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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 7429b20257a6..72085a3ef53c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -147,7 +147,7 @@ void amdgpu_ring_commit(struct amdgpu_ring *ring)
 	count %= ring->funcs->align_mask + 1;
 	ring->funcs->insert_nop(ring, count);
 
-	mb();
+	smp_wmb();
 	amdgpu_ring_set_wptr(ring);
 
 	if (ring->funcs->end_use)