This function should drop the fence refcount when it extracts the fence from the fence array, just as it's done in amdgpu_fence_process.
Signed-off-by: Andrey Grodzovsky andrey.grodzovsky@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 957437a5558c..a9ae3beaa1d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -595,8 +595,10 @@ void amdgpu_fence_driver_clear_job_fences(struct amdgpu_ring *ring) for (i = 0; i <= ring->fence_drv.num_fences_mask; i++) { ptr = &ring->fence_drv.fences[i]; old = rcu_dereference_protected(*ptr, 1); - if (old && old->ops == &amdgpu_job_fence_ops) + if (old && old->ops == &amdgpu_job_fence_ops) { RCU_INIT_POINTER(*ptr, NULL); + dma_fence_put(old); + } } }