Browse Source

VIDEO: cyberpro: select lowest multipler/divisor for PLL

The lowest closest multiplier/divisor combination should be used for
the PLL, not the largest.  Reverse the search order.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Russell King 14 years ago
parent
commit
fcd3c7796c
1 changed files with 3 additions and 3 deletions
  1. 3 3
      drivers/video/cyber2000fb.c

+ 3 - 3
drivers/video/cyber2000fb.c

@@ -681,9 +681,9 @@ cyber2000fb_decode_clock(struct par_info *hw, struct cfb_info *cfb,
 	 *    pll_ps_calc = best_div1 / (ref_ps * best_mult)
 	 *    pll_ps_calc = best_div1 / (ref_ps * best_mult)
 	 */
 	 */
 	best_diff = 0x7fffffff;
 	best_diff = 0x7fffffff;
-	best_mult = 32;
-	best_div1 = 255;
-	for (t_div1 = 32; t_div1 > 1; t_div1 -= 1) {
+	best_mult = 2;
+	best_div1 = 32;
+	for (t_div1 = 2; t_div1 < 32; t_div1 += 1) {
 		u_int rr, t_mult, t_pll_ps;
 		u_int rr, t_mult, t_pll_ps;
 		int diff;
 		int diff;