From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vasily Khoruzhick <anarsoul@gmail.com>
Subject: Re: [PATCH] drm/i915: Use PM QoS to prevent C-state
	memory starvation of the GPU
Date: Wed, 8 Dec 2010 19:00:17 +0200
Message-ID: <201012081900.17607.anarsoul@gmail.com>
References: <20100921202607.2b46ffca@gmail.com>
	<201012081844.42123.anarsoul@gmail.com>
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To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org, Paolo Ornati <ornati@gmail.com>
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On Wednesday 08 December 2010 18:54:21 Chris Wilson wrote:
> On Wed, 8 Dec 2010 18:44:41 +0200, Vasily Khoruzhick <anarsoul@gmail.com> 
wrote:
> > On Wednesday 08 December 2010 18:24:35 Chris Wilson wrote:
> > > This is just a preliminary attempt to see if this even helps. Obviously
> > > some more effort will need to be spent investigating a better choice of
> > > latency and when we need to request it, but first: does this help?
> > 
> > Sorry, but it does not. glxgears is still jerky.
> 
> I thought we were trying to fix the reported framerate?

Yep, it reports 20-30 instead of 60

> Try adjusting the
> request max latency down from 20 to 1, or even 0.

Will try.

Regards
Vasily