Lines Matching refs:pn
3797 u8 pn, pn_min, pn_max;
3802 ret = drm_dp_dpcd_readb(aux, DP_EDP_PWMGEN_BIT_COUNT, &pn);
3809 pn &= DP_EDP_PWMGEN_BIT_COUNT_MASK;
3810 bl->max = (1 << pn) - 1;
3861 for (pn = pn_max; pn >= pn_min; pn--) {
3862 f = clamp(DIV_ROUND_CLOSEST(fxp, 1 << pn), 1, 255);
3863 fxp_actual = f << pn;
3868 ret = drm_dp_dpcd_writeb(aux, DP_EDP_PWMGEN_BIT_COUNT, pn);
3874 bl->pwmgen_bit_count = pn;
3875 bl->max = (1 << pn) - 1;