2 * Copyright (C) 2008 Ben Skeggs.
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:
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.
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.
29 #include "nouveau_drv.h"
30 #include "nouveau_drm.h"
31 #include "nouveau_dma.h"
33 #define nouveau_gem_pushbuf_sync(chan) 0
36 nouveau_gem_object_new(struct drm_gem_object *gem)
42 nouveau_gem_object_del(struct drm_gem_object *gem)
44 struct nouveau_bo *nvbo = gem->driver_private;
45 struct ttm_buffer_object *bo = &nvbo->bo;
51 if (unlikely(nvbo->pin_refcnt)) {
53 nouveau_bo_unpin(nvbo);
58 drm_gem_object_release(gem);
63 nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
65 struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
66 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
67 struct nouveau_vma *vma;
73 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
77 vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
79 vma = kzalloc(sizeof(*vma), GFP_KERNEL);
85 ret = nouveau_bo_vma_add(nvbo, fpriv->vm, vma);
95 ttm_bo_unreserve(&nvbo->bo);
100 nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
102 struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
103 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
104 struct nouveau_vma *vma;
110 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
114 vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
116 if (--vma->refcount == 0) {
117 nouveau_bo_vma_del(nvbo, vma);
121 ttm_bo_unreserve(&nvbo->bo);
125 nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain,
126 uint32_t tile_mode, uint32_t tile_flags,
127 struct nouveau_bo **pnvbo)
129 struct drm_nouveau_private *dev_priv = dev->dev_private;
130 struct nouveau_bo *nvbo;
134 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
135 flags |= TTM_PL_FLAG_VRAM;
136 if (domain & NOUVEAU_GEM_DOMAIN_GART)
137 flags |= TTM_PL_FLAG_TT;
138 if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
139 flags |= TTM_PL_FLAG_SYSTEM;
141 ret = nouveau_bo_new(dev, size, align, flags, tile_mode,
147 /* we restrict allowed domains on nv50+ to only the types
148 * that were requested at creation time. not possibly on
149 * earlier chips without busting the ABI.
151 nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
152 NOUVEAU_GEM_DOMAIN_GART;
153 if (dev_priv->card_type >= NV_50)
154 nvbo->valid_domains &= domain;
156 nvbo->gem = drm_gem_object_alloc(dev, nvbo->bo.mem.size);
158 nouveau_bo_ref(NULL, pnvbo);
162 nvbo->bo.persistent_swap_storage = nvbo->gem->filp;
163 nvbo->gem->driver_private = nvbo;
168 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
169 struct drm_nouveau_gem_info *rep)
171 struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
172 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
173 struct nouveau_vma *vma;
175 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
176 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
178 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
180 rep->offset = nvbo->bo.offset;
182 vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
186 rep->offset = vma->offset;
189 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
190 rep->map_handle = nvbo->bo.addr_space_offset;
191 rep->tile_mode = nvbo->tile_mode;
192 rep->tile_flags = nvbo->tile_flags;
197 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
198 struct drm_file *file_priv)
200 struct drm_nouveau_private *dev_priv = dev->dev_private;
201 struct drm_nouveau_gem_new *req = data;
202 struct nouveau_bo *nvbo = NULL;
205 if (unlikely(dev_priv->ttm.bdev.dev_mapping == NULL))
206 dev_priv->ttm.bdev.dev_mapping = dev_priv->dev->dev_mapping;
208 if (!dev_priv->engine.vram.flags_valid(dev, req->info.tile_flags)) {
