[Intel-gfx] [PATCH 3/3] drm/i915: Disable PMSI sleep messages on all rings around context switches

Daniel Vetter daniel at ffwll.ch
Tue Dec 16 02:04:16 PST 2014


On Tue, Dec 16, 2014 at 09:55:23AM +0000, Chris Wilson wrote:
> On Tue, Dec 16, 2014 at 10:19:47AM +0100, Daniel Vetter wrote:
> > Hm right, there have been patches floating around for that one ... A short
> > mention in the commit message about this would be useful.
> 
> If you notice, it was hinted at in the commit message. requests does
> deferred semaphore signalling and that was key to realising the trigger
> for the bug. I expanded upon that in v2.

I meant the power implications of waking up other gt power domains. But
really was just a minor thing.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


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