linux-kernel - Re: [Intel-gfx] [PATCH 0/2] vgaarb: Fixes for partial VGA opt-out

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Message-ID: <20130902061950.GH9374@phenom.ffwll.local>
Date:	Mon, 2 Sep 2013 08:19:50 +0200
From:	Daniel Vetter <daniel@...ll.ch>
To:	Ville Syrjälä <ville.syrjala@...ux.intel.com>
Cc:	Alex Williamson <alex.williamson@...hat.com>, airlied@...hat.com,
	intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [Intel-gfx] [PATCH 0/2] vgaarb: Fixes for partial VGA opt-out

On Fri, Aug 30, 2013 at 03:41:19PM +0300, Ville Syrjälä wrote:
> On Thu, Aug 15, 2013 at 04:37:47PM -0600, Alex Williamson wrote:
> > I'm trying to add support for VGA arbitration on newer Intel graphics
> > devices.  The existing code attempts to do this, but appear to have
> > not been updated since GMCH devices roamed the Earth.  On newer
> > devices like Haswell, we can disable VGA memory through an MSR on the
> > device, but we rely on the VGA arbiter to manage VGA IO using the PCI
> > COMMAND register.  In trying to unregister legacy VGA memory, I found
> > that the VGA arbiter still wanted to disable both memory and IO on
> > the device and that it forgot to actually program the device to
> > disable IO when the decoding is updated.  This series attempts to fix
> > both of those.  Thanks,
> 
> The series looks good to me.
> 
> Reviewed-by: Ville Syrjälä <ville.syrjala@...ux.intel.com>

Merged to dinq with Dave's irc-ack. I'll shuffle my tree a bit so that
this will be part of my 3.12 latecomers pull request to Dave.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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