CFG_V_FRONT_PORCH  260 drivers/video/fbdev/mmp/hw/mmp_ctrl.h #define	 CFG_V_FRONT_PORCH(f)			(f)
CFG_V_FRONT_PORCH   87 drivers/video/fbdev/pxa168fb.h #define     CFG_V_FRONT_PORCH(f)		(f)