Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932462AbWBOUlk (ORCPT ); Wed, 15 Feb 2006 15:41:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932465AbWBOUlk (ORCPT ); Wed, 15 Feb 2006 15:41:40 -0500 Received: from pproxy.gmail.com ([64.233.166.178]:21192 "EHLO pproxy.gmail.com") by vger.kernel.org with ESMTP id S932463AbWBOUlj (ORCPT ); Wed, 15 Feb 2006 15:41:39 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding; b=ujjsfVrqcUZE/ySg9PRabC3jtNYQVwg/X01Pmb39/dvXckvZo4b/s2EJosXTTLaVF+HEhCCDwlte4LPksAc6NDgkFZw4FMotg8qRIUzoJ15mhAAN3Ss3HaQKnGCwUl4N5kY8qYdHedW2UlgGbd0+FZfVnAa2sAnPB5hEpTkXVpY= Message-ID: <43F391E8.9050601@gmail.com> Date: Thu, 16 Feb 2006 04:41:12 +0800 From: "Antonino A. Daplas" User-Agent: Thunderbird 1.5 (X11/20051201) MIME-Version: 1.0 To: Timothy Miller CC: Benjamin Herrenschmidt , linux-kernel@vger.kernel.org Subject: Re: HELP: Problem with radeonfb setting wrong resolution References: <9871ee5f0602141233t3cf11775lcb6351f31d4f377e@mail.gmail.com> <1139955612.7903.46.camel@localhost.localdomain> <9871ee5f0602141817p12617034o7f118710775cc73c@mail.gmail.com> <43F2BCF6.805@gmail.com> <9871ee5f0602150448j487dcd6nb20114bbd42a1dfa@mail.gmail.com> In-Reply-To: <9871ee5f0602150448j487dcd6nb20114bbd42a1dfa@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 877 Lines: 24 Timothy Miller wrote: > On 2/15/06, Antonino A. Daplas wrote: > >> Looks like an EDID problem. Can you change #undef DEBUG to #define DEBUG >> in drivers/video/fbmon.c and post your dmesg again? > > You were right. It's an edid problem. I disabled DDC/I2C for Radeon, > and the problem cleared right up. > Something did come out from the DDC bus (as per radeonfb messages) but it probably failed the checksum/header test so no extra messages were seen. Unless the EDID is totally bogus, this can be a fixable problem. Can you send me the EDID dump? You can use the utility read-edid for this. Tony - 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/