VESA_VSYNC_SUSPEND  152 include/linux/console.h #define VESA_VSYNC_SUSPEND      1
VESA_VSYNC_SUSPEND  286 include/linux/fb.h #define VESA_VSYNC_SUSPEND      1
VESA_VSYNC_SUSPEND  299 include/linux/fb.h FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,