drm/fsl-dcu: implement lastclose callback

Use CMA helper drm_fbdev_cma_restore_mode to restore fbdev mode
in process which uses drm/kms dies.

Signed-off-by: Stefan Agner <stefan@agner.ch>
This commit is contained in:
Stefan Agner 2016-04-16 21:18:54 -07:00
commit 9a15da1735