drm/sti: GDP cropping fails when we remove 2 pixels horizontally

GDP source width should be equal to the destination width to get
rid of this issue.

Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
This commit is contained in:
Vincent Abriou 2016-02-09 17:08:56 +01:00
commit 704cb30c5a