Chris Wilson writes:
> As we no longer have a precise indication of requests queued to an
> engine, make no presumptions and just sample the ring registers to see
> if the engine is busy.
>
> v2: Report busy while the ring is idling on a semaphore/event.
> v3: Give the struct a name!
> v4: Always
As we no longer have a precise indication of requests queued to an
engine, make no presumptions and just sample the ring registers to see
if the engine is busy.
v2: Report busy while the ring is idling on a semaphore/event.
v3: Give the struct a name!
v4: Always 0 outside the powerwell; trusting t
