Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753942AbaDVCeP (ORCPT ); Mon, 21 Apr 2014 22:34:15 -0400 Received: from know-smtprelay-omc-8.server.virginmedia.net ([80.0.253.72]:53759 "EHLO know-smtprelay-omc-8.server.virginmedia.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751371AbaDVCeN (ORCPT ); Mon, 21 Apr 2014 22:34:13 -0400 X-Originating-IP: [81.106.150.188] X-Spam: 0 X-Authority: v=2.1 cv=TM7LSjVa c=1 sm=1 tr=0 a=DGj713NdaxKrsjjgQne7PA==:117 a=DGj713NdaxKrsjjgQne7PA==:17 a=J0QyKEt1u0cA:10 a=BdtlclQ1lucA:10 a=uObrxnre4hsA:10 a=IkcTkHD0fZMA:10 a=NLZqzBF-AAAA:8 a=pGLkceISAAAA:8 a=zd2uoN0lAAAA:8 a=Z4Rwk6OoAAAA:8 a=VwQbUJbxAAAA:8 a=FuE5Ay7eAgbjKXUaVF8A:9 a=QEXdDO2ut3YA:10 a=MSl-tDqOz04A:10 a=wu_e27o_rKQA:10 a=jbrJJM5MRmoA:10 Date: Tue, 22 Apr 2014 03:34:10 +0100 From: Ken Moffat To: Ed Tomlinson Cc: Alex Deucher , LKML Subject: Re: 3.15.0-rc2 radeon HD 7480D [Aruba] blank display Message-ID: <20140422023410.GB1709@milliways> References: <20140421203207.GA27025@milliways> <5549363.XIKIYZeGzc@grover> <20140422023106.GA1709@milliways> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20140422023106.GA1709@milliways> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 22, 2014 at 03:31:06AM +0100, Ken Moffat wrote: [ resending, somehow lkml dropped out of the Cc. ] > On Tue, Apr 22, 2014 at 12:19:40AM +0100, Ken Moffat wrote: > > On Mon, Apr 21, 2014 at 05:29:27PM -0400, Ed Tomlinson wrote: > > > > Ken, > > > > > > You might want to try reverting: > > > > > > commit 379dfc25e257ffe10eb53b86d2375f7c0f4f33ef > > > Author: Alex Deucher > > > Date: Mon Apr 7 10:33:46 2014 -0400 > > > > > > drm/radeon/dp: switch to the common i2c over aux code > > > > > > Provides a nice cleanup in radeon. > > > > > > Signed-off-by: Alex Deucher > > > Signed-off-by: Christian König > > > > > > This fixed a similar problem here (see the drm pull thread for rc1) > > > > > > Thanks > > > Ed Tomlinson > > > > Tried reverting that from rc2, but it didn't help. Thanks anyway. > > > > Well, I *believed* I had created a patch for that commit, and > reverted it from -rc2 with patch -R. But I've now bisected through > drivers/gpu/drm between v3.14.0 and v3.15-rc2 and the bisection > pointed to that same commit, so I guess I did something wrong. > > There were a couple of other issues along the way (mounting nfs > hung on one commit, startx hung on several of the commits, but I've > marked those as "good" because I had a display, even if the system > was not usable). > > I've now gone back to linus' tree that I cloned a few hours ago, > i.e. > commit c089b229dfdd09d59a11d8bc2344bf8196d575ce > Merge: 9ac03675010a 0565103d1adb > Author: Linus Torvalds > Date: Mon Apr 21 10:05:35 2014 -0700 > > Merge branch 'for-linus' of > git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml > > created a branch, and *definitely* reverted > 379dfc25e257ffe10eb53b86d2375f7c0f4f33ef (using git revert) in that > branch. And this version works fine. > > So belatedly I see that I seem to have the same problem as Ed. Or > at least that the same commit is causing both our problems. > > Alex - do you need any more information from me to help with this ? > > ĸen > -- > das eine Mal als Tragödie, dieses Mal als Farce -- das eine Mal als Tragödie, dieses Mal als Farce -- 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/