linux-kernel - Re: [PATCH]: radeonfb: Fix copyarea for R300 and later.

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Message-Id: <1218060569.24157.241.camel@pasglop>
Date:	Thu, 07 Aug 2008 08:09:29 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	David Miller <davem@...emloft.net>, linux-kernel@...r.kernel.org,
	stable@...nel.org
Subject: Re: [PATCH]: radeonfb: Fix copyarea for R300 and later.

On Wed, 2008-08-06 at 08:43 -0700, Andrew Morton wrote:
> On Wed, 06 Aug 2008 00:35:36 -0700 (PDT) David Miller <davem@...emloft.net> wrote:
> 
> > [ Andrew/Ben, this fixes the bootup hang we were talking about
> >   the other day. ]
> > 
> > radeonfb: Fix copyarea for R300 and later.
> > 
> > For current chips we need to make sure the DSTCACHE_CTLSTAT and
> > WAIT_UNTIL registers are properly setup.  If not, a sequence of
> > copyarea operations can result in the 2D raster processor
> > hanging.
> 
> Neato.  This can be backported to -stable without also backporting your
> recent radeon-misc-corrections.patch, I assume?

I'd rather do both. The first one affects the bits used by the second.

Ben.


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