to_wait
b->irq_wait = to_wait(next);
wake_up_process(to_wait(next)->tsk);
if (wait->seqno == to_wait(parent)->seqno) {
if (wait->tsk->prio > to_wait(parent)->tsk->prio) {
to_wait(parent)->seqno)) {
if (i915_seqno_passed(seqno, to_wait(parent)->seqno))
struct intel_wait *crumb = to_wait(completed);
return rb && to_wait(rb)->tsk->prio <= priority;
while (i915_seqno_passed(seqno, to_wait(next)->seqno)) {
__intel_breadcrumbs_finish(b, to_wait(next));