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.
26 #include <linux/dma-buf.h>
30 #include "nouveau_drv.h"
31 #include <nouveau_drm.h>
32 #include "nouveau_dma.h"
33 #include "nouveau_fence.h"
35 #define nouveau_gem_pushbuf_sync(chan) 0
38 nouveau_gem_object_new(struct drm_gem_object *gem)
44 nouveau_gem_object_del(struct drm_gem_object *gem)
46 struct nouveau_bo *nvbo = gem->driver_private;
47 struct ttm_buffer_object *bo = &nvbo->bo;
53 if (unlikely(nvbo->pin_refcnt)) {
55 nouveau_bo_unpin(nvbo);
58 if (gem->import_attach)
59 drm_prime_gem_destroy(gem, nvbo->bo.sg);
63 drm_gem_object_release(gem);
68 nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
70 struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
71 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
72 struct nouveau_vma *vma;
78 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
82 vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
84 vma = kzalloc(sizeof(*vma), GFP_KERNEL);
90 ret = nouveau_bo_vma_add(nvbo, fpriv->vm, vma);
100 ttm_bo_unreserve(&nvbo->bo);
105 nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
107 struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
108 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
109 struct nouveau_vma *vma;
115 ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
119 vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
121 if (--vma->refcount == 0) {
122 nouveau_bo_vma_del(nvbo, vma);
126 ttm_bo_unreserve(&nvbo->bo);
130 nouveau_gem_new(struct drm_device *dev, int size, int align, uint32_t domain,
131 uint32_t tile_mode, uint32_t tile_flags,
132 struct nouveau_bo **pnvbo)
134 struct drm_nouveau_private *dev_priv = dev->dev_private;
135 struct nouveau_bo *nvbo;
139 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
140 flags |= TTM_PL_FLAG_VRAM;
141 if (domain & NOUVEAU_GEM_DOMAIN_GART)
142 flags |= TTM_PL_FLAG_TT;
143 if (!flags || domain & NOUVEAU_GEM_DOMAIN_CPU)
144 flags |= TTM_PL_FLAG_SYSTEM;
146 ret = nouveau_bo_new(dev, size, align, flags, tile_mode,
147 tile_flags, NULL, pnvbo);
152 /* we restrict allowed domains on nv50+ to only the types
153 * that were requested at creation time. not possibly on
154 * earlier chips without busting the ABI.
156 nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_VRAM |
157 NOUVEAU_GEM_DOMAIN_GART;
158 if (dev_priv->card_type >= NV_50)
159 nvbo->valid_domains &= domain;
161 nvbo->gem = drm_gem_object_alloc(dev, nvbo->bo.mem.size);
163 nouveau_bo_ref(NULL, pnvbo);
167 nvbo->bo.persistent_swap_storage = nvbo->gem->filp;
168 nvbo->gem->driver_private = nvbo;
173 nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
174 struct drm_nouveau_gem_info *rep)
176 struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
177 struct nouveau_bo *nvbo = nouveau_gem_object(gem);
178 struct nouveau_vma *vma;
180 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
181 rep->domain = NOUVEAU_GEM_DOMAIN_GART;
183 rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
185 rep->offset = nvbo->bo.offset;
187 vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
191 rep->offset = vma->offset;
194 rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
195 rep->map_handle = nvbo->bo.addr_space_offset;
196 rep->tile_mode = nvbo->tile_mode;
197 rep->tile_flags = nvbo->tile_flags;
202 nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
203 struct drm_file *file_priv)
205 struct drm_nouveau_private *dev_priv = dev->dev_private;
206 struct drm_nouveau_gem_new *req = data;
207 struct nouveau_bo *nvbo = NULL;
210 dev_priv->ttm.bdev.dev_mapping = dev->dev_mapping;
212 if (!nvfb_flags_valid(dev, req->info.tile_flags)) {
213 NV_ERROR(dev, "bad page flags: 0x%08x\n", req->info.tile_flags);
217 ret = nouveau_gem_new(dev, req->info.size, req->align,
218 req->info.domain, req->info.tile_mode,
219 req->info.tile_flags, &nvbo);
223 ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
225 ret = nouveau_gem_info(file_priv, nvbo->gem, &req->info);
227 drm_gem_handle_delete(file_priv, req->info.handle);
230 /* drop reference from allocate - handle holds it now */
231 drm_gem_object_unreference_unlocked(nvbo->gem);
236 nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains,
237 uint32_t write_domains, uint32_t valid_domains)
239 struct nouveau_bo *nvbo = gem->driver_private;
240 struct ttm_buffer_object *bo = &nvbo->bo;
241 uint32_t domains = valid_domains & nvbo->valid_domains &
242 (write_domains ? write_domains : read_domains);
243 uint32_t pref_flags = 0, valid_flags = 0;
248 if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
249 valid_flags |= TTM_PL_FLAG_VRAM;
251 if (valid_domains & NOUVEAU_GEM_DOMAIN_GART)
252 valid_flags |= TTM_PL_FLAG_TT;
254 if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
255 bo->mem.mem_type == TTM_PL_VRAM)
256 pref_flags |= TTM_PL_FLAG_VRAM;
258 else if ((domains & NOUVEAU_GEM_DOMAIN_GART) &&
259 bo->mem.mem_type == TTM_PL_TT)
260 pref_flags |= TTM_PL_FLAG_TT;
262 else if (domains & NOUVEAU_GEM_DOMAIN_VRAM)
263 pref_flags |= TTM_PL_FLAG_VRAM;
266 pref_flags |= TTM_PL_FLAG_TT;
268 nouveau_bo_placement_set(nvbo, pref_flags, valid_flags);
274 struct list_head vram_list;
275 struct list_head gart_list;
276 struct list_head both_list;
280 validate_fini_list(struct list_head *list, struct nouveau_fence *fence)
282 struct list_head *entry, *tmp;
283 struct nouveau_bo *nvbo;
285 list_for_each_safe(entry, tmp, list) {
286 nvbo = list_entry(entry, struct nouveau_bo, entry);
288 nouveau_bo_fence(nvbo, fence);
290 if (unlikely(nvbo->validate_mapped)) {
291 ttm_bo_kunmap(&nvbo->kmap);
292 nvbo->validate_mapped = false;
295 list_del(&nvbo->entry);
296 nvbo->reserved_by = NULL;
297 ttm_bo_unreserve(&nvbo->bo);
298 drm_gem_object_unreference_unlocked(nvbo->gem);
303 validate_fini(struct validate_op *op, struct nouveau_fence* fence)
305 validate_fini_list(&op->vram_list, fence);
306 validate_fini_list(&op->gart_list, fence);
307 validate_fini_list(&op->both_list, fence);
311 validate_init(struct nouveau_channel *chan, struct drm_file *file_priv,
312 struct drm_nouveau_gem_pushbuf_bo *pbbo,
313 int nr_buffers, struct validate_op *op)
315 struct drm_device *dev = chan->dev;
316 struct drm_nouveau_private *dev_priv = dev->dev_private;
321 sequence = atomic_add_return(1, &dev_priv->ttm.validate_sequence);
323 if (++trycnt > 100000) {
324 NV_ERROR(dev, "%s failed and gave up.\n", __func__);
328 for (i = 0; i < nr_buffers; i++) {
329 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[i];
330 struct drm_gem_object *gem;
331 struct nouveau_bo *nvbo;
333 gem = drm_gem_object_lookup(dev, file_priv, b->handle);
335 NV_ERROR(dev, "Unknown handle 0x%08x\n", b->handle);
336 validate_fini(op, NULL);
339 nvbo = gem->driver_private;
341 if (nvbo->reserved_by && nvbo->reserved_by == file_priv) {
342 NV_ERROR(dev, "multiple instances of buffer %d on "
343 "validation list\n", b->handle);
344 drm_gem_object_unreference_unlocked(gem);
345 validate_fini(op, NULL);
349 ret = ttm_bo_reserve(&nvbo->bo, true, false, true, sequence);
351 validate_fini(op, NULL);
352 if (unlikely(ret == -EAGAIN))
353 ret = ttm_bo_wait_unreserved(&nvbo->bo, true);
