[PATCH] drm/amdgpu: Deactivate SW interrupt fallback in amdgpu_fence_process

[Andrey Grodzovsky]

Deactivate SW interrupt fallback when all emited fences are completed.
Also switch interrupt SW fallback message from INFO to WARN.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>
Suggested-by: Christian Konig <Christian.Koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 1ae2583..9512248 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -231,6 +231,8 @@ void amdgpu_fence_process(struct amdgpu_ring *ring)
 
 	if (seq != ring->fence_drv.sync_seq)
 		amdgpu_fence_schedule_fallback(ring);
+	else
+		del_timer(&ring->fence_drv.fallback_timer);
 
 	if (unlikely(seq == last_seq))
 		return;
@@ -274,7 +276,7 @@ static void amdgpu_fence_fallback(struct timer_list *t)
 	struct amdgpu_ring *ring = from_timer(ring, t,
 					      fence_drv.fallback_timer);
 
-	DRM_INFO("Fallback to SW interrupt on ring %s due to HW interrupt time out", ring->name);
+	DRM_WARN("Fallback to SW interrupt on ring %s due to HW interrupt time out", ring->name);
 	amdgpu_fence_process(ring);
 }
 
-- 
2.7.4