dma-buf: use reservation objects
This allows reservation objects to be used in dma-buf. it's required
for implementing polling support on the fences that belong to a dma-buf.
Signed-off-by: Maarten Lankhorst <[email protected]>
Acked-by: Mauro Carvalho Chehab <[email protected]> #drivers/media/v4l2-core/
Acked-by: Thomas Hellstrom <[email protected]> #drivers/gpu/drm/ttm
Acked-by: Sumit Semwal <[email protected]>
Acked-by: Daniel Vetter <[email protected]>
Signed-off-by: Vincent Stehlé <[email protected]> #drivers/gpu/drm/armada/
Signed-off-by: Greg Kroah-Hartman <[email protected]>
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 304ca8c..99d578b 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -336,7 +336,13 @@
struct dma_buf *drm_gem_prime_export(struct drm_device *dev,
struct drm_gem_object *obj, int flags)
{
- return dma_buf_export(obj, &drm_gem_prime_dmabuf_ops, obj->size, flags);
+ struct reservation_object *robj = NULL;
+
+ if (dev->driver->gem_prime_res_obj)
+ robj = dev->driver->gem_prime_res_obj(obj);
+
+ return dma_buf_export(obj, &drm_gem_prime_dmabuf_ops, obj->size,
+ flags, robj);
}
EXPORT_SYMBOL(drm_gem_prime_export);
