drm/exynos: dsi: remove the empty mode_valid callback

Because the helper function which calls this callback checks whether
it is registered or not. It is not necessary if it does nothing.
So it would be better to remove the function for clarity.

Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Hyungwon Hwang 2015-04-02 18:52:20 +09:00 • committed by Inki Dae
commit 643c3024a5