VP_DCFG_CRT_VSYNC_POL  237 drivers/video/fbdev/geode/gxfb.h #define VP_DCFG_CRT_VSYNC_POL		(1 << 9)
VP_DCFG_CRT_VSYNC_POL  326 drivers/video/fbdev/geode/lxfb.h #define VP_DCFG_CRT_VSYNC_POL		(1 << 9)