diff --git a/plat/nvidia/tegra/common/drivers/pmc/pmc.c b/plat/nvidia/tegra/common/drivers/pmc/pmc.c
index 5796ac7..6e7f23c 100644
--- a/plat/nvidia/tegra/common/drivers/pmc/pmc.c
+++ b/plat/nvidia/tegra/common/drivers/pmc/pmc.c
@@ -52,6 +52,13 @@
 	uint32_t val;
 
 	/*
+	 * Check if CPU is already power ungated
+	 */
+	val = tegra_pmc_read_32(PMC_PWRGATE_STATUS);
+	if (val & (1 << pmc_cpu_powergate_id[cpu]))
+		return;
+
+	/*
 	 * The PMC deasserts the START bit when it starts the power
 	 * ungate process. Loop till no power toggle is in progress.
 	 */