staging: drm/omap: hold a ref to the bo while waiting for flip
staging: drm/omap: hold a ref to the bo while waiting for flip

Since the plane hasn't yet taken a reference, we need to hold a
reference while waiting to ensure the backing GEM bo doesn't get
freed from under us.

Signed-off-by: Rob Clark <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@ti.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs