Subject: Re: [PATCH v2] matroxfb: remove incorrect Matrox G200eV support
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: djwong@us.ibm.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        Gary Hade <garyhade@us.ibm.com>, linux-fbdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, Krzysztof Helt <krzysztof.h1@wp.pl>,
        Petr Vandrovec <vandrove@vc.cvut.cz>,
        Andrew Morton <akpm@linux-foundation.org>
In-Reply-To: <20110304202905.GB27190@tux1.beaverton.ibm.com>
References: <20110301175026.GA18770@us.ibm.com>
	 <AANLkTikwSXN8VgDaoUqfHcxoTNxW9uA4D2fUtRLuLbHo@mail.gmail.com>
	 <20110304202905.GB27190@tux1.beaverton.ibm.com>
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Date: Mon, 07 Mar 2011 19:59:16 +1100
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On Fri, 2011-03-04 at 12:29 -0800, Darrick J. Wong wrote:
> This is all quite strange -- 2.5 years ago when I wrote the patch it
> seemed to
> work ok.  On newer revisions of the x3650M2 it seems broken.  The
> original
> machine I wrote it for was cut up ages ago.
> 
> I suppose we could simply blacklist any G200eV with a subsystem vendor
> ID of
> 0x1014 (IBM) until we figure out how to correct the driver.  Our
> customers will
> be deprived, but as it seems to be broken across most of our product
> lines I
> doubt any of them are making serious use of it anyway. :)
> 
> Something like this? 

Does X work with the open source drivers ? In that case a better
approach would be to try to figure out what's different between the way
the 2 drivers setup the card registers and fix matroxfb..

Cheers,
Ben.


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