Re: [Intel-gfx] [PATCH v2 2/2] drm/i915/g4x: Improve gpu reset reliability

2017-05-19 Thread Mika Kuoppala
Chris Wilson writes: > On Thu, May 18, 2017 at 05:28:41PM +0300, Mika Kuoppala wrote: >> ELK seems to very picky about the preconditions to reset. >> Evidence on Eaglelake (8086:2e12 (rev 03)) shows that it does >> not like if reset occurs when there is active ring. >> >> Ville found out that th

Re: [Intel-gfx] [PATCH v2 2/2] drm/i915/g4x: Improve gpu reset reliability

2017-05-18 Thread Chris Wilson
On Thu, May 18, 2017 at 05:28:41PM +0300, Mika Kuoppala wrote: > ELK seems to very picky about the preconditions to reset. > Evidence on Eaglelake (8086:2e12 (rev 03)) shows that it does > not like if reset occurs when there is active ring. > > Ville found out that there is workaround with name >

[Intel-gfx] [PATCH v2 2/2] drm/i915/g4x: Improve gpu reset reliability

2017-05-18 Thread Mika Kuoppala
ELK seems to very picky about the preconditions to reset. Evidence on Eaglelake (8086:2e12 (rev 03)) shows that it does not like if reset occurs when there is active ring. Ville found out that there is workaround with name 'WaMediaResetMainRingCleanup' which suggests that we need to cleanup rings