[PATCH 1/4] drm/amdgpu: Add new ring callback to insert memory sync

[Andrey Grodzovsky]

Used to flush and invalidate various caches.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 448c76c..ef9c444 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -171,6 +171,7 @@ struct amdgpu_ring_funcs {
 	/* Try to soft recover the ring to make the fence signal */
 	void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid);
 	int (*preempt_ib)(struct amdgpu_ring *ring);
+	void (*mem_sync)(struct amdgpu_ring *ring);
 };
 
 struct amdgpu_ring {
-- 
2.7.4