linux-kernel - Re: ACPI

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Date:	Fri, 19 Mar 2010 13:53:10 -0700
From:	Eric Anholt <eric@...olt.net>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Surbhi Palande <surbhi.palande@...onical.com>
Cc:	dri-devel@...ts.sourceforge.net,
	Chris Wilson <chris@...is-wilson.co.uk>,
	linux-kernel@...r.kernel.org, airlied@...ux.ie,
	yakui.zhao@...el.com, zhenyuw@...ux.intel.com,
	Len Brown <lenb@...nel.org>
Subject: Re: ACPI _LID failures

On Fri, 19 Mar 2010 12:53:20 -0700, Jesse Barnes <jbarnes@...tuousgeek.org> wrote:
> On Mon, 15 Mar 2010 21:32:41 +0200
> Surbhi Palande <surbhi.palande@...onical.com> wrote:
> 
> > The following two patches are quirks that blacklist bios which report
> > incorrect lid status. These are bioses for machines with a 900 GM.
> > The first one is tested by Ubuntu users and the second one isn't.
> > Further testing will be appreciated.
> > 
> > 
> > Surbhi Palande (2):
> >   drm/i915: blacklist lid status: Sony VGN-BX196VP
> >   drm/i915: blacklist lid status: Elite Co. G335
> > 
> >  drivers/gpu/drm/i915/intel_lvds.c |   14 ++++++++++++++
> >  1 files changed, 14 insertions(+), 0 deletions(-)
> 
> Patches look ok to me.  Len was curious about whether some recent ACPI
> EC fixes will fix some of our lid detection bugs though.
> 
> Len, is there any particular patch or version people should try?

Unless ACPI is going to magically become more reliable at the lid
method, I think we should abandon using it on generations where it
fails.  See other patch I submitted -- anyone care to ack it?

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