linux-kernel - Re: [132/152] drm/i915/bios: Reverse order of 100/120 Mhz SSC clocks

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Date:	Fri, 7 Jan 2011 13:23:33 -0800
From:	Greg KH <gregkh@...e.de>
To:	François Valenduc 
	<francois.valenduc@...ablenet.be>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [132/152] drm/i915/bios: Reverse order of 100/120 Mhz SSC
 clocks

On Fri, Jan 07, 2011 at 09:18:40PM +0100, François Valenduc wrote:
> Le 06/01/11 01:23, Greg KH a écrit :
> > 2.6.36-stable review patch.  If anyone has any objections, please let us know.
> > 
> > ------------------
> > 
> > From: Chris Wilson <chris@...is-wilson.co.uk>
> > 
> > commit 448f53a1ede54eb854d036abf54573281412d650 upstream.
> > 
> > Fixes the lack of output on the LVDS panel of the Lenovo U160.
> > 
> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=31596
> > Reported-and-tested-by: Dirk Gouders <gouders@...bocholt.fh-gelsenkirchen.de>
> > Signed-off-by: Chris Wilson <chris@...is-wilson.co.uk>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
> > 
> > ---
> >  drivers/gpu/drm/i915/intel_bios.c |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > --- a/drivers/gpu/drm/i915/intel_bios.c
> > +++ b/drivers/gpu/drm/i915/intel_bios.c
> > @@ -276,7 +276,7 @@ parse_general_features(struct drm_i915_p
> >  					general->ssc_freq ? 66 : 48;
> >  			else if (IS_IRONLAKE(dev_priv->dev) || IS_GEN6(dev))
> >  				dev_priv->lvds_ssc_freq =
> > -					general->ssc_freq ? 100 : 120;
> > +					general->ssc_freq ? 120 : 100;
> >  			else
> >  				dev_priv->lvds_ssc_freq =
> >  					general->ssc_freq ? 100 : 96;
> > 
> > 
> 
> This commit gives a black screen on many computers and has been reverted
> between 2.6.37-rc8 and 2.6.37. Why has this been added to this review ?

Because it was marked as a -stable patch.

If it's been reverted (and I now see that it has), I should drop it from
this tree.  I'll go do that right now.

Thanks for pointing it out.

greg k-h
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