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Implement nv_powermizer_mode option to allow setting the Nvidia powermizer mode

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This commit is contained in:
Marc Di Luzio
2019-03-08 15:55:22 +00:00
committed by Alex Smith
parent 9ade4481c3
commit 834a18aab4
7 changed files with 101 additions and 35 deletions
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74
daemon/gpuclockctl.c
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@@ -39,7 +39,9 @@ POSSIBILITY OF SUCH DAMAGE.
/* NV constants */
#define NV_CORE_OFFSET_ATTRIBUTE "GPUGraphicsClockOffset"
#define NV_MEM_OFFSET_ATTRIBUTE "GPUMemoryTransferRateOffset"
#define NV_ATTRIBUTE_FORMAT "[gpu:%ld]/%s[%ld]"
#define NV_POWERMIZER_MODE_ATTRIBUTE "GPUPowerMizerMode"
#define NV_ATTRIBUTE_FORMAT "[gpu:%ld]/%s"
#define NV_PERF_LEVEL_FORMAT "[%ld]"
/* AMD constants */
#define AMD_DRM_PATH "/sys/class/drm/card%ld/device/%s"
@@ -71,16 +73,16 @@ static int get_gpu_state_nv(struct GameModeGPUInfo *info)
char buf[EXTERNAL_BUFFER_MAX] = { 0 };
char *end;
/* Set the GPUGraphicsClockOffset parameter */
/* Get the GPUGraphicsClockOffset parameter */
snprintf(arg,
128,
NV_ATTRIBUTE_FORMAT,
NV_ATTRIBUTE_FORMAT NV_PERF_LEVEL_FORMAT,
info->device,
NV_CORE_OFFSET_ATTRIBUTE,
info->nv_perf_level);
const char *exec_args_core[] = { "/usr/bin/nvidia-settings", "-q", arg, "-t", NULL };
if (run_external_process(exec_args_core, buf, -1) != 0) {
LOG_ERROR("Failed to set %s!\n", arg);
LOG_ERROR("Failed to get %s!\n", arg);
return -1;
}
@@ -90,16 +92,16 @@ static int get_gpu_state_nv(struct GameModeGPUInfo *info)
return -1;
}
/* Set the GPUMemoryTransferRateOffset parameter */
/* Get the GPUMemoryTransferRateOffset parameter */
snprintf(arg,
128,
NV_ATTRIBUTE_FORMAT,
NV_ATTRIBUTE_FORMAT NV_PERF_LEVEL_FORMAT,
info->device,
NV_MEM_OFFSET_ATTRIBUTE,
info->nv_perf_level);
const char *exec_args_mem[] = { "/usr/bin/nvidia-settings", "-q", arg, "-t", NULL };
if (run_external_process(exec_args_mem, buf, -1) != 0) {
LOG_ERROR("Failed to set %s!\n", arg);
LOG_ERROR("Failed to get %s!\n", arg);
return -1;
}
@@ -109,6 +111,20 @@ static int get_gpu_state_nv(struct GameModeGPUInfo *info)
return -1;
}
/* Get the GPUPowerMizerMode parameter */
snprintf(arg, 128, NV_ATTRIBUTE_FORMAT, info->device, NV_POWERMIZER_MODE_ATTRIBUTE);
const char *exec_args_pm[] = { "/usr/bin/nvidia-settings", "-q", arg, "-t", NULL };
if (run_external_process(exec_args_pm, buf, -1) != 0) {
LOG_ERROR("Failed to get %s!\n", arg);
return -1;
}
info->nv_powermizer_mode = strtol(buf, &end, 10);
if (end == buf) {
LOG_ERROR("Failed to parse output for \"%s\" output was \"%s\"!\n", arg, buf);
return -1;
}
return 0;
}
@@ -125,33 +141,49 @@ static int set_gpu_state_nv(struct GameModeGPUInfo *info)
"Setting Nvidia parameters requires DISPLAY and XAUTHORITY to be set - will likely "
"fail!\n");
char arg[128] = { 0 };
/* Set the GPUGraphicsClockOffset parameter */
char core_arg[128];
snprintf(core_arg,
snprintf(arg,
128,
NV_ATTRIBUTE_FORMAT "=%ld",
NV_ATTRIBUTE_FORMAT NV_PERF_LEVEL_FORMAT "=%ld",
info->device,
NV_CORE_OFFSET_ATTRIBUTE,
info->nv_perf_level,
info->nv_core);
const char *exec_args_core[] = { "/usr/bin/nvidia-settings", "-a", core_arg, NULL };
const char *exec_args_core[] = { "/usr/bin/nvidia-settings", "-a", arg, NULL };
if (run_external_process(exec_args_core, NULL, -1) != 0) {
LOG_ERROR("Failed to set %s!\n", core_arg);
LOG_ERROR("Failed to set %s!\n", arg);
return -1;
}
/* Set the GPUMemoryTransferRateOffset parameter */
char mem_arg[128];
snprintf(mem_arg,
snprintf(arg,
128,
NV_ATTRIBUTE_FORMAT "=%ld",
NV_ATTRIBUTE_FORMAT NV_PERF_LEVEL_FORMAT "=%ld",
info->device,
NV_MEM_OFFSET_ATTRIBUTE,
info->nv_perf_level,
info->nv_mem);
const char *exec_args_mem[] = { "/usr/bin/nvidia-settings", "-a", mem_arg, NULL };
const char *exec_args_mem[] = { "/usr/bin/nvidia-settings", "-a", arg, NULL };
if (run_external_process(exec_args_mem, NULL, -1) != 0) {
LOG_ERROR("Failed to set %s!\n", mem_arg);
LOG_ERROR("Failed to set %s!\n", arg);
return -1;
}
/* Set the GPUPowerMizerMode parameter if requested */
if (info->nv_powermizer_mode == -1)
return 0;
snprintf(arg,
128,
NV_ATTRIBUTE_FORMAT "=%ld",
info->device,
NV_POWERMIZER_MODE_ATTRIBUTE,
info->nv_powermizer_mode);
const char *exec_args_pm[] = { "/usr/bin/nvidia-settings", "-a", arg, NULL };
if (run_external_process(exec_args_pm, NULL, -1) != 0) {
LOG_ERROR("Failed to set %s!\n", arg);
return -1;
}
@@ -306,7 +338,7 @@ int main(int argc, char *argv[])
/* Get nvidia power level */
if (get_gpu_state_nv(&info) != 0)
exit(EXIT_FAILURE);
printf("%ld %ld\n", info.nv_core, info.nv_mem);
printf("%ld %ld %ld\n", info.nv_core, info.nv_mem, info.nv_powermizer_mode);
break;
case Vendor_AMD:
if (get_gpu_state_amd(&info) != 0)
@@ -318,7 +350,7 @@ int main(int argc, char *argv[])
break;
}
} else if (argc >= 5 && argc <= 7 && strncmp(argv[3], "set", 3) == 0) {
} else if (argc >= 5 && argc <= 8 && strncmp(argv[3], "set", 3) == 0) {
/* Get and verify the vendor and device */
struct GameModeGPUInfo info;
memset(&info, 0, sizeof(info));
@@ -331,6 +363,10 @@ int main(int argc, char *argv[])
info.nv_mem = get_generic_value(argv[5]);
if (argc > 6)
info.nv_perf_level = get_generic_value(argv[6]);
if (argc > 7)
info.nv_powermizer_mode = get_generic_value(argv[7]);
else
info.nv_powermizer_mode = -1;
break;
case Vendor_AMD:
strncpy(info.amd_performance_level, argv[4], CONFIG_VALUE_MAX);