GOSTSec/sgminer
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Keep track of intended engine clock speed and only adjust up if it's higher than the last intended speed. This avoids setting the clock speed to one

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relative to a lower profile one by mistake.
This commit is contained in:
Con Kolivas 2012-02-18 22:29:12 +11:00
parent d1cf80a546
commit fa4ce8daf2
2 changed files with 11 additions and 1 deletions
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11
adl.c
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@ -743,6 +743,10 @@ int set_engineclock(int gpu, int iEngineClock)
iEngineClock *= 100;
ga = &gpus[gpu].adl;
/* Keep track of intended engine clock in case the device changes
* profile and drops while idle, not taking the new engine clock */
ga->lastengine = iEngineClock;
lev = ga->lpOdParameters.iNumberOfPerformanceLevels - 1;
lpOdPerformanceLevels = alloca(sizeof(ADLODPerformanceLevels) + (lev * sizeof(ADLODPerformanceLevel)));
lpOdPerformanceLevels->iSize = sizeof(ADLODPerformanceLevels) + sizeof(ADLODPerformanceLevel) * lev;
@ -1073,7 +1077,12 @@ void gpu_autotune(int gpu, bool *enable)
newengine = ga->maxspeed;
else if (newengine < ga->minspeed)
newengine = ga->minspeed;
if (newengine != engine) {
/* Adjust engine clock speed if it's lower, or if it's higher
* but higher than the last intended value as well as the
* current speed, to avoid setting the engine clock speed to
* a speed relateive to a lower profile during idle periods. */
if (newengine < engine || (newengine > engine && newengine > ga->lastengine)) {
newengine /= 100;
applog(LOG_INFO, "Setting GPU %d engine clock to %d", gpu, newengine);
set_engineclock(gpu, newengine);

1
miner.h
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@ -169,6 +169,7 @@ struct gpu_adl {
bool autoengine;
bool managed; /* Were the values ever changed on this card */
int lastengine;
int lasttemp;
int targetfan;
int targettemp;