drm/atomic: Constify a bunch of functions pointer structs

Make the helper function pointer structs const to make it clear they
should not be modified.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-03-10 14:35:20 +02:00 • committed by Daniel Vetter
commit b5ceff202c