drm/omap: use drm_atomic_helper_shutdown()

Use drm_atomic_helper_shutdown() to ensure that all crtcs are disabled
when unloading the driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2017-03-27 10:02:22 +03:00
commit 8a54aa9285