From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757877AbbJ3Auy (ORCPT ); Thu, 29 Oct 2015 20:50:54 -0400 Received: from darkcity.gna.ch ([195.226.6.51]:58872 "EHLO mail.gna.ch" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753169AbbJ3Aux (ORCPT ); Thu, 29 Oct 2015 20:50:53 -0400 Subject: Re: Re: [Regression] 4.3.0rc4 through rc7: No LCD backlight on Thinkpad T60P To: Simon Wood References: <14ea70d5bc19d498e15383e43483960f.squirrel@mungewell.org> Cc: linux-kernel@vger.kernel.org, =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= , Samuel Ortiz From: =?UTF-8?Q?Michel_D=c3=a4nzer?= X-Enigmail-Draft-Status: N1110 Message-ID: <5632BEE4.3060001@daenzer.net> Date: Fri, 30 Oct 2015 09:50:44 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.3.0 MIME-Version: 1.0 In-Reply-To: <14ea70d5bc19d498e15383e43483960f.squirrel@mungewell.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29.10.2015 23:26, Simon Wood wrote: > On Thu, October 29, 2015 8:07 am, Simon Wood wrote: >> > >>> Well, I can confirm that the patch stopped the Oops - but unfortunatly >>> the screen is still dark. >>> >>> Also, Oops _does_ happen with rc2 but the screens is OK with that... >>> Back >>> to looking through the logs. >> >> I couldn't see anything of note in the syslog, so attempted to bisect the >> problem some - although building takes considerable time on this machine >> (note 32bit). >> >> >> 4.3.0rc6 - bad >> 4.3.0rc7 - bad >> 4.3.0rc2 - good >> 4.3.0rc4 - bad (049e6dde7e57f0054fdc49102e7ef4830c698b46) >> 4.3.0rc3 - good (9ffecb10283508260936b96022d4ee43a7798b4c) >> >> >> So problem (no LCD backlight) must have been introduced between those. > > Well this looks like it might have something to do with it.... will > attempt a build just before it. > -- > commit 4281f46ef839050d2ef60348f661eb463c21cc2e > Author: Michel Dänzer > Date: Mon Sep 28 18:16:31 2015 +0900 > > drm/radeon: Restore LCD backlight level on resume (>= R5xx) Please try the patches from http://lists.freedesktop.org/archives/dri-devel/2015-October/093514.html . -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer