#define DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED fourcc_code('9', '9', '9', '8')
#define DRM_FORMAT_FLEX_YCbCr_420_888 fourcc_code('9', '9', '9', '9')
#define DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED fourcc_code('9', '9', '9', '8')
#define DRM_FORMAT_FLEX_YCbCr_420_888 fourcc_code('9', '9', '9', '9')