[Bug 112377] [TGL] media VME encoding GPU hang w/o i915 error state captured

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=112377

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
Forced preemption occurs when a lower priority batch does not yield the GPU to
a higher preemption request [which is a denial-of-service from one and a
quality-of-service guarantee for the other], over a certain timeout. See
DRM_I915_PREEMPT_TIMEOUT. The plan is to have that property on the engine, but
that is waiting for you to ack, so currently the override is i915.reset=2.

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