disp = nouveau_display(dev); 766 767 drm_client_dev_suspend(dev, false); 768 769 if (drm_drv_uses_atomic_modeset(dev)) { 770 if (!runtime) { 771 disp->suspend = drm_atomic_helper_suspend(dev); 772 if (IS_ERR(disp->suspend)) { 773 int ret = PTR_ERR(disp->suspend); 774 disp->suspend = NULL; 775 return ret; 776 } 777 } 778 } 779 780 nouveau_display_fini(dev, true, runtime); 781 return 0; 782 } 783 784 void 785 nouveau_display_resume(struct drm_device *dev, bool runtime) 786 { 787 struct nouveau_display *disp = nouveau_display(dev); 788 789 nouveau_display_init(dev, true, runtime); 790 791 if (drm_drv_uses_atomic_modeset(dev)) { 792 if (disp->suspend) { 793 drm_atomic_helper_resume(dev, disp->suspend); 794 disp->suspend = NULL; 795 } 796 } 797 798 drm_client_dev_resume(dev, false); 799 } 800 801 int 802 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 803 struct drm_mode_create_dumb *args) 804 { 805 struct nouveau_cli *cli = nouveau_cli(file_priv); 806 struct nouveau_bo *bo; 807 uint32_t domain; 808 int ret; 809 810 args->pitch = roundup(args->width * (args->bpp / 8), 256); 811 args->size = args->pitch * args->height; 812 args->size = roundup(args->size, PAGE_SIZE); 813 814 /* Use VRAM if there is any ; otherwise fallback to system memory */ 815 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 816 domain = NOUVEAU_GEM_DOMAIN_VRAM; 817 else 818 domain = NOUVEAU_GEM_DOMAIN_GART; 819 820 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 821 if (ret) 822 return ret; 823 824 ret = drm_gem_handle_create(file_priv, &bo->bo.base, &args->handle); 825 drm_gem_object_put(&bo->bo.base); 826 return ret; 827 } 828