Commit 8ae273c56c22b1ec5cfa06391e03f7ec52abf94d
2011-09-04T22:08:42
Implement setting the GPU voltage of all devices or each device as a comma separated value.
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diff --git a/adl.c b/adl.c
index c8dd290..49aa7e0 100644
--- a/adl.c
+++ b/adl.c
@@ -230,6 +230,11 @@ void init_adl(int nDevs)
applog(LOG_INFO, "Setting GPU %d memory clock to %d", gpu, gpus[gpu].gpu_memclock);
ADL_Overdrive5_ODPerformanceLevels_Set(iAdapterIndex, lpOdPerformanceLevels);
}
+ if (gpus[gpu].gpu_vddc) {
+ lpOdPerformanceLevels->aLevels[lev].iVddc = gpus[gpu].gpu_vddc * 1000;
+ applog(LOG_INFO, "Setting GPU %d voltage to %.3f", gpu, gpus[gpu].gpu_vddc);
+ ADL_Overdrive5_ODPerformanceLevels_Set(iAdapterIndex, lpOdPerformanceLevels);
+ }
ADL_Overdrive5_ODPerformanceLevels_Get(iAdapterIndex, 0, lpOdPerformanceLevels);
ga->iEngineClock = lpOdPerformanceLevels->aLevels[lev].iEngineClock;
ga->iMemoryClock = lpOdPerformanceLevels->aLevels[lev].iMemoryClock;
diff --git a/main.c b/main.c
index 4cbad3f..c938aeb 100644
--- a/main.c
+++ b/main.c
@@ -1166,6 +1166,34 @@ static char *set_gpu_memclock(char *arg)
return NULL;
}
+static char *set_gpu_vddc(char *arg)
+{
+ int i, device = 0;
+ float val = 0;
+ char *saveptr = NULL, *nextptr;
+
+ nextptr = strtok_r(arg, ",", &saveptr);
+ if (nextptr == NULL)
+ return "Invalid parameters for set gpu vddc";
+ val = atof(nextptr);
+ if (val <= 0 || val >= 9999)
+ return "Invalid value passed to set_gpu_vddc";
+
+ gpus[device++].gpu_vddc = val;
+
+ while ((nextptr = strtok_r(NULL, ",", &saveptr)) != NULL) {
+ val = atoi(nextptr);
+ if (val <= 0 || val >= 9999)
+ return "Invalid value passed to set_gpu_vddc";
+
+ gpus[device++].gpu_vddc = val;
+ }
+ for (i = device; i < 16; i++)
+ gpus[i].gpu_vddc = val;
+
+ return NULL;
+}
+
#endif
/* These options are available from config file or commandline */
@@ -1235,6 +1263,9 @@ static struct opt_table opt_config_table[] = {
OPT_WITH_ARG("--gpu-memclock",
set_gpu_memclock, NULL, NULL,
"Set the GPU memory (over)clock in Mhz - one value for all or separate by commas for per card."),
+ OPT_WITH_ARG("--gpu-vddc",
+ set_gpu_vddc, NULL, NULL,
+ "Set the GPU voltage in Volts - one value for all or separate by commas for per card."),
#endif
OPT_WITH_ARG("--intensity|-I",
forced_int_1010, NULL, &scan_intensity,
diff --git a/miner.h b/miner.h
index 6988be4..c5477e5 100644
--- a/miner.h
+++ b/miner.h
@@ -200,6 +200,7 @@ struct cgpu_info {
struct gpu_adl adl;
int gpu_engine;
int gpu_memclock;
+ float gpu_vddc;
#endif
};