tree c9b6f969af7eb7a024cd028f95ea1c8970d9b595
parent 0695726e85b45f3298f64fa4cee89f40f923fb8c
author Inki Dae <inki.dae@samsung.com> 1439295829 +0900
committer Daniel Vetter <daniel.vetter@ffwll.ch> 1439306430 +0200

drm/atomic: fix null pointer access to mode_fixup callback

This patch fixes null pointer access incurred when
encoder driver didn't set its own mode_fixup callback.

mode_fixup callback shoudn't be called if the callback
of drm_encoder_helper_funcs is NULL.

Changelog v2:
- change it to else if

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>