From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Smith Subject: Re: VESA, EDID & flat panels Date: Mon, 3 Oct 2005 18:18:13 -0500 Message-ID: <8a0c36780510031618m48c55f45u648d867bcf0130d2@mail.gmail.com> References: <1128380013.8267.125.camel@gaston> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1EMZZd-000618-7z for linux-fbdev-devel@lists.sourceforge.net; Mon, 03 Oct 2005 16:18:21 -0700 Received: from zproxy.gmail.com ([64.233.162.207]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1EMZZc-0007j8-QQ for linux-fbdev-devel@lists.sourceforge.net; Mon, 03 Oct 2005 16:18:21 -0700 Received: by zproxy.gmail.com with SMTP id i11so342963nzh for ; Mon, 03 Oct 2005 16:18:13 -0700 (PDT) In-Reply-To: <1128380013.8267.125.camel@gaston> Content-Disposition: inline Sender: linux-fbdev-devel-admin@lists.sourceforge.net Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: linux-fbdev-devel@lists.sourceforge.net Cc: Discuss issues related to the xorg tree > Somebody around here has access to the VESA specs ? I'm trying to figure > out if the EDID block, at least on recent flat panels, tells us wether > the panel digital input is 6:6:6 or 8:8:8 ... If it's 6:6:6, we should > enable dithering in drivers like radeon and "nv", while if 8:8:8, we > should not. If not enabling it on a 6 bits panel, we end up with crappy > looking gradients, if enabling it on a 8 bits panel, we basically end up > sending a 6 bits signal to a 8 bits panel, thus reducing the quality. We have a copy from a few years ago. Its not too descriptive if IIRC. I'll try to look at it tomorrow. -- Richard A. Smith ------------------------------------------------------- This SF.Net email is sponsored by: Power Architecture Resource Center: Free content, downloads, discussions, and more. http://solutions.newsforge.com/ibmarch.tmpl