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Commit e1bbc4bf authored by Dave Airlie's avatar Dave Airlie
Browse files

nouveau: add stub dma-buf mmap functionality. 



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

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 2dad9d4d

drivers/gpu/drm/nouveau/nouveau_prime.c

+6 −0
Original line number Diff line number Diff line
@@ -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 =  {

	.map_dma_buf = nouveau_gem_map_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,

	.kunmap = nouveau_gem_kunmap,

	.kunmap_atomic = nouveau_gem_kunmap_atomic,

	.mmap = nouveau_gem_prime_mmap,

};



static int