linux-kernel - Re: [PATCH] drm: Fix support for PCI domains

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Date:	Fri, 06 Aug 2010 09:11:47 +0200
From:	Michel Dänzer <michel@...nzer.net>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Dave Airlie <airlied@...il.com>, dri-devel@...ts.sourceforge.net,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm: Fix support for PCI domains

On Fre, 2010-08-06 at 13:55 +1000, Benjamin Herrenschmidt wrote: 
> (For some reason I thought that went in ages ago ...)
> 
> This fixes support for PCI domains in what should hopefully be a backward
> compatible way along with a change to libdrm.
> 
> When the interface version is set to 1.4, we assume userspace understands
> domains and the world is at peace. We thus pass proper domain numbers
> instead of 0 to userspace.
> 
> The newer libdrm will then try 1.4 first, and fallback to 1.1, along with
> ignoring domains in the later case (well, except on alpha of course)
> 
> Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>

Reviewed-by: Michel Dänzer <michel@...nzer.net>

Thanks for tackling this, Ben!


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer
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