From ad533ade869d33f496d96e6aa639a51e9c06e241 Mon Sep 17 00:00:00 2001
From: Inki Dae <inki.dae@samsung.com>
Date: Fri, 19 Jun 2015 20:53:03 +0900
Subject: [PATCH] drm/exynos: do not wait for vblank at atomic operation

This patch resolves the issue that refresh rate got low
at extension mode test with fimd and vidi combination.

The problem was because atomic_commit callback waited
for the completion of vblank to gaurantee crtc relevant
registers are updated from shadow registers to real ones.

However, the waiting there is really unnecessary because
page flip operation does already it.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
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