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Implement changing memory speed and voltage on the fly.

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This commit is contained in:
Con Kolivas 2011-09-03 13:28:49 +10:00
parent 35ace46325
commit 3681ae84cc
1 changed files with 155 additions and 5 deletions
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160
adl.c
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@ -355,12 +355,134 @@ static int set_engineclock(int gpu, int iEngineClock)
return 0;
}
static void get_memoryrange(int gpu, int *imin, int *imax)
{
struct gpu_adl *ga;
if (!gpus[gpu].has_adl || !adl_active) {
wlogprint("Get memoryrange not supported\n");
return;
}
ga = &gpus[gpu].adl;
*imin = ga->lpOdParameters.sMemoryClock.iMin / 100;
*imax = ga->lpOdParameters.sMemoryClock.iMax / 100;
}
static int set_memoryclock(int gpu, int iMemoryClock)
{
ADLODPerformanceLevels *lpOdPerformanceLevels;
struct gpu_adl *ga;
int lev;
if (!gpus[gpu].has_adl || !adl_active) {
wlogprint("Set memoryclock not supported\n");
return 1;
}
iMemoryClock *= 100;
ga = &gpus[gpu].adl;
if (iMemoryClock > ga->lpOdParameters.sMemoryClock.iMax ||
iMemoryClock < ga->lpOdParameters.sMemoryClock.iMin)
return 1;
lev = ga->lpOdParameters.iNumberOfPerformanceLevels - 1;
lpOdPerformanceLevels = alloca(sizeof(ADLODPerformanceLevels) + (lev * sizeof(ADLODPerformanceLevel)));
lpOdPerformanceLevels->iSize = sizeof(ADLODPerformanceLevels) + sizeof(ADLODPerformanceLevel) * lev;
if (ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels) != ADL_OK)
return 1;
lpOdPerformanceLevels->aLevels[lev].iMemoryClock = iMemoryClock;
if (ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, lpOdPerformanceLevels) != ADL_OK)
return 1;
ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels);
/* Reset to old value if it fails! */
if (lpOdPerformanceLevels->aLevels[lev].iMemoryClock != iMemoryClock) {
/* Set all the parameters in case they're linked somehow */
lpOdPerformanceLevels->aLevels[lev].iMemoryClock = ga->iEngineClock;
lpOdPerformanceLevels->aLevels[lev].iMemoryClock = ga->iMemoryClock;
lpOdPerformanceLevels->aLevels[lev].iVddc = ga->iVddc;
ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, lpOdPerformanceLevels);
ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels);
return 1;
}
ga->iEngineClock = lpOdPerformanceLevels->aLevels[lev].iEngineClock;
ga->iMemoryClock = lpOdPerformanceLevels->aLevels[lev].iMemoryClock;
ga->iVddc = lpOdPerformanceLevels->aLevels[lev].iVddc;
return 0;
}
static void get_vddcrange(int gpu, float *imin, float *imax)
{
struct gpu_adl *ga;
if (!gpus[gpu].has_adl || !adl_active) {
wlogprint("Get vddcrange not supported\n");
return;
}
ga = &gpus[gpu].adl;
*imin = (float)ga->lpOdParameters.sVddc.iMin / 1000;
*imax = (float)ga->lpOdParameters.sVddc.iMax / 1000;
}
static float curses_float(const char *query)
{
float ret;
char *cvar;
cvar = curses_input(query);
ret = atof(cvar);
free(cvar);
return ret;
}
static int set_vddc(int gpu, float fVddc)
{
ADLODPerformanceLevels *lpOdPerformanceLevels;
struct gpu_adl *ga;
int iVddc, lev;
if (!gpus[gpu].has_adl || !adl_active) {
wlogprint("Set vddc not supported\n");
return 1;
}
iVddc = 1000 * fVddc;
ga = &gpus[gpu].adl;
if (iVddc > ga->lpOdParameters.sVddc.iMax ||
iVddc < ga->lpOdParameters.sVddc.iMin)
return 1;
lev = ga->lpOdParameters.iNumberOfPerformanceLevels - 1;
lpOdPerformanceLevels = alloca(sizeof(ADLODPerformanceLevels) + (lev * sizeof(ADLODPerformanceLevel)));
lpOdPerformanceLevels->iSize = sizeof(ADLODPerformanceLevels) + sizeof(ADLODPerformanceLevel) * lev;
if (ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels) != ADL_OK)
return 1;
lpOdPerformanceLevels->aLevels[lev].iVddc = iVddc;
if (ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, lpOdPerformanceLevels) != ADL_OK)
return 1;
ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels);
/* Reset to old value if it fails! */
if (lpOdPerformanceLevels->aLevels[lev].iVddc != iVddc) {
/* Set all the parameters in case they're linked somehow */
lpOdPerformanceLevels->aLevels[lev].iEngineClock = ga->iEngineClock;
lpOdPerformanceLevels->aLevels[lev].iMemoryClock = ga->iMemoryClock;
lpOdPerformanceLevels->aLevels[lev].iVddc = ga->iVddc;
ADL_Overdrive5_ODPerformanceLevels_Set(ga->iAdapterIndex, lpOdPerformanceLevels);
ADL_Overdrive5_ODPerformanceLevels_Get(ga->iAdapterIndex, 0, lpOdPerformanceLevels);
return 1;
}
ga->iEngineClock = lpOdPerformanceLevels->aLevels[lev].iEngineClock;
ga->iMemoryClock = lpOdPerformanceLevels->aLevels[lev].iMemoryClock;
ga->iVddc = lpOdPerformanceLevels->aLevels[lev].iVddc;
return 0;
}
void change_gpusettings(int gpu)
{
int val, imin = 0, imax = 0;
float fval, fmin = 0, fmax = 0;
char input;
wlogprint("Change [E]ngine\n");
wlogprint("Change [E]ngine [M]emory [V]oltage\n");
wlogprint("Or press any other key to continue\n");
input = getch();
@ -375,12 +497,40 @@ void change_gpusettings(int gpu)
return;
}
if (!set_engineclock(gpu, val))
wlogprint("Successfully modified clock speed\n");
wlogprint("Successfully modified engine clock speed\n");
else
wlogprint("Failed to modify clock speed\n");
wlogprint("Press any key to continue\n");
input = getch();
wlogprint("Failed to modify engine clock speed\n");
} else if (!strncasecmp(&input, "m", 1)) {
get_memoryrange(gpu, &imin, &imax);
wlogprint("Enter GPU memory clock speed (%d - %d Mhz):", imin, imax);
val = curses_int("");
if (val < imin || val > imax) {
wlogprint("Value is outside safe range, are you sure?\n");
input = getch();
if (strncasecmp(&input, "y", 1))
return;
}
if (!set_memoryclock(gpu, val))
wlogprint("Successfully modified memory clock speed\n");
else
wlogprint("Failed to modify memory clock speed\n");
} else if (!strncasecmp(&input, "v", 1)) {
get_vddcrange(gpu, &fmin, &fmax);
wlogprint("Enter GPU voltage (%.3f - %.3f Mhz):", fmin, fmax);
fval = curses_float("");
if (fval < fmin || fval > fmax) {
wlogprint("Value is outside safe range, are you sure?\n");
input = getch();
if (strncasecmp(&input, "y", 1))
return;
}
if (!set_vddc(gpu, fval))
wlogprint("Successfully modified voltage\n");
else
wlogprint("Failed to modify voltage\n");
}
wlogprint("Press any key to continue\n");
input = getch();
}
void clear_adl(void)