From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from turing-police.cc.vt.edu (turing-police.cc.vt.edu [128.173.14.107]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "foo-bar-baz.cc.vt.edu", Issuer "foo-bar-baz.cc.vt.edu" (not verified)) by ozlabs.org (Postfix) with ESMTP id 7E1EBDDF30 for ; Tue, 19 Feb 2008 05:31:22 +1100 (EST) To: Krzysztof Helt Subject: Re: [Linux-fbdev-devel] [PATCH 1/2] fb: add support for foreign endianness In-Reply-To: Your message of "Mon, 18 Feb 2008 08:18:47 +0100." <20080218081847.e9e65f2f.krzysztof.h1@poczta.fm> From: Valdis.Kletnieks@vt.edu References: <20080205154432.GA8749@localhost.localdomain> <20080214224942.a0cb6218.akpm@linux-foundation.org> <20080215164542.GB16810@localhost.localdomain> <20080218081847.e9e65f2f.krzysztof.h1@poczta.fm> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1203355811_2991P"; micalg=pgp-sha1; protocol="application/pgp-signature" Date: Mon, 18 Feb 2008 12:30:11 -0500 Message-ID: <19805.1203355811@turing-police.cc.vt.edu> Cc: linux-fbdev-devel@lists.sourceforge.net, adaplas@gmail.com, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, Geert Uytterhoeven , Andrew Morton List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --==_Exmh_1203355811_2991P Content-Type: text/plain; charset=us-ascii 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? --==_Exmh_1203355811_2991P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFHucCjcC3lWbTT17ARAs3WAJsF9CsHmgfsLvqldWPilbhoVFS5NACfTFrJ i5E2PGuWzLogM8fqDx25xCo= =be6Y -----END PGP SIGNATURE----- --==_Exmh_1203355811_2991P--