Re: Re: [Regression] 4.3.0rc4 through rc7: No LCD backlight on Thinkpad T60P
From: Michel DÃnzer
Date: Thu Oct 29 2015 - 20:50:58 EST
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...
>>> 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 DÃnzer <michel.daenzer@xxxxxxx>
> Date: Mon Sep 28 18:16:31 2015 +0900
> drm/radeon: Restore LCD backlight level on resume (>= R5xx)
Please try the patches from
Earthling Michel DÃnzer | http://www.amd.com
Libre software enthusiast | Mesa and X developer
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