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radeon: add stub dma-buf mmap functionality

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This just adds a stub until we have pieces in place to test
a correct one.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2012-05-29 15:12:24 +01:00
parent e1bbc4bff9
commit 946c7491b3
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/radeon/radeon_prime.c
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@ -85,6 +85,11 @@ static void radeon_gem_kunmap(struct dma_buf *dma_buf, unsigned long page_num, v
}
static int radeon_gem_prime_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)
{
return -EINVAL;
}
const static struct dma_buf_ops radeon_dmabuf_ops = {
.map_dma_buf = radeon_gem_map_dma_buf,
.unmap_dma_buf = radeon_gem_unmap_dma_buf,
@ -93,6 +98,7 @@ const static struct dma_buf_ops radeon_dmabuf_ops = {
.kmap_atomic = radeon_gem_kmap_atomic,
.kunmap = radeon_gem_kunmap,
.kunmap_atomic = radeon_gem_kunmap_atomic,
.mmap = radeon_gem_prime_mmap,
};
static int radeon_prime_create(struct drm_device *dev,