ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT
amdgpu_crtc->ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
radeon_crtc->ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &