From mboxrd@z Thu Jan 1 00:00:00 1970 From: Antonino Daplas Subject: Re: [PATCH] rivafb sync polarity problem? Date: 20 Jan 2003 00:49:50 +0800 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <1042994847.976.3.camel@localhost.localdomain> References: <1042980943.12192.34.camel@h9n1fls20o980.telia.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: Received: from willow.compass.com.ph ([202.70.96.38]) by sc8-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 18aInf-00048l-00 for ; Sun, 19 Jan 2003 08:59:59 -0800 In-Reply-To: <1042980943.12192.34.camel@h9n1fls20o980.telia.com> Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: Fredrik Noring Cc: Linux Fbdev development list , Ani Joshi On Sun, 2003-01-19 at 20:55, Fredrik Noring wrote: > Hi, > > It seems the mode below doesn't work with rivafb in Linux 2.4.21-pre2, > the RGB (TV) screen fail to sync properly. (The equivalent modeline in > XFree86 4.2 works.) > > mode "768x288" > geometry 768 288 768 288 32 > timings 62500 120 80 20 2 54 2 > hsync low > vsync low > endmode > Ooops :-) Sorry, I did not notice you were using 288 for your yres, so 62500 is just right. How bad is the sync problem? It's possible that your horizontal timings is not divisible by 8? Ie., your hsync_len is 54, but when it's written to the register, it's just 48. You might want to recalculate the numbers so you use 54 or 56. Tony ------------------------------------------------------- This SF.NET email is sponsored by: FREE SSL Guide from Thawte are you planning your Web Server Security? Click here to get a FREE Thawte SSL guide and find the answers to all your SSL security issues. http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0026en