[rocm-smi-lib] add HBM temperature conversion factor

Change-Id: I45339c87c3d2a40670baf1b76ada60dceb650dc0

include/rocm_smi/rocm_smi.h

@@ -838,6 +838,9 @@ struct metrics_table_header_t {
 // This should match NUM_HBM_INSTANCES
 #define RSMI_NUM_HBM_INSTANCES 4
 
+// Unit conversion factor for HBM temperatures
+#define CENTRIGRADE_TO_MILLI_CENTIGRADE 1000
+
 typedef struct {
   // TODO(amd) Doxygen documents
   /// \cond Ignore in docs.

src/rocm_smi.cc

@@ -2062,13 +2062,17 @@ rsmi_dev_temp_metric_get(uint32_t dv_ind, uint32_t sensor_type,
        }
 
        if (sensor_type == RSMI_TEMP_TYPE_HBM_0) {
-         *temperature = gpu_metrics.temperature_hbm[0];
+         *temperature = gpu_metrics.temperature_hbm[0] *
+         CENTRIGRADE_TO_MILLI_CENTIGRADE;
        } else if (sensor_type == RSMI_TEMP_TYPE_HBM_1) {
-         *temperature = gpu_metrics.temperature_hbm[1];
+         *temperature = gpu_metrics.temperature_hbm[1] *
+         CENTRIGRADE_TO_MILLI_CENTIGRADE;
        } else if (sensor_type == RSMI_TEMP_TYPE_HBM_2) {
-         *temperature = gpu_metrics.temperature_hbm[2];
+         *temperature = gpu_metrics.temperature_hbm[2] *
+         CENTRIGRADE_TO_MILLI_CENTIGRADE;
        } else if (sensor_type == RSMI_TEMP_TYPE_HBM_3) {
-         *temperature = gpu_metrics.temperature_hbm[3];
+         *temperature = gpu_metrics.temperature_hbm[3] *
+         CENTRIGRADE_TO_MILLI_CENTIGRADE;
        } else {
          return RSMI_STATUS_NOT_SUPPORTED;
        }