[Maverick SRU] drm/i915: Avoid pageflipping freeze when we miss the flip prepare interrupt

[Brad Figg]

On 11/24/2010 09:56 AM, Tim Gardner wrote:
>    git://kernel.ubuntu.com/rtg/ubuntu-maverick.git i915-page-flip-lp680204

Looks good.

Acked-by: Brad Figg <brad.figg at canonical.com>

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