209 NV_ERROR(dev, "bad page flags: 0x%08x\n", req->info.tile_flags);
213 ret = nouveau_gem_new(dev, req->info.size, req->align,
214 req->info.domain, req->info.tile_mode,
215 req->info.tile_flags, &nvbo);
219 ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
221 ret = nouveau_gem_info(file_priv, nvbo->gem, &req->info);
223 drm_gem_handle_delete(file_priv, req->info.handle);
226 /* drop reference from allocate - handle holds it now */
227 drm_gem_object_unreference_unlocked(nvbo->gem);
232 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
233 uint32_t write_domains, uint32_t valid_domains)
235 struct nouveau_bo *nvbo = gem->driver_private;
236 struct ttm_buffer_object *bo = &nvbo->bo;
237 uint32_t domains = valid_domains & nvbo->valid_domains &
238 (write_domains ? write_domains : read_domains);
239 uint32_t pref_flags = 0, valid_flags = 0;
244 if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
245 valid_flags |= TTM_PL_FLAG_VRAM;
247 if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
248 valid_flags |= TTM_PL_FLAG_TT;
250 if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
251 bo->mem.mem_type == TTM_PL_VRAM)
252 pref_flags |= TTM_PL_FLAG_VRAM;
254 else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
255 bo->mem.mem_type == TTM_PL_TT)
256 pref_flags |= TTM_PL_FLAG_TT;
258 else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
259 pref_flags |= TTM_PL_FLAG_VRAM;
262 pref_flags |= TTM_PL_FLAG_TT;
264 nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
270 struct list_head vram_list;
271 struct list_head gart_list;
272 struct list_head both_list;
276 validate_fini_list(struct list_head *list, struct nouveau_fence *fence)
278 struct list_head *entry, *tmp;
279 struct nouveau_bo *nvbo;
281 list_for_each_safe(entry, tmp, list) {
282 nvbo = list_entry(entry, struct nouveau_bo, entry);
285 nouveau_bo_fence(nvbo, fence);
287 if (unlikely(nvbo->validate_mapped)) {
288 ttm_bo_kunmap(&nvbo->kmap);
289 nvbo->validate_mapped = false;
292 list_del(&nvbo->entry);
293 nvbo->reserved_by = NULL;
294 ttm_bo_unreserve(&nvbo->bo);
295 drm_gem_object_unreference_unlocked(nvbo->gem);
300 validate_fini(struct validate_op *op, struct nouveau_fence* fence)
302 validate_fini_list(&op->vram_list, fence);
303 validate_fini_list(&op->gart_list, fence);
304 validate_fini_list(&op->both_list, fence);
308 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
309 struct drm_nouveau_gem_pushbuf_bo *pbbo,
310 int nr_buffers, struct validate_op *op)
312 struct drm_device *dev = chan->dev;
313 struct drm_nouveau_private *dev_priv = dev->dev_private;
318 sequence = atomic_add_return(1, &dev_priv->ttm.validate_sequence);
320 if (++trycnt > 100000) {
321 NV_ERROR(dev, "%s failed and gave up.\n", __func__);
325 for (i = 0; i < nr_buffers; i++) {
326 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
327 struct drm_gem_object *gem;
328 struct nouveau_bo *nvbo;
330 gem = drm_gem_object_lookup(dev, file_priv, b->handle);
332 NV_ERROR(dev, "Unknown handle 0x%08x\n", b->handle);
333 validate_fini(op, NULL);
336 nvbo = gem->driver_private;
338 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
339 NV_ERROR(dev, "multiple instances of buffer %d on "
340 "validation list\n", b->handle);
341 validate_fini(op, NULL);
345 ret = ttm_bo_reserve(&nvbo->bo, true, false, true, sequence);
347 validate_fini(op, NULL);
348 if (unlikely(ret == -EAGAIN))
349 ret = ttm_bo_wait_unreserved(&nvbo->bo, true);
350 drm_gem_object_unreference_unlocked(gem);
352 if (ret != -ERESTARTSYS)
353 NV_ERROR(dev, "fail reserve\n");
359 b->user_priv = (uint64_t)(unsigned long)nvbo;
360 nvbo->reserved_by = file_priv;
