drm/vc4: Reject doublescan modes.

We can't handle doublescan modes at the moment, so if
userspace tries to set one, reject the mode set.

Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Mario Kleiner 2016-07-19 20:58:59 +02:00 • committed by Eric Anholt
commit 3645146706