VP_DCFG_VSYNC_EN  242 drivers/video/fbdev/geode/gxfb.h #define VP_DCFG_VSYNC_EN		(1 << 2)
VP_DCFG_VSYNC_EN  329 drivers/video/fbdev/geode/lxfb.h #define VP_DCFG_VSYNC_EN		(1 << 2)