CG_MPLL_SPREAD_SPECTRUM  165 drivers/gpu/drm/radeon/rv6xxd.h #define CG_MPLL_SPREAD_SPECTRUM                           0x830
CG_MPLL_SPREAD_SPECTRUM  276 drivers/gpu/drm/radeon/rv770d.h #define	CG_MPLL_SPREAD_SPECTRUM				0x798