From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Gerhard Pircher <gerhard_pircher@gmx.net>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs.org>
Subject: Re: Does DRI/DRM still work on non-coherent DMA platforms?
Date: Tue, 10 Mar 2009 11:07:16 +1100 [thread overview]
Message-ID: <1236643636.7260.198.camel@pasglop> (raw)
In-Reply-To: <20090309213034.192330@gmx.net>
On Mon, 2009-03-09 at 22:30 +0100, Gerhard Pircher wrote:
> Hi,
>
> I heard rumors that DRI doesn't work on SAM440EP (onboard Radeon GPU)
> boards. I had DRI halfway working on my AmigaOne (Radeon 9250) with an
> early release candidate of the 2.6.25 kernel and IIRC this patch here
> (manually applied):
> http://kerneltrap.org/index.php?q=mailarchive/git-commits-head/2008/3/30/1301044
>
> I just tested DRI again on my A1 (I don't have a SAM board) with
> v2.6.29-rc6 and the machine looks up while starting the X server.
> Curiously DRI seems to work, if I specify "udbg-immortal" on the
> kernel command line and enable DRM debugging.
> Did anyone try out DRI on a non-coherent DMA PPC platform and can
> confirm that it still works?
It should work... try using dri-next branch from airlied tree, I had
that working on a Canyonlands after DaveM and I fixed a whole bunch of
issues. Also make sure you use the latest X side driver too.
Cheers,
Ben.
prev parent reply other threads:[~2009-03-10 0:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-09 21:30 Does DRI/DRM still work on non-coherent DMA platforms? Gerhard Pircher
2009-03-10 0:07 ` Benjamin Herrenschmidt [this message]
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