354 drm_gem_object_unreference_unlocked(gem);
356 if (ret != -ERESTARTSYS)
357 NV_ERROR(dev, "fail reserve\n");
363 b->user_priv = (uint64_t)(unsigned long)nvbo;
364 nvbo->reserved_by = file_priv;
365 nvbo->pbbo_index = i;
366 if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
367 (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
368 list_add_tail(&nvbo->entry, &op->both_list);
370 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM)
371 list_add_tail(&nvbo->entry, &op->vram_list);
373 if (b->valid_domains & NOUVEAU_GEM_DOMAIN_GART)
374 list_add_tail(&nvbo->entry, &op->gart_list);
376 NV_ERROR(dev, "invalid valid domains: 0x%08x\n",
378 list_add_tail(&nvbo->entry, &op->both_list);
379 validate_fini(op, NULL);
388 validate_sync(struct nouveau_channel *chan, struct nouveau_bo *nvbo)
390 struct nouveau_fence *fence = NULL;
393 spin_lock(&nvbo->bo.bdev->fence_lock);
394 if (nvbo->bo.sync_obj)
395 fence = nouveau_fence_ref(nvbo->bo.sync_obj);
396 spin_unlock(&nvbo->bo.bdev->fence_lock);
399 ret = nouveau_fence_sync(fence, chan);
400 nouveau_fence_unref(&fence);
407 validate_list(struct nouveau_channel *chan, struct list_head *list,
408 struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr)
410 struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
411 struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
412 (void __force __user *)(uintptr_t)user_pbbo_ptr;
413 struct drm_device *dev = chan->dev;
414 struct nouveau_bo *nvbo;
417 list_for_each_entry(nvbo, list, entry) {
418 struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
420 ret = validate_sync(chan, nvbo);
422 NV_ERROR(dev, "fail pre-validate sync\n");
426 ret = nouveau_gem_set_domain(nvbo->gem, b->read_domains,
430 NV_ERROR(dev, "fail set_domain\n");
434 ret = nouveau_bo_validate(nvbo, true, false, false);
436 if (ret != -ERESTARTSYS)
437 NV_ERROR(dev, "fail ttm_validate\n");
441 ret = validate_sync(chan, nvbo);
443 NV_ERROR(dev, "fail post-validate sync\n");
447 if (dev_priv->card_type < NV_50) {
448 if (nvbo->bo.offset == b->presumed.offset &&
449 ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
450 b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
451 (nvbo->bo.mem.mem_type == TTM_PL_TT &&
452 b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
455 if (nvbo->bo.mem.mem_type == TTM_PL_TT)
456 b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
458 b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
459 b->presumed.offset = nvbo->bo.offset;
460 b->presumed.valid = 0;
463 if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed,
464 &b->presumed, sizeof(b->presumed)))
473 nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
474 struct drm_file *file_priv,
475 struct drm_nouveau_gem_pushbuf_bo *pbbo,
476 uint64_t user_buffers, int nr_buffers,
477 struct validate_op *op, int *apply_relocs)
479 struct drm_device *dev = chan->dev;
482 INIT_LIST_HEAD(&op->vram_list);
483 INIT_LIST_HEAD(&op->gart_list);
484 INIT_LIST_HEAD(&op->both_list);
489 ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
491 if (ret != -ERESTARTSYS)
492 NV_ERROR(dev, "validate_init\n");
496 ret = validate_list(chan, &op->vram_list, pbbo, user_buffers);
497 if (unlikely(ret < 0)) {
498 if (ret != -ERESTARTSYS)
499 NV_ERROR(dev, "validate vram_list\n");
500 validate_fini(op, NULL);
505 ret = validate_list(chan, &op->gart_list, pbbo, user_buffers);
506 if (unlikely(ret < 0)) {
507 if (ret != -ERESTARTSYS)
508 NV_ERROR(dev, "validate gart_list\n");
509 validate_fini(op, NULL);
514 ret = validate_list(chan, &op->both_list, pbbo, user_buffers);
