Re: [Intel-gfx] [PATCH v4 1/3] drm/i915/gt: Ignore TLB invalidations on idle engines

2022-05-11 Thread Tvrtko Ursulin
On 11/05/2022 02:11, Andi Shyti wrote: From: Chris Wilson As an extension of the current skip TLB invalidations if the device is powered down, we recognised that prior to any engine activity, all the TLBs are explicitly invalidated. Thus anytime we know the engine is asleep, we can skip inval

[PATCH v4 1/3] drm/i915/gt: Ignore TLB invalidations on idle engines

2022-05-10 Thread Andi Shyti
From: Chris Wilson As an extension of the current skip TLB invalidations if the device is powered down, we recognised that prior to any engine activity, all the TLBs are explicitly invalidated. Thus anytime we know the engine is asleep, we can skip invalidating the TLBs on that engine. Signed-of