[Intel-gfx] Forced preemption gedankenexperiment

Chris Wilson chris at chris-wilson.co.uk
Mon Mar 26 11:50:33 UTC 2018

Following the discussion of how should the timer be controlled, I wired
up one option which ended up with passing control to the caller letting
us use the forced-preemption for interactive uses (delay by more than a
frame and you get a fast reset!) as well whatever userspace desires.

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