CFG_PDWN256x8_MASK  545 drivers/video/fbdev/mmp/hw/mmp_ctrl.h #define	 CFG_PDWN256x8_MASK			0x00000020
CFG_PDWN256x8_MASK  320 drivers/video/fbdev/pxa168fb.h #define     CFG_PDWN256x8_MASK			0x00000020