usMclk_fcw_frac 638 drivers/gpu/drm/amd/include/atombios.h USHORT usMclk_fcw_frac; //fractional divider of fcw = usSclk_fcw_frac/65536 usMclk_fcw_frac 339 drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c le16_to_cpu(mpll_parameters.usMclk_fcw_frac);