From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?iso-8859-1?Q?Ville_Syrj=E4l=E4?= Subject: Re: Reading the EDID block for x86 machines Date: Wed, 12 Mar 2003 20:47:01 +0200 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <20030312204701.A1279@sci.fi> References: <1047386934.1113.35.camel@localhost.localdomain> <20030312141022.A6984@sci.fi> <1047490638.1028.29.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: Received: from kura.mail.jippii.net ([195.197.172.113]) by sc8-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 18tBEG-0000VR-00 for ; Wed, 12 Mar 2003 10:45:28 -0800 Received: from simpukka.saunalahti.fi (simpukka.saunalahti.fi [195.74.0.20]) by kura.mail.jippii.net (Postfix) with ESMTP id 4FC0B248D1F for ; Wed, 12 Mar 2003 20:45:25 +0200 (EET) Received: (from syrjala@localhost) by simpukka.saunalahti.fi (8.8.5/8.8.3) id UAA01903 for linux-fbdev-devel@lists.sourceforge.net; Wed, 12 Mar 2003 20:47:01 +0200 (EET) In-Reply-To: <1047490638.1028.29.camel@localhost.localdomain>; from adaplas@pol.net on Thu, Mar 13, 2003 at 01:38:19AM +0800 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="iso-8859-1" To: Linux Fbdev development list On Thu, Mar 13, 2003 at 01:38:19AM +0800, Antonino Daplas wrote: > Matrox users are the fortunate few since the author implemented an i2c > backend. ;) > That's okay. The get_EDID() function can get the EDID block several > ways. >=20 > 1. via the driver if it has its own method of getting the EDID block > (1st choice) >=20 > 2. via userland - EDID block (ie get-edid > edid.dmp) uploaded to > driver via ioctl (2nd choice) >=20 > 3. through an arch-specific method -- VBE for x86, OF for PPC, etc > (last choice) >=20 > When a user changes monitors without rebooting, he/she can upload an > edid block appropriate for the display. Sounds good. BTW are there public docs available about EDID & DDC? VESA doesn't like poor open-source developers :( --=20 Ville Syrj=E4l=E4 syrjala@sci.fi http://www.sci.fi/~syrjala/ ------------------------------------------------------- This SF.net email is sponsored by:Crypto Challenge is now open! Get cracking and register here for some mind boggling fun and the chance of winning an Apple iPod: http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0031en