drm/amd/pm: Update energy_accumulator in gpu metrics

Now that it is available.

v2: squash in typecast fix (Alex)
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c

@@ -1657,7 +1657,9 @@ static ssize_t aldebaran_get_gpu_metrics(struct smu_context *smu,
 	gpu_metrics->average_mm_activity = 0;
 
 	gpu_metrics->average_socket_power = metrics.AverageSocketPower;
-	gpu_metrics->energy_accumulator = 0;
+	gpu_metrics->energy_accumulator =
+			(uint64_t)metrics.EnergyAcc64bitHigh << 32 |
+			metrics.EnergyAcc64bitLow;
 
 	gpu_metrics->average_gfxclk_frequency = metrics.AverageGfxclkFrequency;
 	gpu_metrics->average_socclk_frequency = metrics.AverageSocclkFrequency;