GRA_FF_UNDERFLOW_ENA  284 drivers/gpu/drm/armada/armada_hw.h 	GRA_FF_UNDERFLOW_ENA	= 1 << 25,
GRA_FF_UNDERFLOW_ENA  648 drivers/video/fbdev/mmp/hw/mmp_ctrl.h #define	 GRA_FF_UNDERFLOW_ENA(ff)		((ff)<<25)
GRA_FF_UNDERFLOW_ENA  414 drivers/video/fbdev/pxa168fb.h #define     GRA_FF_UNDERFLOW_ENA(ff)		((ff) << 25)