From 30b6f8f6792abe582ef25100984a113ac9bc88dd Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@gmail.com>
Date: Mon, 24 Mar 2014 09:12:24 -0400
Subject: [PATCH] drm/msm/mdp: add timeout for irq wait

Make things recover a bit more gracefully if we get stuck with no vblank
irq ever coming.

Signed-off-by: Rob Clark <robdclark@gmail.com>
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