When a device driver is snooping the CPU cache during access we assume that all importers need to be able to snoop the CPU cache as well.
Signed-off-by: Christian König christian.koenig@amd.com --- drivers/gpu/drm/drm_prime.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 20e109a802ae..d5c70b6fe8a4 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -28,6 +28,7 @@
#include <linux/export.h> #include <linux/dma-buf.h> +#include <linux/dma-map-ops.h> #include <linux/rbtree.h> #include <linux/module.h>
@@ -889,6 +890,7 @@ struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj, .size = obj->size, .flags = flags, .priv = obj, + .coherent = dev_is_dma_coherent(dev->dev), .resv = obj->resv, };