Re: [PATCH] drm/i915: disable LVDS downclock by default

From: Pekka Enberg
Date: Fri Jan 15 2010 - 03:54:16 EST


(Fixing CC.)

On Fri, Jan 15, 2010 at 3:15 AM, Nick Bowler <nbowler@xxxxxxxxxx> wrote:
> On Thu, 14 Jan 2010 12:48:02 -0800, Jesse Barnes wrote:
>> Nick and Pekka, please try this out and reply with your Tested-by
>> (assuming it works, if not I'll fix it up).
> Not surprisingly, your patch solves the issues on my T500, and allows me
> to re-enable the broken behaviour by adding the i915.lvds_downclock=1
> boot option.
> Tested-by: Nick Bowler <nbowler@xxxxxxxxxxxxxxxx>

So, any suggestions how I should proceed with figuring out the
"flashing" problem I still see with Jesse's patch? I can do a full git
bisect if it comes to that but it's going to be bit difficult to
determine if a commit is good or bad as there seem to be _two_
different problems both of which cause screen flickering.


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