VSYNC_IRQ_ENA_MASK  651 drivers/video/fbdev/mmp/hw/mmp_ctrl.h #define	 VSYNC_IRQ_ENA_MASK			0x00800000
VSYNC_IRQ_ENA_MASK  417 drivers/video/fbdev/pxa168fb.h #define     VSYNC_IRQ_ENA_MASK			0x00800000