i9xx_dpll_compute_fp
fp = i9xx_dpll_compute_fp(&clock);
fp = i9xx_dpll_compute_fp(&crtc_state->dpll);
fp2 = i9xx_dpll_compute_fp(reduced_clock);
fp = i9xx_dpll_compute_fp(&crtc_state->dpll);
fp2 = i9xx_dpll_compute_fp(reduced_clock);