515 if (unlikely(ret < 0)) {
516 if (ret != -ERESTARTSYS)
517 NV_ERROR(dev, "validate both_list\n");
518 validate_fini(op, NULL);
523 *apply_relocs = relocs;
528 u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
531 void __user *userptr = (void __force __user *)(uintptr_t)user;
533 mem = kmalloc(nmemb * size, GFP_KERNEL);
535 return ERR_PTR(-ENOMEM);
537 if (DRM_COPY_FROM_USER(mem, userptr, nmemb * size)) {
539 return ERR_PTR(-EFAULT);
546 nouveau_gem_pushbuf_reloc_apply(struct drm_device *dev,
547 struct drm_nouveau_gem_pushbuf *req,
548 struct drm_nouveau_gem_pushbuf_bo *bo)
550 struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
554 reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
556 return PTR_ERR(reloc);
558 for (i = 0; i < req->nr_relocs; i++) {
559 struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
560 struct drm_nouveau_gem_pushbuf_bo *b;
561 struct nouveau_bo *nvbo;
564 if (unlikely(r->bo_index > req->nr_buffers)) {
565 NV_ERROR(dev, "reloc bo index invalid\n");
570 b = &bo[r->bo_index];
571 if (b->presumed.valid)
574 if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
575 NV_ERROR(dev, "reloc container bo index invalid\n");
579 nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
581 if (unlikely(r->reloc_bo_offset + 4 >
582 nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
583 NV_ERROR(dev, "reloc outside of bo\n");
588 if (!nvbo->kmap.virtual) {
589 ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
592 NV_ERROR(dev, "failed kmap for reloc\n");
595 nvbo->validate_mapped = true;
598 if (r->flags & NOUVEAU_GEM_RELOC_LOW)
599 data = b->presumed.offset + r->data;
601 if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
602 data = (b->presumed.offset + r->data) >> 32;
606 if (r->flags & NOUVEAU_GEM_RELOC_OR) {
607 if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
613 spin_lock(&nvbo->bo.bdev->fence_lock);
614 ret = ttm_bo_wait(&nvbo->bo, false, false, false);
615 spin_unlock(&nvbo->bo.bdev->fence_lock);
617 NV_ERROR(dev, "reloc wait_idle failed: %d\n", ret);
621 nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
629 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
630 struct drm_file *file_priv)
632 struct drm_nouveau_private *dev_priv = dev->dev_private;
633 struct drm_nouveau_gem_pushbuf *req = data;
634 struct drm_nouveau_gem_pushbuf_push *push;
635 struct drm_nouveau_gem_pushbuf_bo *bo;
636 struct nouveau_channel *chan;
637 struct validate_op op;
638 struct nouveau_fence *fence = NULL;
639 int i, j, ret = 0, do_reloc = 0;
641 chan = nouveau_channel_get(file_priv, req->channel);
643 return PTR_ERR(chan);
645 req->vram_available = dev_priv->fb_aper_free;
646 req->gart_available = dev_priv->gart_info.aper_free;
647 if (unlikely(req->nr_push == 0))
650 if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
651 NV_ERROR(dev, "pushbuf push count exceeds limit: %d max %d\n",
652 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
653 nouveau_channel_put(&chan);
657 if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
658 NV_ERROR(dev, "pushbuf bo count exceeds limit: %d max %d\n",
659 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
660 nouveau_channel_put(&chan);
664 if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
665 NV_ERROR(dev, "pushbuf reloc count exceeds limit: %d max %d\n",
666 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
667 nouveau_channel_put(&chan);
671 push = u_memcpya(req->push, req->nr_push, sizeof(*push));
673 nouveau_channel_put(&chan);
674 return PTR_ERR(push);
677 bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
