linux-kernel - Re: X200: Brightness broken since 2.6.29-rc4-58-g4c098bc

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Message-ID: <20090310053812.GA4717@denkbrett.schottelius.org>
Date:	Tue, 10 Mar 2009 06:38:12 +0100
From:	Nico Schottelius <nico-linux-20090213@...ottelius.org>
To:	Eric Anholt <eric@...olt.net>
Cc:	Nico Schottelius <nico-linux-20090213@...ottelius.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: X200: Brightness broken since 2.6.29-rc4-58-g4c098bc

Success! Hooray!

Eric Anholt [Mon, Mar 09, 2009 at 07:28:11PM -0700]:
> > [  129.935021] [drm] Initialized i915 1.6.0 20080730 on minor 0
> > [  129.988541] [drm:i915_initialize] *ERROR* can not ioremap virtual address for ring buffer
> 
> This is bad -- without the ringbuffer, initialization fails, so the DRM
> support for opregion shouldn't work.
> 
> There have been fixes in later kernels for ioremap issues, which may or
> may not affect what you're seeing.  Also, are you using KMS or not?


I just gave the lates iwlwifi tree a try, now running
2.6.29-rc7-wl-ikn-32831-g98c5597, which has full
brightness again.

I'm quite happy that it works again, but quite unhappy
to have it solved "silently"...



-- 
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