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amdgpu: add zero timeout check in amdgpu_cs_query_fence_status 

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
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Jack Xiao 2015-06-04 10:41:24 +08:00 committed by Alex Deucher
parent 76af5c249f
commit b9ef29d1be
1 changed files with 5 additions and 0 deletions
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5
amdgpu/amdgpu_cs.c
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@ -396,6 +396,11 @@ int amdgpu_cs_query_fence_status(struct amdgpu_cs_query_fence *fence,
return 0;
}
if (fence->timeout_ns == 0) {
pthread_mutex_unlock(&context->sequence_mutex);
return 0;
}
pthread_mutex_unlock(&context->sequence_mutex);
r = amdgpu_ioctl_wait_cs(context, ip_type, ip_instance, ring,