https://bugzilla.tianocore.org/show_bug.cgi?id=339 The patch refines ConfigurePixelBitMaskFormat() to prepare the enhancement in next commit: Enhance this library to use dynamic allocated line buffer to reduce memory usage of frame buffer configure. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com>