From 3cabaf7ea7044d6a75fd76e2fc53304a55abe965 Mon Sep 17 00:00:00 2001
From: Joonyoung Shim <jy0922.shim@samsung.com>
Date: Tue, 7 Apr 2015 15:59:39 +0900
Subject: [PATCH] drm/exynos: add ratio calculation

Calculation ratio from exynos_drm plane codes, then each hw drivers can
use it without extra operation. Also this fixes width and height of
source used for actual crtc shown via screen.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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