rocm_smi.py: Show 'Out of Spec' warning only if required

Use default power cap exposed via sysfs to determine when to
show 'Out of Spec" warning.

Signed-off-by: Ori Messinger <Ori.Messinger@amd.com>
Change-Id: I0fa3612b50e230856b0d5a390f876b35268d9587


[ROCm/amdsmi commit: b71e07b3fb]

projects/amdsmi/python_smi_tools/rocm_smi.py

@@ -1140,8 +1140,11 @@ def setPowerOverDrive(deviceList, value, autoRespond):
         # Wattage input value converted to microWatt for ROCm SMI Lib
         new_power_cap.value = int(value) * 1000000
         ret = rocmsmi.rsmi_dev_power_cap_get(device, 0, byref(current_power_cap))
-        ret = rocmsmi.rsmi_dev_power_cap_set(device, 0, 0)
-        ret = rocmsmi.rsmi_dev_power_cap_get(device, 0, byref(default_power_cap))
+        ret = rocmsmi.rsmi_dev_power_cap_default_get(device, byref(default_power_cap))
+        # If rsmi_dev_power_cap_default_get fails, use manual workaround to fetch default power cap
+        if ret != 0:
+            ret = rocmsmi.rsmi_dev_power_cap_set(device, 0, 0)
+            ret = rocmsmi.rsmi_dev_power_cap_get(device, 0, byref(default_power_cap))
         if current_power_cap.value < default_power_cap.value:
             current_power_cap.value = default_power_cap.value
         if not specWarningConfirmed and new_power_cap.value > current_power_cap.value: