drm: Make drm_encoder_helper_funcs optional

Make drm_encoder_helper_funcs and it's functions optional to avoid
having dummy functions.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462454674-2246-3-git-send-email-noralf@tronnes.org
This commit is contained in:
Noralf Trønnes 2016-05-05 15:24:32 +02:00 • committed by Daniel Vetter
commit 75229eca56
2 changed files with 42 additions and 10 deletions