This allows using amdgpu_sync even without peeking into the fences for a
long time.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index 86c17a8946f5..bfe12164d27d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -135,11 +135,16 @@ static bool amdgpu_sync_add_later(struct amdgpu_sync *sync, struct dma_fence *f)
struct amdgpu_sync_entry *e;
hash_for_each_possible(sync->fences, e, node, f->context) {
- if (unlikely(e->fence->context != f->context))
- continue;
+ if (dma_fence_is_signaled(e->fence)) {
+ dma_fence_put(e->fence);
+ e->fence = dma_fence_get(f);
+ return true;
+ }
- amdgpu_sync_keep_later(&e->fence, f);
- return true;
+ if (likely(e->fence->context == f->context)) {
+ amdgpu_sync_keep_later(&e->fence, f);
+ return true;
+ }
}
return false;
}
--
2.34.1