361 nvbo->pbbo_index = i;
362 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
363 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
364 list_add_tail(&nvbo->entry, &op->both_list);
366 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
367 list_add_tail(&nvbo->entry, &op->vram_list);
369 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
370 list_add_tail(&nvbo->entry, &op->gart_list);
372 NV_ERROR(dev, "invalid valid domains: 0x%08x\n",
374 list_add_tail(&nvbo->entry, &op->both_list);
375 validate_fini(op, NULL);
384 validate_sync(struct nouveau_channel *chan, struct nouveau_bo *nvbo)
386 struct nouveau_fence *fence = NULL;
389 spin_lock(&nvbo->bo.bdev->fence_lock);
390 if (nvbo->bo.sync_obj)
391 fence = nouveau_fence_ref(nvbo->bo.sync_obj);
392 spin_unlock(&nvbo->bo.bdev->fence_lock);
395 ret = nouveau_fence_sync(fence, chan);
396 nouveau_fence_unref(&fence);
403 validate_list(struct nouveau_channel *chan, struct list_head *list,
404 struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr)
406 struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
407 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
408 (void __force __user *)(uintptr_t)user_pbbo_ptr;
409 struct drm_device *dev = chan->dev;
410 struct nouveau_bo *nvbo;
413 list_for_each_entry(nvbo, list, entry) {
414 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
416 ret = validate_sync(chan, nvbo);
418 NV_ERROR(dev, "fail pre-validate sync\n");
422 ret = nouveau_gem_set_domain(nvbo->gem, b->read_domains,
426 NV_ERROR(dev, "fail set_domain\n");
430 nvbo->channel = (b->read_domains & (1 << 31)) ? NULL : chan;
431 ret = nouveau_bo_validate(nvbo, true, false, false);
432 nvbo->channel = NULL;
434 if (ret != -ERESTARTSYS)
435 NV_ERROR(dev, "fail ttm_validate\n");
439 ret = validate_sync(chan, nvbo);
441 NV_ERROR(dev, "fail post-validate sync\n");
445 if (dev_priv->card_type < NV_50) {
446 if (nvbo->bo.offset == b->presumed.offset &&
447 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
448 b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
449 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
450 b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
453 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
454 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
456 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
457 b->presumed.offset = nvbo->bo.offset;
458 b->presumed.valid = 0;
461 if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed,
462 &b->presumed, sizeof(b->presumed)))
471 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
472 struct drm_file *file_priv,
473 struct drm_nouveau_gem_pushbuf_bo *pbbo,
474 uint64_t user_buffers, int nr_buffers,
475 struct validate_op *op, int *apply_relocs)
477 struct drm_device *dev = chan->dev;
480 INIT_LIST_HEAD(&op->vram_list);
481 INIT_LIST_HEAD(&op->gart_list);
482 INIT_LIST_HEAD(&op->both_list);
487 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
489 if (ret != -ERESTARTSYS)
490 NV_ERROR(dev, "validate_init\n");
494 ret = validate_list(chan, &op->vram_list, pbbo, user_buffers);
495 if (unlikely(ret < 0)) {
496 if (ret != -ERESTARTSYS)
497 NV_ERROR(dev, "validate vram_list\n");
498 validate_fini(op, NULL);
503 ret = validate_list(chan, &op->gart_list, pbbo, user_buffers);
504 if (unlikely(ret < 0)) {
505 if (ret != -ERESTARTSYS)
506 NV_ERROR(dev, "validate gart_list\n");
507 validate_fini(op, NULL);
512 ret = validate_list(chan, &op->both_list, pbbo, user_buffers);
513 if (unlikely(ret < 0)) {
514 if (ret != -ERESTARTSYS)
515 NV_ERROR(dev, "validate both_list\n");
516 validate_fini(op, NULL);
521 *apply_relocs = relocs;
526 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
