linux-kernel - Re: [PATCH 1/5]: drm: ati_pcigart: Do not access I/O MEM space using pointer derefs.

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Message-Id: <20090214.015110.89500979.davem@davemloft.net>
Date:	Sat, 14 Feb 2009 01:51:10 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	benh@...nel.crashing.org
Cc:	airlied@...ux.ie, dri-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5]: drm: ati_pcigart: Do not access I/O MEM space
 using pointer derefs.

From: David Miller <davem@...emloft.net>
Date: Sat, 14 Feb 2009 01:11:45 -0800 (PST)

> From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Date: Sat, 14 Feb 2009 20:07:54 +1100
> 
> > We can do that by registering a surface from the kernel to cover the
> > GART I suppose, and clean things a bit so that when using the DRI, X
> > doesn't touch the surface registers -at all- and leaves it to the
> > kernel.
> 
> That actually sounds like a good idea.

Ok I have it working, patch coming right up.
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