linux-kernel - Re: [Linux-fbdev-devel] [PATCH 1/2] fb: add support for foreign endianness

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Date:	Mon, 18 Feb 2008 12:30:11 -0500
From:	Valdis.Kletnieks@...edu
To:	Krzysztof Helt <krzysztof.h1@...zta.fm>
Cc:	linux-fbdev-devel@...ts.sourceforge.net,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	avorontsov@...mvista.com, linuxppc-dev@...abs.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, adaplas@...il.com
Subject: Re: [Linux-fbdev-devel] [PATCH 1/2] fb: add support for foreign endianness

On Mon, 18 Feb 2008 08:18:47 +0100, Krzysztof Helt said:
> I know two fb drivers which use endianess information (pm2fb and s3c2410fb).
> Both resolve endianess at driver level. Actually, both handle it by setting special
> bits so the graphics chip itself reorder bytes to transform foreign endianess. 
> I understand that this patch is for chips which cannot reorder bytes by themselves.

Does anybody know of such a chip that's actually available in the wild?  Or are
we writing drivers for speculative possible chips?

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