tree cbd5b1d0261d89dcb5b8acc4d5d62bad73a51457
parent 6e2a3b66e78b693065ee67af91175a1a7e4dc209
author Gustavo Padovan <gustavo.padovan@collabora.co.uk> 1427904129 -0300
committer Inki Dae <inki.dae@samsung.com> 1428892779 +0900

drm/exynos: make zpos property immutable

We already set each plane zpos at init, after that changes to zpos are
not expected. This patch turns zpos into a read-only property so now it is
impossible to set zpos.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>