RK3288 SoC VOPs have optional support Gamma LUT setting,
which requires specifying the Gamma LUT address in the devicetree.
Signed-off-by: NEzequiel Garcia <ezequiel@collabora.com>
Reviewed-by: NDouglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20191010194351.17940-4-ezequiel@collabora.comSigned-off-by: NHeiko Stuebner <heiko@sntech.de>