diff options
Diffstat (limited to 'xorg/avivo_crtc.c')
| -rw-r--r-- | xorg/avivo_crtc.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/xorg/avivo_crtc.c b/xorg/avivo_crtc.c index 45fffcd..7dfae82 100644 --- a/xorg/avivo_crtc.c +++ b/xorg/avivo_crtc.c @@ -121,7 +121,7 @@ avivo_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode) double c; int div1, div2, clock; int sdiv1, sdiv2, smul, sclock; - int tdiv1, tdiv2, tmul, tclock; + int mul; c = (((double)mode->Clock) * 40.0) / 1080000.0; clock = mode->Clock; @@ -130,17 +130,15 @@ avivo_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode) smul = 0; for (div1 = 2; div1 <= 6; div1++) { for (div2 = div1 + 1; div2 < (div1 + 14); div2++) { - tmul = ceil(c * div1 * div2); - tdiv1 = div1; - tdiv2 = div2; - tclock = (tmul * 1080000) / (40 * tdiv1 * tdiv2); - if ((tclock - clock) >= 0 && - fabsl(sclock - clock) > fabsl(tclock - clock) && - tmul < 256 && (tdiv1 * tdiv2) > (sdiv1 * sdiv2)) { - sdiv1 = tdiv1; - sdiv2 = tdiv2; - smul = tmul; - sclock = tclock; + mul = ceil(c * div1 * div2); + clock = (mul * 1080000) / (40 * div1 * div2); + if ((div1 * div2) > 20 && (clock - mode->Clock) >= 0 && + fabsl(sclock - mode->Clock) >= fabsl(clock - mode->Clock) && + mul < 256 && (div1 * div2) > (sdiv1 * sdiv2)) { + sdiv1 = div1; + sdiv2 = div2; + smul = mul; + sclock = clock; } } } |