compositor-drm: set all properties in create_output_for_connector

Move the remaining scattered setup of the fixed properties into
create_output_for_connector(). All these are already known and they
cannot change.

This helps future refactoring.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Ian Ray <ian.ray@ge.com>
Acked-by Daniel Stone <daniels@collabora.com>
1 file changed