680 nouveau_channel_put(&chan);
684 /* Ensure all push buffers are on validate list */
685 for (i = 0; i < req->nr_push; i++) {
686 if (push[i].bo_index >= req->nr_buffers) {
687 NV_ERROR(dev, "push %d buffer not in list\n", i);
693 /* Validate buffer list */
694 ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
695 req->nr_buffers, &op, &do_reloc);
697 if (ret != -ERESTARTSYS)
698 NV_ERROR(dev, "validate: %d\n", ret);
702 /* Apply any relocations that are required */
704 ret = nouveau_gem_pushbuf_reloc_apply(dev, req, bo);
706 NV_ERROR(dev, "reloc apply: %d\n", ret);
711 if (chan->dma.ib_max) {
712 ret = nouveau_dma_wait(chan, req->nr_push + 1, 16);
714 NV_INFO(dev, "nv50cal_space: %d\n", ret);
718 for (i = 0; i < req->nr_push; i++) {
719 struct nouveau_bo *nvbo = (void *)(unsigned long)
720 bo[push[i].bo_index].user_priv;
722 nv50_dma_push(chan, nvbo, push[i].offset,
726 if (dev_priv->chipset >= 0x25) {
727 ret = RING_SPACE(chan, req->nr_push * 2);
729 NV_ERROR(dev, "cal_space: %d\n", ret);
733 for (i = 0; i < req->nr_push; i++) {
734 struct nouveau_bo *nvbo = (void *)(unsigned long)
735 bo[push[i].bo_index].user_priv;
737 OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
741 ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
743 NV_ERROR(dev, "jmp_space: %d\n", ret);
747 for (i = 0; i < req->nr_push; i++) {
748 struct nouveau_bo *nvbo = (void *)(unsigned long)
749 bo[push[i].bo_index].user_priv;
752 cmd = chan->pushbuf_base + ((chan->dma.cur + 2) << 2);
754 if (unlikely(cmd != req->suffix0)) {
755 if (!nvbo->kmap.virtual) {
756 ret = ttm_bo_kmap(&nvbo->bo, 0,
764 nvbo->validate_mapped = true;
767 nouveau_bo_wr32(nvbo, (push[i].offset +
768 push[i].length - 8) / 4, cmd);
771 OUT_RING(chan, 0x20000000 |
772 (nvbo->bo.offset + push[i].offset));
774 for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
779 ret = nouveau_fence_new(chan, &fence);
781 NV_ERROR(dev, "error fencing pushbuf: %d\n", ret);
787 validate_fini(&op, fence);
788 nouveau_fence_unref(&fence);
795 if (chan->dma.ib_max) {
796 req->suffix0 = 0x00000000;
797 req->suffix1 = 0x00000000;
799 if (dev_priv->chipset >= 0x25) {
800 req->suffix0 = 0x00020000;
801 req->suffix1 = 0x00000000;
803 req->suffix0 = 0x20000000 |
804 (chan->pushbuf_base + ((chan->dma.cur + 2) << 2));
805 req->suffix1 = 0x00000000;
808 nouveau_channel_put(&chan);
812 static inline uint32_t
813 domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain)
817 if (domain & NOUVEAU_GEM_DOMAIN_VRAM)
818 flags |= TTM_PL_FLAG_VRAM;
819 if (domain & NOUVEAU_GEM_DOMAIN_GART)
820 flags |= TTM_PL_FLAG_TT;
826 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
827 struct drm_file *file_priv)
829 struct drm_nouveau_gem_cpu_prep *req = data;
830 struct drm_gem_object *gem;
831 struct nouveau_bo *nvbo;
832 bool no_wait = !!(req->flags & NOUVEAU_GEM_CPU_PREP_NOWAIT);
835 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
838 nvbo = nouveau_gem_object(gem);
840 spin_lock(&nvbo->bo.bdev->fence_lock);
841 ret = ttm_bo_wait(&nvbo->bo, true, true, no_wait);
842 spin_unlock(&nvbo->bo.bdev->fence_lock);
843 drm_gem_object_unreference_unlocked(gem);
848 nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
849 struct drm_file *file_priv)
855 nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
856 struct drm_file *file_priv)
858 struct drm_nouveau_gem_info *req = data;
859 struct drm_gem_object *gem;
862 gem = drm_gem_object_lookup(dev, file_priv, req->handle);
866 ret = nouveau_gem_info(file_priv, gem, req);
867 drm_gem_object_unreference_unlocked(gem);