529 void __user *userptr = (void __force __user *)(uintptr_t)user;
531 mem = kmalloc(nmemb * size, GFP_KERNEL);
533 return ERR_PTR(-ENOMEM);
535 if (DRM_COPY_FROM_USER(mem, userptr, nmemb * size)) {
537 return ERR_PTR(-EFAULT);
544 nouveau_gem_pushbuf_reloc_apply(struct drm_device *dev,
545 struct drm_nouveau_gem_pushbuf *req,
546 struct drm_nouveau_gem_pushbuf_bo *bo)
548 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
552 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
554 return PTR_ERR(reloc);
556 for (i = 0; i < req->nr_relocs; i++) {
557 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
558 struct drm_nouveau_gem_pushbuf_bo *b;
559 struct nouveau_bo *nvbo;
562 if (unlikely(r->bo_index > req->nr_buffers)) {
563 NV_ERROR(dev, "reloc bo index invalid\n");
568 b = &bo[r->bo_index];
569 if (b->presumed.valid)
572 if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
573 NV_ERROR(dev, "reloc container bo index invalid\n");
577 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
579 if (unlikely(r->reloc_bo_offset + 4 >
580 nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
581 NV_ERROR(dev, "reloc outside of bo\n");
586 if (!nvbo->kmap.virtual) {
587 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
590 NV_ERROR(dev, "failed kmap for reloc\n");
593 nvbo->validate_mapped = true;
596 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
597 data = b->presumed.offset + r->data;
599 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
600 data = (b->presumed.offset + r->data) >> 32;
604 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
605 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
611 spin_lock(&nvbo->bo.bdev->fence_lock);
612 ret = ttm_bo_wait(&nvbo->bo, false, false, false);
613 spin_unlock(&nvbo->bo.bdev->fence_lock);
615 NV_ERROR(dev, "reloc wait_idle failed: %d\n", ret);
619 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
627 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
628 struct drm_file *file_priv)
630 struct drm_nouveau_private *dev_priv = dev->dev_private;
631 struct drm_nouveau_gem_pushbuf *req = data;
632 struct drm_nouveau_gem_pushbuf_push *push;
633 struct drm_nouveau_gem_pushbuf_bo *bo;
634 struct nouveau_channel *chan;
635 struct validate_op op;
636 struct nouveau_fence *fence = NULL;
637 int i, j, ret = 0, do_reloc = 0;
639 chan = nouveau_channel_get(file_priv, req->channel);
641 return PTR_ERR(chan);
643 req->vram_available = dev_priv->fb_aper_free;
644 req->gart_available = dev_priv->gart_info.aper_free;
645 if (unlikely(req->nr_push == 0))
648 if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
649 NV_ERROR(dev, "pushbuf push count exceeds limit: %d max %d\n",
650 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
651 nouveau_channel_put(&chan);
655 if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
656 NV_ERROR(dev, "pushbuf bo count exceeds limit: %d max %d\n",
657 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
658 nouveau_channel_put(&chan);
662 if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
663 NV_ERROR(dev, "pushbuf reloc count exceeds limit: %d max %d\n",
664 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
665 nouveau_channel_put(&chan);
669 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
671 nouveau_channel_put(&chan);
672 return PTR_ERR(push);
675 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
678 nouveau_channel_put(&chan);
682 /* Mark push buffers as being used on PFIFO, the validation code
683 * will then make sure that if the pushbuf bo moves, that they
684 * happen on the kernel channel, which will in turn cause a sync
685 * to happen before we try and submit the push buffer.
687 for (i = 0; i < req->nr_push; i++) {
688 if (push[i].bo_index >= req->nr_buffers) {
689 NV_ERROR(dev, "push %d buffer not in list\n", i);
694 bo[push[i].bo_index].read_domains |= (1 << 31);
697 /* Validate buffer list */
698 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
699 req->nr_buffers, &op, &do_reloc);
701 if (ret != -ERESTARTSYS)
702 NV_ERROR(dev, "validate: %d\n", ret);
706 /* Apply any relocations that are required */
708 ret = nouveau_gem_pushbuf_reloc_apply(dev, req, bo);
710 NV_ERROR(dev, "reloc apply: %d\n", ret);
715 if (chan->dma.ib_max) {
716 ret = nouveau_dma_wait(chan, req->nr_push + 1, 6);
718 NV_INFO(dev, "nv50cal_space: %d\n", ret);
722 for (i = 0; i < req->nr_push; i++) {
723 struct nouveau_bo *nvbo = (void *)(unsigned long)
724 bo[push[i].bo_index].user_priv;
726 nv50_dma_push(chan, nvbo, push[i].offset,
730 if (dev_priv->chipset >= 0x25) {
731 ret = RING_SPACE(chan, req->nr_push * 2);
733 NV_ERROR(dev, "cal_space: %d\n", ret);
737 for (i = 0; i < req->nr_push; i++) {
738 struct nouveau_bo *nvbo = (void *)(unsigned long)
739 bo[push[i].bo_index].user_priv;
740 struct drm_mm_node *mem = nvbo->bo.mem.mm_node;
742 OUT_RING(chan, ((mem->start << PAGE_SHIFT) +
743 push[i].offset) | 2);
747 ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
749 NV_ERROR(dev, "jmp_space: %d\n", ret);
753 for (i = 0; i < req->nr_push; i++) {
754 struct nouveau_bo *nvbo = (void *)(unsigned long)
755 bo[push[i].bo_index].user_priv;
756 struct drm_mm_node *mem = nvbo->bo.mem.mm_node;
759 cmd = chan->pushbuf_base + ((chan->dma.cur + 2) << 2);
761 if (unlikely(cmd != req->suffix0)) {
762 if (!nvbo->kmap.virtual) {
763 ret = ttm_bo_kmap(&nvbo->bo, 0,
771 nvbo->validate_mapped = true;
774 nouveau_bo_wr32(nvbo, (push[i].offset +
775 push[i].length - 8) / 4, cmd);
778 OUT_RING(chan, ((mem->start << PAGE_SHIFT) +
779 push[i].offset) | 0x20000000);
781 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
786 ret = nouveau_fence_new(chan, &fence, true);
788 NV_ERROR(dev, "error fencing pushbuf: %d\n", ret);
794 validate_fini(&op, fence);
795 nouveau_fence_unref(&fence);
802 if (chan->dma.ib_max) {
803 req->suffix0 = 0x00000000;
804 req->suffix1 = 0x00000000;
806 if (dev_priv->chipset >= 0x25) {
807 req->suffix0 = 0x00020000;
808 req->suffix1 = 0x00000000;
810 req->suffix0 = 0x20000000 |
811 (chan->pushbuf_base + ((chan->dma.cur + 2) << 2));
812 req->suffix1 = 0x00000000;
815 nouveau_channel_put(&chan);
819 static inline uint32_t
820 domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain)
824 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
825 flags |= TTM_PL_FLAG_VRAM;
826 if (domain & NOUVEAU_GEM_DOMAIN_GART)
827 flags |= TTM_PL_FLAG_TT;
833 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
834 struct drm_file *file_priv)
836 struct drm_nouveau_gem_cpu_prep *req = data;
837 struct drm_gem_object *gem;
838 struct nouveau_bo *nvbo;
839 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
842 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
845 nvbo = nouveau_gem_object(gem);
847 spin_lock(&nvbo->bo.bdev->fence_lock);
848 ret = ttm_bo_wait(&nvbo->bo, true, true, no_wait);
849 spin_unlock(&nvbo->bo.bdev->fence_lock);
850 drm_gem_object_unreference_unlocked(gem);
855 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
856 struct drm_file *file_priv)
862 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
863 struct drm_file *file_priv)
865 struct drm_nouveau_gem_info *req = data;
866 struct drm_gem_object *gem;
869 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
873 ret = nouveau_gem_info(file_priv, gem, req);
874 drm_gem_object_unreference_unlocked(gem);