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nouveau: add stub dma-buf mmap functionality.

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This just adds a stub until we have some users in place to test
this with.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2012-05-29 15:11:55 +01:00
parent 2dad9d4d05
commit e1bbc4bff9
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/nouveau/nouveau_prime.c
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@ -61,6 +61,11 @@ static void nouveau_gem_kunmap(struct dma_buf *dma_buf, unsigned long page_num,
} }
static int nouveau_gem_prime_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)
{
return -EINVAL;
}
static const struct dma_buf_ops nouveau_dmabuf_ops = { static const struct dma_buf_ops nouveau_dmabuf_ops = {
.map_dma_buf = nouveau_gem_map_dma_buf, .map_dma_buf = nouveau_gem_map_dma_buf,
.unmap_dma_buf = nouveau_gem_unmap_dma_buf, .unmap_dma_buf = nouveau_gem_unmap_dma_buf,
@ -69,6 +74,7 @@ static const struct dma_buf_ops nouveau_dmabuf_ops = {
.kmap_atomic = nouveau_gem_kmap_atomic, .kmap_atomic = nouveau_gem_kmap_atomic,
.kunmap = nouveau_gem_kunmap, .kunmap = nouveau_gem_kunmap,
.kunmap_atomic = nouveau_gem_kunmap_atomic, .kunmap_atomic = nouveau_gem_kunmap_atomic,
.mmap = nouveau_gem_prime_mmap,
}; };
static int static int