Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030236AbXBQSP0 (ORCPT ); Sat, 17 Feb 2007 13:15:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030237AbXBQSP0 (ORCPT ); Sat, 17 Feb 2007 13:15:26 -0500 Received: from joe.tiscali.it ([213.205.33.54]:45569 "EHLO joe.tiscali.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030236AbXBQSPZ (ORCPT ); Sat, 17 Feb 2007 13:15:25 -0500 Date: Sat, 17 Feb 2007 19:14:13 +0100 From: Luca Tettamanti To: Giuseppe Bilotta Cc: James Simmons , 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: <20070217181413.GA10134@dreamland.darkstar.lan> References: <20070130203301.GA15067@dreamland.darkstar.lan> <20070204201713.GA12867@dreamland.darkstar.lan> <20070205201824.GA13431@dreamland.darkstar.lan> <20070207234837.GA27822@dreamland.darkstar.lan> <20070211181743.GA15801@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 Content-Length: 2246 Lines: 63 Il Tue, Feb 13, 2007 at 10:25:41AM +0100, Giuseppe Bilotta ha scritto: > On 2/11/07, Luca Tettamanti wrote: > >Sorry for the delay. > > Ditto! > > It also seemed that my kernel compiling sk1llz had gone AWL, I > couldn't get the newly compiled kernel to run, until I realized the > initrd.img was mislinked. Anyway. > > Your patch has an immediately visible effect of reducing snow: it > seems that now that you fixed the access bug the EDID is properly > /not/ used. dmesg | grep nvidiafb now claims the following: > > """ > > nvidiafb: Device ID: 10de0112 > nvidiafb 0000:01:00.0: Unable to read EDID block. > nvidiafb 0000:01:00.0: Unable to read EDID block. > nvidiafb 0000:01:00.0: Unable to read EDID block. > > (it actually gave the "I2C probe failed ..." message on console, but > it's not appearing in the dmesg, obviously, since it's a simple > printk) > > nvidiafb 0000:01:00.0: Unable to read EDID block. > nvidiafb 0000:01:00.0: Unable to read EDID block. > nvidiafb 0000:01:00.0: Unable to read EDID block. > nvidiafb: CRTC 1 is currently programmed for DFP > nvidiafb: Using DFP on CRTC 1 > nvidiafb: Panel size is 1600 x 1200 > nvidiafb: Panel is TMDS > nvidiafb: MTRR set to ON > nvidiafb: Flat panel dithering disabled > nvidiafb: PCI nVidia NV11 framebuffer (32MB @ 0xE0000000) > > """ Ok, now I'm confused O_o The patch should be correct, but I fail to see how EDID reading succeded before. > So the EDID still seems to be totally inaccessible (which means I > can't really tell why/when/where it's b0rked). > > Finally, as I mentioned, console still has a little snow. It's barely > perceptible in common console usage because the monitor is mostly > black, but can get annoying with fullscreen apps ? la mc. Maybe the snow was caused by the driver hammering the I2C bus. Just guessing... Can you send me X.org log? Luca -- Alcuni pensano che io sia una persona orribile, ma non e` vero. Ho il cuore di un ragazzino - in un vaso sulla scrivania. - 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/