From: "Michel Dänzer" <michel@daenzer.net>
To: Simon Wood <simon@mungewell.org>
Cc: linux-kernel@vger.kernel.org,
"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
"Samuel Ortiz" <samuel@sortiz.org>
Subject: Re: Re: [Regression] 4.3.0rc4 through rc7: No LCD backlight on Thinkpad T60P
Date: Fri, 30 Oct 2015 09:50:44 +0900 [thread overview]
Message-ID: <5632BEE4.3060001@daenzer.net> (raw)
In-Reply-To: <14ea70d5bc19d498e15383e43483960f.squirrel@mungewell.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 <michel.daenzer@amd.com>
> 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
next prev parent reply other threads:[~2015-10-30 0:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-29 14:07 [Regression] 4.3.0rc4 through rc7: No LCD backlight on Thinkpad T60P Simon Wood
2015-10-29 14:26 ` Simon Wood
2015-10-29 22:15 ` Simon Wood
2015-10-30 0:50 ` Michel Dänzer [this message]
2015-10-30 2:39 ` Simon Wood
2015-10-30 13:55 ` Simon Wood
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