i915_sw_fence_await
if (!i915_sw_fence_await(&pos->fence)) {
i915_sw_fence_await(&ce->guc_state.blocked);
i915_sw_fence_await(&rq->submit);
i915_sw_fence_await(&huc->delayed_load.fence);
if (!i915_sw_fence_await(fence)) {
i915_sw_fence_await(cb->fence);
i915_sw_fence_await(fence);
i915_sw_fence_await(fence);
i915_sw_fence_await(fence);
bool i915_sw_fence_await(struct i915_sw_fence *fence);