Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270808AbTHJXkI (ORCPT ); Sun, 10 Aug 2003 19:40:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270813AbTHJXkI (ORCPT ); Sun, 10 Aug 2003 19:40:08 -0400 Received: from smtp-out1.iol.cz ([194.228.2.86]:44184 "EHLO smtp-out1.iol.cz") by vger.kernel.org with ESMTP id S270808AbTHJXkF (ORCPT ); Sun, 10 Aug 2003 19:40:05 -0400 Date: Mon, 11 Aug 2003 01:39:49 +0200 From: Pavel Machek To: Sander ten Broek Cc: kernel list Subject: Re: [PATCH] Use EDID/DDC data to set better refreshrates on VBE3.0+ videocards on boot Message-ID: <20030810233949.GA3898@elf.ucw.cz> References: <3F2DAD6D.2010605@telefabel.cjb.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3F2DAD6D.2010605@telefabel.cjb.net> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.3i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1332 Lines: 33 Hi! > > The following patch requests EDID data from the monitor/graphics card, > check it against the vga= setting the user set and when it finds a match > sets the refresh rate to the EDID supplied mode (So should be safe, even > on broken biosses). This makes working in vesafb mode _allot_ better for > your eyes. If either no vesa 3.0 card or VBE/DC EDID data is available > it just sets the vesa graphic mode the old tried and tested way (60Hz ugh!). > > I have tested the patch on the following cards with different feature > support (All same type monitor though): > > - Geforce2 MX/MX 400: Working at 85hz > - Geforce 256 SDR: Working at 85Hz > - GeForce2 - nForce GPU: Not working, no EDID data available > - VMWare v4: Not working, not a VBE v3.00 card > > Not working, in this case, means that it just used normal 60hz vesa > mode. The graphic mode was otherwise working fine. > > What do you think? :) This is really needed for vesafb to be usefull on non-LCD displays... -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/