From: Inki Dae <inki.dae@samsung.com>
Date: Tue, 20 Aug 2013 05:28:56 +0000 (+0900)
Subject: drm/exynos: check a pixel format to a particular window layer
X-Git-Tag: v3.12-rc1~136^2^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5cc4621a17b1e63738658a93b9a5667c876a22e4;p=pandora-kernel.git

drm/exynos: check a pixel format to a particular window layer

This patch checks if a requested window supports alpha channel or not.

In case of s3c64xx, window 0 doesn't support alpha channel so if
the request pixel format is ARGB8888 then change it to XRGB8888.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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