From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752339AbXBYLIP (ORCPT ); Sun, 25 Feb 2007 06:08:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752341AbXBYLIH (ORCPT ); Sun, 25 Feb 2007 06:08:07 -0500 Received: from py-out-1112.google.com ([64.233.166.181]:38307 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752339AbXBYLID (ORCPT ); Sun, 25 Feb 2007 06:08:03 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:subject:from:to:cc:in-reply-to:references:content-type:date:message-id:mime-version:x-mailer:content-transfer-encoding; b=XwDkaUq29l4gJpQYdLxGfPrPIRdAZetw4zg7eKkLexqd3SCTQfdlMIMiHRSlZI/14AHdtu1fCWejGgBdz97h2sD3DHDdNVXjR7czjTZPfNbQSWxNGk+QWkzKgU0ih8gGSvxDuil6c0CHgBJVz2cPz5aO2dB1vCLL4kl/HB/xPls= Subject: Re: [Linux-fbdev-devel] [PATCH] nvidiafb: allow ignoring EDID info From: "Antonino A. Daplas" To: Giuseppe Bilotta Cc: James Simmons , Luca Tettamanti , linux-fbdev-devel@lists.sourceforge.net, Andrew Morton , Dave Airlie , linux-kernel@vger.kernel.org In-Reply-To: References: <1172153358.4306.17.camel@daplas> <1172161290.4198.12.camel@daplas> <1172187249.4279.7.camel@daplas> <1172300694.4109.50.camel@daplas> <1172351769.4415.5.camel@daplas> Content-Type: text/plain Date: Sun, 25 Feb 2007 19:10:25 +0800 Message-Id: <1172401825.6187.2.camel@daplas> Mime-Version: 1.0 X-Mailer: Evolution 2.8.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2007-02-25 at 11:26 +0100, Giuseppe Bilotta wrote: > On 2/24/07, Antonino A. Daplas wrote: > > On Sat, 2007-02-24 at 10:16 +0100, Giuseppe Bilotta wrote: > > > > > > Keep in mind that setting nvidiafb to totally ignore the EDID (either > > > by not compiling in EDID support or by using e.g. the ignoreedid patch > > > I had proposed) the snow effect is extremely reduced, > > > > I did not know that, just scanned the entire thread. Try this patch, it > > makes use of fb_ddc_read*() which I believe has extra steps to prevent > > display corruption. It also incorporates Luca's i2c fix. > > Applied. No noticeable difference, in the sense that the EDID debug > output is still the same and so is the snow effect. > Here's a temporary workaround: In drivers/video/nvidia/nv_i2c.c:nvidia_probe_i2c_connector(),comment this out: if (par->chan[conn - 1].par) edid = fb_ddc_read(&par->chan[conn - 1].adapter); and make sure CONFIG_FIRMWARE_EDID=y. Tony From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Antonino A. Daplas" Subject: Re: [PATCH] nvidiafb: allow ignoring EDID info Date: Sun, 25 Feb 2007 19:10:25 +0800 Message-ID: <1172401825.6187.2.camel@daplas> References: <1172153358.4306.17.camel@daplas> <1172161290.4198.12.camel@daplas> <1172187249.4279.7.camel@daplas> <1172300694.4109.50.camel@daplas> <1172351769.4415.5.camel@daplas> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1HLHEe-0001n3-23 for linux-fbdev-devel@lists.sourceforge.net; Sun, 25 Feb 2007 03:08:08 -0800 Received: from py-out-1112.google.com ([64.233.166.183]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1HLHEb-0002GE-Hk for linux-fbdev-devel@lists.sourceforge.net; Sun, 25 Feb 2007 03:08:07 -0800 Received: by py-out-1112.google.com with SMTP id a29so540674pyi for ; Sun, 25 Feb 2007 03:08:03 -0800 (PST) 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 , linux-fbdev-devel@lists.sourceforge.net, Luca Tettamanti , linux-kernel@vger.kernel.org, James Simmons , Dave Airlie On Sun, 2007-02-25 at 11:26 +0100, Giuseppe Bilotta wrote: > On 2/24/07, Antonino A. Daplas wrote: > > On Sat, 2007-02-24 at 10:16 +0100, Giuseppe Bilotta wrote: > > > > > > Keep in mind that setting nvidiafb to totally ignore the EDID (either > > > by not compiling in EDID support or by using e.g. the ignoreedid patch > > > I had proposed) the snow effect is extremely reduced, > > > > I did not know that, just scanned the entire thread. Try this patch, it > > makes use of fb_ddc_read*() which I believe has extra steps to prevent > > display corruption. It also incorporates Luca's i2c fix. > > Applied. No noticeable difference, in the sense that the EDID debug > output is still the same and so is the snow effect. > Here's a temporary workaround: In drivers/video/nvidia/nv_i2c.c:nvidia_probe_i2c_connector(),comment this out: if (par->chan[conn - 1].par) edid = fb_ddc_read(&par->chan[conn - 1].adapter); and make sure CONFIG_FIRMWARE_EDID=y. Tony ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV