Mode setup code is called from video plane update and mixer plane update.
Let's group it together in mixer_commit function like in case of other
Exynos CRTCs.
Signed-off-by: NAndrzej Hajda <a.hajda@samsung.com>
Reviewed-by: NTobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: NInki Dae <inki.dae@samsung.com>