PLANE_CUS_CTL     612 drivers/gpu/drm/i915/display/intel_sprite.c 		I915_WRITE_FW(PLANE_CUS_CTL(pipe, plane_id), cus_ctl);
PLANE_CUS_CTL     686 drivers/gpu/drm/i915/display/intel_sprite.c 		I915_WRITE_FW(PLANE_CUS_CTL(pipe, plane_id), 0);