+static int calc_vclock3(int index, int m, int n, int p)
+{
+ if (p == 0 || n == 0)
+ return 0;
+ return plls[index].ref_clk * m / n / p;
+}
+
+static int calc_vclock(int index, int m1, int m2, int n, int p1, int p2, int lvds)
+{
+ struct pll_min_max *pll = &plls[index];
+ u32 m, vco, p;
+
+ m = (5 * (m1 + 2)) + (m2 + 2);
+ n += 2;
+ vco = pll->ref_clk * m / n;
+
+ if (index == PLLS_I8xx) {
+ p = ((p1 + 2) * (1 << (p2 + 1)));
+ } else {
+ p = ((p1) * (p2 ? 5 : 10));
+ }
+ return vco / p;
+}
+
+static void
+intelfbhw_get_p1p2(struct intelfb_info *dinfo, int dpll, int *o_p1, int *o_p2)
+{
+ int p1, p2;
+
+ if (IS_I9XX(dinfo)) {
+ if (dpll & DPLL_P1_FORCE_DIV2)
+ p1 = 1;
+ else
+ p1 = (dpll >> DPLL_P1_SHIFT) & 0xff;
+
+ p1 = ffs(p1);
+
+ p2 = (dpll >> DPLL_I9XX_P2_SHIFT) & DPLL_P2_MASK;
+ } else {
+ if (dpll & DPLL_P1_FORCE_DIV2)
+ p1 = 0;
+ else
+ p1 = (dpll >> DPLL_P1_SHIFT) & DPLL_P1_MASK;
+ p2 = (dpll >> DPLL_P2_SHIFT) & DPLL_P2_MASK;
+ }
+
+ *o_p1 = p1;
+ *o_p2 = p2;
+}
+
+