From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933160AbXBEUSq (ORCPT ); Mon, 5 Feb 2007 15:18:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933253AbXBEUSq (ORCPT ); Mon, 5 Feb 2007 15:18:46 -0500 Received: from mail-relay-2.tiscali.it ([213.205.33.42]:34738 "EHLO mail-relay-2.tiscali.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933160AbXBEUSp (ORCPT ); Mon, 5 Feb 2007 15:18:45 -0500 Date: Mon, 5 Feb 2007 21:18:24 +0100 From: Luca Tettamanti To: Giuseppe Bilotta Cc: linux-fbdev-devel@lists.sourceforge.net, Andrew Morton , Dave Airlie , linux-kernel@vger.kernel.org Subject: Re: [Linux-fbdev-devel] [PATCH] nvidiafb: allow ignoring EDID info Message-ID: <20070205201824.GA13431@dreamland.darkstar.lan> References: <20070128160831.fb51347f.akpm@osdl.org> <21d7e9970701281612q56b694edp6efd1a5556dea3fe@mail.gmail.com> <20070128162907.370f5476.akpm@osdl.org> <21d7e9970701281639w57edc2efw4ba620d4c1bdcee7@mail.gmail.com> <20070130203301.GA15067@dreamland.darkstar.lan> <20070204201713.GA12867@dreamland.darkstar.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Il Sun, Feb 04, 2007 at 10:17:08PM +0100, Giuseppe Bilotta ha scritto: > On 2/4/07, Luca Tettamanti wrote: > >Giuseppe, can you send me the EDID block of your monitor? > > I'd gladly do it, if I knew how to retrieve it ... because apparently, > get-edid doesn't work, even though both the nv driver for X and > nvidiafb manage to retrieve it. get-edid uses the BIOS, while the other two talk directly over the I2C bus. Try loading i2c-dev (I2C_CHARDEV); With i2cdump[1] you can read the EDID block, which resides at address 0x50: i2cdump N 0x50 (where N is the bus number) If you are unshure about bus number try with all the available /dev/i2c-* devices (you may want to unload HW monitor drivers first, so you don't poke at random stuff). Luca [1] lm-sensors package, at least on Debian. -- La somma dell'intelligenza sulla terra è una costante. La popolazione è in aumento. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Tettamanti Subject: Re: [PATCH] nvidiafb: allow ignoring EDID info Date: Mon, 5 Feb 2007 21:18:24 +0100 Message-ID: <20070205201824.GA13431@dreamland.darkstar.lan> References: <20070128160831.fb51347f.akpm@osdl.org> <21d7e9970701281612q56b694edp6efd1a5556dea3fe@mail.gmail.com> <20070128162907.370f5476.akpm@osdl.org> <21d7e9970701281639w57edc2efw4ba620d4c1bdcee7@mail.gmail.com> <20070130203301.GA15067@dreamland.darkstar.lan> <20070204201713.GA12867@dreamland.darkstar.lan> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" 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-new.sourceforge.net with esmtp (Exim 4.43) id 1HEAIK-0007vv-Fy for linux-fbdev-devel@lists.sourceforge.net; Mon, 05 Feb 2007 12:18:32 -0800 Received: from mail-relay-2.tiscali.it ([213.205.33.42]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1HEAIH-0006ft-0v for linux-fbdev-devel@lists.sourceforge.net; Mon, 05 Feb 2007 12:18:32 -0800 Content-Disposition: inline In-Reply-To: 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 To: Giuseppe Bilotta Cc: Andrew Morton , Dave Airlie , linux-fbdev-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Il Sun, Feb 04, 2007 at 10:17:08PM +0100, Giuseppe Bilotta ha scritto: = > On 2/4/07, Luca Tettamanti wrote: > >Giuseppe, can you send me the EDID block of your monitor? > = > I'd gladly do it, if I knew how to retrieve it ... because apparently, > get-edid doesn't work, even though both the nv driver for X and > nvidiafb manage to retrieve it. get-edid uses the BIOS, while the other two talk directly over the I2C bus. Try loading i2c-dev (I2C_CHARDEV); With i2cdump[1] you can read the EDID block, which resides at address 0x50: i2cdump N 0x50 (where N is the bus number) If you are unshure about bus number try with all the available /dev/i2c-* devices (you may want to unload HW monitor drivers first, so you don't poke at random stuff). Luca [1] lm-sensors package, at least on Debian. -- = La somma dell'intelligenza sulla terra =E8 una costante. La popolazione =E8 in aumento. ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easi= er. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D120709&bid=3D263057&dat=3D1= 21642