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adl: Properly restore default perf levels

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We were copying the *pointer* to the perf levels structure rather
than the structure itself, and thus restoring the perf levels
did basically nothing.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2013-12-22 12:56:22 +11:00
parent f44d2fc57f
commit 4256bd10d8
1 changed files with 15 additions and 7 deletions
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22
adl.c
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@ -349,6 +349,7 @@ void init_adl(int nDevs)
int lpAdapterID;
ADLODPerformanceLevels *lpOdPerformanceLevels;
int lev, adlGpu;
size_t plsize;
adlGpu = gpus[gpu].virtual_adl;
i = vadapters[adlGpu].id;
@ -396,8 +397,9 @@ void init_adl(int nDevs)
lev = ga->lpOdParameters.iNumberOfPerformanceLevels - 1;
/* We're only interested in the top performance level */
lpOdPerformanceLevels = malloc(sizeof(ADLODPerformanceLevels) + (lev * sizeof(ADLODPerformanceLevel)));
lpOdPerformanceLevels->iSize = sizeof(ADLODPerformanceLevels) + sizeof(ADLODPerformanceLevel) * lev;
plsize = sizeof(ADLODPerformanceLevels) + lev * sizeof(ADLODPerformanceLevel);
lpOdPerformanceLevels = malloc(plsize);
lpOdPerformanceLevels->iSize = plsize;
/* Get default performance levels first */
if (ADL_Overdrive5_ODPerformanceLevels_Get(iAdapterIndex, 1, lpOdPerformanceLevels) != ADL_OK)
@ -410,10 +412,15 @@ void init_adl(int nDevs)
ga->lpFanSpeedValue.iSize = ga->DefFanSpeedValue.iSize = sizeof(ADLFanSpeedValue);
ga->lpFanSpeedValue.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_PERCENT;
ga->DefFanSpeedValue.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_PERCENT;
/* Now get the current performance levels for any existing overclock */
ADL_Overdrive5_ODPerformanceLevels_Get(iAdapterIndex, 0, lpOdPerformanceLevels);
/* Save these values as the defaults in case we wish to reset to defaults */
ga->DefPerfLev = lpOdPerformanceLevels;
if (ADL_Overdrive5_ODPerformanceLevels_Get(iAdapterIndex, 0, lpOdPerformanceLevels) != ADL_OK)
applog(LOG_INFO, "Failed to ADL_Overdrive5_ODPerformanceLevels_Get");
else {
/* Save these values as the defaults in case we wish to reset to defaults */
ga->DefPerfLev = malloc(plsize);
memcpy(ga->DefPerfLev, lpOdPerformanceLevels, plsize);
}
if (gpus[gpu].gpu_engine) {
int setengine = gpus[gpu].gpu_engine * 100;
@ -1248,7 +1255,8 @@ void set_defaultengine(int gpu)
ga = &gpus[gpu].adl;
lock_adl();
ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, ga->DefPerfLev);
if (ga->DefPerfLev)
ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, ga->DefPerfLev);
unlock_adl();
}
@ -1435,7 +1443,7 @@ void clear_adl(int nDevs)
for (i = 0; i < nDevs; i++) {
ga = &gpus[i].adl;
/* Only reset the values if we've changed them at any time */
if (!gpus[i].has_adl || !ga->managed)
if (!gpus[i].has_adl || !ga->managed || !ga->DefPerfLev)
continue;
ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, ga->DefPerfLev);
free(ga->DefPerfLev);