From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Krzysztof Helt" Subject: Re: how to handle MSB framebuffer in LSBkernel? Date: Tue, 14 Aug 2007 18:21:40 +0200 Message-ID: <46c1d694f0253@wp.pl> References: <46c0b3de5046e@wp.pl> <1187036133.5058.3.camel@daplas> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1IKz9R-00077m-4e for linux-fbdev-devel@lists.sourceforge.net; Tue, 14 Aug 2007 09:21:50 -0700 Received: from mx1.wp.pl ([212.77.101.5]) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1IKz9N-000436-Ta for linux-fbdev-devel@lists.sourceforge.net; Tue, 14 Aug 2007 09:21:48 -0700 In-reply-to: <46c0b3de5046e@wp.pl> <1187036133.5058.3.camel@daplas> Content-Disposition: inline List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net Content-Type: text/plain; charset="iso-8859-1" To: "Antonino A.Daplas" Cc: linux-fbdev-devel Dnia 13-08-2007 o godz. 22:15 Antonino A. Daplas napisa=B3(a): > On Mon, 2007-08-13 at 21:41 +0200, Krzysztof Helt wrote: > > Hi, > > = > > I have a problem how to handle MSB framebuffer (s3c2410fb) in = LSB = > > kernel (typical ARM kernel). > > = > > It is not a problem in 8+ bpp (bits per pixel) modes. > > The problem is how to reverse pixel order in 1, 2 and 4 bpp > > modes, because it does not work otherwise. Is there any fb = flag > > or something? > = > If 4bpp, ab|cd|ef is reversed as ba|dc|ef? Yes. > I don't think the drawing > libraries do not support pixel reversal. Either the hardware = does it, or > we create a library for this. > = It may be not so important if it is difficult/slow. Most PDAs = uses TFT so support 8+ bpp modes. If it is not easy, this may = stay as it is (mean still broken) or these modes (1-4bpp) can be = removed than added fixed and tested if someone needs them. Regards, Krzysztof > = > = ---------------------------------------------------- Producenci filmu SEZON NA MISIA przedstawiaj=B1 surfuj=B1ce pingwiny w nowej, animowanej komedii NA FALI - w kinach od 10 sierpnia! = http://klik.wp.pl/?adr=3Dhttp%3A%2F%2Fadv.reklama.wp.pl%2Fas%2Fnafali_zwias= tun.html&sid=3D1256 ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/