linux-kernel - Re: enabling kms for i915 disables brightness control and xrandr

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Message-Id: <1238536723.8369.534.camel@gaiman.anholt.net>
Date:	Tue, 31 Mar 2009 14:58:43 -0700
From:	Eric Anholt <eric@...olt.net>
To:	Soeren Sonnenburg <sonne@...ian.org>
Cc:	Sitsofe Wheeler <sitsofe@...oo.com>, linux-kernel@...r.kernel.org
Subject: Re: enabling kms for i915 disables brightness control and xrandr

On Sun, 2009-03-29 at 14:00 +0200, Soeren Sonnenburg wrote:
> On Sun, 2009-03-29 at 12:01 +0100, Sitsofe Wheeler wrote:
> > On Sun, Mar 29, 2009 at 12:34:01PM +0200, Soeren Sonnenburg wrote:
> > > 
> > > I am not sure if this is just a user error/ too old userspace problem,
> > 
> > Which version of X intel driver are you running?
> > http://lkml.org/lkml/2009/2/27/363 suggests you will have unsupported
> > problems unless it is 2.6.2 or higher...
> 
> Using 2.6.3 things became a lot faster with UXA, but the brightness
> (only possible to set via setpci) and xrandr problems (modes missing)
> are still there...

KMS property control in the 2D driver was introduced recently, and
should be in 2.7, think.

-- 
Eric Anholt
eric@...olt.net                         eric.anholt@...el.com



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