GOSTSec/sgminer
1
0
Fork 0
mirror of https://github.com/GOSTSec/sgminer synced 2025-01-22 12:34:27 +00:00
Code Issues Releases Wiki Activity

Only adjust GPU speed up if the fanspeed is within the normal fanrange and hasn't been turned to maximum speed under overheat conditions.

Browse Source
This commit is contained in:
Con Kolivas 2012-06-12 21:02:59 +10:00
parent ca8f12dc76
commit 59679c57c7
1 changed files with 14 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
adl.c
View File

@ -1009,8 +1009,10 @@ static int set_powertune(int gpu, int iPercentage)
return ret; return ret;
} }
/* Returns whether the fanspeed is optimal already or not */ /* Returns whether the fanspeed is optimal already or not. The fan_window bool
static bool fan_autotune(int gpu, int temp, int fanpercent, int lasttemp) * tells us whether the current fanspeed is in the target range for fanspeeds.
*/
static bool fan_autotune(int gpu, int temp, int fanpercent, int lasttemp, bool *fan_window)
{ {
struct cgpu_info *cgpu = &gpus[gpu]; struct cgpu_info *cgpu = &gpus[gpu];
struct gpu_adl *ga = &cgpu->adl; struct gpu_adl *ga = &cgpu->adl;
@ -1054,6 +1056,12 @@ static bool fan_autotune(int gpu, int temp, int fanpercent, int lasttemp)
newpercent = iMax; newpercent = iMax;
else if (newpercent < iMin) else if (newpercent < iMin)
newpercent = iMin; newpercent = iMin;
if (newpercent <= top)
*fan_window = true;
else
*fan_window = false;
if (newpercent != fanpercent) { if (newpercent != fanpercent) {
applog(LOG_INFO, "Setting GPU %d fan percentage to %d", gpu, newpercent); applog(LOG_INFO, "Setting GPU %d fan percentage to %d", gpu, newpercent);
set_fanspeed(gpu, newpercent); set_fanspeed(gpu, newpercent);
@ -1065,7 +1073,7 @@ static bool fan_autotune(int gpu, int temp, int fanpercent, int lasttemp)
void gpu_autotune(int gpu, enum dev_enable *denable) void gpu_autotune(int gpu, enum dev_enable *denable)
{ {
int temp, fanpercent, engine, newengine, twintemp = 0; int temp, fanpercent, engine, newengine, twintemp = 0;
bool fan_optimal = true; bool fan_optimal = true, fan_window = true;
struct cgpu_info *cgpu; struct cgpu_info *cgpu;
struct gpu_adl *ga; struct gpu_adl *ga;
@ -1084,7 +1092,7 @@ void gpu_autotune(int gpu, enum dev_enable *denable)
if (temp && fanpercent >= 0 && ga->autofan) { if (temp && fanpercent >= 0 && ga->autofan) {
if (!ga->twin) if (!ga->twin)
fan_optimal = fan_autotune(gpu, temp, fanpercent, ga->lasttemp); fan_optimal = fan_autotune(gpu, temp, fanpercent, ga->lasttemp, &fan_window);
else if (ga->autofan && (ga->has_fanspeed || !ga->twin->autofan)) { else if (ga->autofan && (ga->has_fanspeed || !ga->twin->autofan)) {
/* On linked GPUs, we autotune the fan only once, based /* On linked GPUs, we autotune the fan only once, based
* on the highest temperature from either GPUs */ * on the highest temperature from either GPUs */
@ -1102,7 +1110,7 @@ void gpu_autotune(int gpu, enum dev_enable *denable)
fan_gpu = gpu; fan_gpu = gpu;
else else
fan_gpu = ga->twin->gpu; fan_gpu = ga->twin->gpu;
fan_optimal = fan_autotune(fan_gpu, hightemp, fanpercent, lasttemp); fan_optimal = fan_autotune(fan_gpu, hightemp, fanpercent, lasttemp, &fan_window);
} }
} }
@ -1126,7 +1134,7 @@ void gpu_autotune(int gpu, enum dev_enable *denable)
applog(LOG_DEBUG, "Temperature %d degrees over target, decreasing clock speed", opt_hysteresis); applog(LOG_DEBUG, "Temperature %d degrees over target, decreasing clock speed", opt_hysteresis);
newengine = engine - ga->lpOdParameters.sEngineClock.iStep; newengine = engine - ga->lpOdParameters.sEngineClock.iStep;
/* Only try to tune engine speed up if this GPU is not disabled */ /* Only try to tune engine speed up if this GPU is not disabled */
} else if (temp < ga->targettemp && engine < ga->maxspeed && *denable == DEV_ENABLED) { } else if (temp < ga->targettemp && engine < ga->maxspeed && fan_window && *denable == DEV_ENABLED) {
applog(LOG_DEBUG, "Temperature below target, increasing clock speed"); applog(LOG_DEBUG, "Temperature below target, increasing clock speed");
if (temp < ga->targettemp - opt_hysteresis) if (temp < ga->targettemp - opt_hysteresis)
newengine = ga->maxspeed; newengine = ga->maxspeed;