PLL_SDM_COEFF
u64 s = rem * PLL_SDM_COEFF;
s -= PLL_SDM_COEFF / 2;
cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
cfg->m *= PLL_SDM_COEFF;
params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
#define sdin_get_n_eff(cfg) ((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
(PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))