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Date: Fri, 30 Oct 2009 08:37:42 -0700
From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Andrew Lutomirski <luto@mit.edu>
Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
       dri-devel@lists.sf.net
Subject: Re: [resend] i915: high power consumption after suspend/resume
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On Fri, 30 Oct 2009 02:25:21 -0400
Andrew Lutomirski <luto@mit.edu> wrote:

> On Thu, Oct 29, 2009 at 1:40 PM, Andrew Lutomirski <luto@mit.edu>
> wrote:
> >
> > I just suspended and resumed and power consumption stayed low.  I'll
> > try and get an intel_reg_dumper diff next time I trigger this bug.
> 
> intel_reg_dumper blames RENCLK_GATE_D2.  Patch coming.
> 
> Maybe my BIOS doesn't always reset it.

Does resetting that reg get your power savings back?

-- 
Jesse Barnes, Intel Open Source Technology Center