Disable the plane before setting up the memory
Disable the plane before setting up the memory

If the plane still is enabled (if the previous user didn't clean up properly),
we won't be able to set up properly.

Signed-off-by: Martin Storsjo <54669547a225ff20cba8b75a4adca540eef25858@martin.st>
Signed-off-by: Felipe Contreras <de77a8b9cd239b204c19c52ed62e48ab47243362@nokia.com>

felipec/gst-omapfb,felipec/gst-omapfb