drm/evdi: Protect from rect outside of the frame buffer

Rect bound checking for outdated rectangles.

BUG=None
TEST=Build and tested on chell

Change-Id: Ia6db2eded0d9c0f1fd214f4f1f05350e79a610c2
Signed-off-by: Tadeusz Marquardt <tadeusz.marquardt@displaylink.com>
Reviewed-on: https://chromium-review.googlesource.com/384653
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
1 file changed