we can use it clear ring buffer instead of fullfill
0, which is not correct for engine
Change-Id: I89dcd7b6c4de558f9b2860209a2739c7d4af262d
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 0e57b04..3fd4ce8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -186,5 +186,12 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
unsigned ring_size, struct amdgpu_irq_src *irq_src,
unsigned irq_type);
void amdgpu_ring_fini(struct amdgpu_ring *ring);
+static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring)
+{
+ int i = 0;
+ while (i <= ring->ptr_mask)
+ ring->ring[i++] = ring->funcs->nop;
+
+}
#endif
--
2.7.4
