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drm/amdgpu: Add put fence in amdgpu_fence_driver_clear_job_fences

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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>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky 2022-06-20 13:08:52 -04:00 • committed by Alex Deucher
parent 5c4904ac34
commit dd70748eda
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
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@ -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);
}
}
}