linux-kernel - Re: radeonfb and X800 cards

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Message-Id: <1179451612.32247.329.camel@localhost.localdomain>
Date:	Fri, 18 May 2007 11:26:52 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Fabio Comolli <fabio.comolli@...il.com>
Cc:	Luca Tettamanti <kronos.it@...il.com>,
	Daniel Drake <dsd@...too.org>,
	linux list <linux-kernel@...r.kernel.org>, Jimmy.Jazz@....net
Subject: Re: radeonfb and X800 cards

On Thu, 2007-05-17 at 22:29 +0200, Fabio Comolli wrote:

> Is there a reason why this patch can't go upstream?

Yes. A change of that magnitude will most certainly introduce
regressions. So we can either:

 - Have it in -mm for monthes trying to iron out all of them (and we'll
miss some). And struggle also since it's hard to track subtle
regressions with very big patches.

 - Have it split in smaller bits, which make it possible to bisect in
case of problem, and thus find/correct problems much faster.

That's my main issue with it at this point. But I'm ok going for route
#1 provided that you guys are willing to help with tracking regressions
down. That also mean I need to do some serious testing on powermacs
since those rely very heavily on a working radeonfb.

Ben.


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