drm_atomic_add_affected_planes() only considers planes which
are logically enabled in the uapi state. For bigjoiner we need
to consider planes logically enabled in the hw state. Add a
helper for that.
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201124201156.17095-2-ville.syrjala@linux.intel.comReviewed-by: NManasi Navare <manasi.d.navare@intel.com>