--- a/sys/dev/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/sys/dev/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -400,14 +400,14 @@
 				VOLTAGE_SCALE) << VDDCI_SHIFT;
 	else if (dep_table->entries[i-1].vddci) {
 		vddci = phm_find_closest_vddci(&(data->vddci_voltage_table),
-				(dep_table->entries[i].vddc -
+				(dep_table->entries[i - 1].vddc -
 						(uint16_t)VDDC_VDDCI_DELTA));
 		*voltage |= (vddci * VOLTAGE_SCALE) << VDDCI_SHIFT;
 	}
 
 	if (SMU7_VOLTAGE_CONTROL_NONE == data->mvdd_control)
 		*mvdd = data->vbios_boot_state.mvdd_bootup_value * VOLTAGE_SCALE;
-	else if (dep_table->entries[i].mvdd)
+	else if (dep_table->entries[i - 1].mvdd)
 		*mvdd = (uint32_t) dep_table->entries[i - 1].mvdd * VOLTAGE_SCALE;
 
 	return 0;