__DRM_ARGB64_GET
__u16 comp = __DRM_ARGB64_GET(c, shift); \
(__DRM_ARGB64_GET(c, shift) >> (16 - (bpc)))
#define DRM_ARGB64_GETA(c) __DRM_ARGB64_GET(c, 48)
#define DRM_ARGB64_GETR(c) __DRM_ARGB64_GET(c, 32)
#define DRM_ARGB64_GETG(c) __DRM_ARGB64_GET(c, 16)
#define DRM_ARGB64_GETB(c) __DRM_ARGB64_GET(c, 0)