i915: eDP regression

[Adam Jackson]

On Sat, 2011-12-03 at 19:35 +0200, Kirill A. Shutemov wrote:
> Hi,
> 
> Commit dc22ee6 introduces regression on my laptop HP EliteBook 8440p.  I see
> nothing on the panel after mode setting. Reverting the commit fixes the issue.

Try this patch (might need rediffing):

http://www.mail-archive.com/intel-gfx@lists.freedesktop.org/msg05889.html

- ajax
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