From: Christian König <christian.koenig@xxxxxxx>
A little fallout from "drm/amdgpu: sanitize fence numbers", we
sometimes need to signal all fences in the ring.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index e320b5b..0b109ae 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -204,10 +204,13 @@ void amdgpu_fence_process(struct amdgpu_ring *ring)
if (seq != ring->fence_drv.sync_seq)
amdgpu_fence_schedule_fallback(ring);
+ if (unlikely(seq == last_seq))
+ return;
+
last_seq &= drv->num_fences_mask;
seq &= drv->num_fences_mask;
- while (last_seq != seq) {
+ do {
struct fence *fence, **ptr;
++last_seq;
@@ -228,7 +231,7 @@ void amdgpu_fence_process(struct amdgpu_ring *ring)
BUG();
fence_put(fence);
- }
+ } while (last_seq != seq);
}
/**
--
2.5.0
