drm/sti: add missing encoder cleanup for DVO connector

Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
This commit is contained in:
Vincent Abriou 2016-02-05 09:31:18 +01:00
commit 0a1dc29db3