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Commit 2dad9d4d authored by Dave Airlie's avatar Dave Airlie
Browse files

i915: add stub dma-buf mmap callback. 



This just adds a stub for now, until we have some users in
place to test this functionality properly.

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent af56e0aa

drivers/gpu/drm/i915/i915_gem_dmabuf.c

+6 −0
Original line number Diff line number Diff line
@@ -93,6 +93,11 @@ static void i915_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_n 


}



static int i915_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)

{

	return -EINVAL;

}



static const struct dma_buf_ops i915_dmabuf_ops =  {

	.map_dma_buf = i915_gem_map_dma_buf,

	.unmap_dma_buf = i915_gem_unmap_dma_buf,
@@ -101,6 +106,7 @@ static const struct dma_buf_ops i915_dmabuf_ops = { 
	.kmap_atomic = i915_gem_dmabuf_kmap_atomic,

	.kunmap = i915_gem_dmabuf_kunmap,

	.kunmap_atomic = i915_gem_dmabuf_kunmap_atomic,

	.mmap = i915_gem_dmabuf_mmap,

};



struct dma_buf *i915_gem_prime_export(struct drm_device *dev,