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Change the fan speed by only 5% if it's over the target temperature but less than the hysteresis value to minimise overshoot down in temperature.

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This commit is contained in:
Con Kolivas 2011-09-07 10:44:57 +10:00
parent 3997f308a0
commit 4628db5bfd
1 changed files with 4 additions and 1 deletions
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5
adl.c
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@ -864,7 +864,10 @@ void gpu_autotune(int gpu, bool *enable)
} else if (temp > ga->targettemp && fanpercent < 85) {
if (opt_debug)
applog(LOG_DEBUG, "Temperature over target, increasing fanspeed");
newpercent = fanpercent + 10;
if (temp > ga->targettemp + opt_hysteresis)
newpercent = fanpercent + 10;
else
newpercent = fanpercent + 5;
if (newpercent > 85)
newpercent = 85;
} else if (fanpercent && temp < ga->targettemp - opt_hysteresis) {