diff --git a/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_sienna_cichlid.h b/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_sienna_cichlid.h
index 11a6cf96fe0c..1275246769d9 100644
--- a/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_sienna_cichlid.h
+++ b/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_sienna_cichlid.h
@@ -27,7 +27,7 @@
 // *** IMPORTANT ***
 // SMU TEAM: Always increment the interface version if 
 // any structure is changed in this file
-#define SMU11_DRIVER_IF_VERSION 0x37
+#define SMU11_DRIVER_IF_VERSION 0x39
 
 #define PPTABLE_Sienna_Cichlid_SMU_VERSION 6
 
@@ -962,7 +962,7 @@ typedef struct {
   uint8_t                FanLinearPwmPoints[NUM_OD_FAN_MAX_POINTS];
   uint8_t                FanLinearTempPoints[NUM_OD_FAN_MAX_POINTS];
   uint16_t               MaxOpTemp;            // Degree Celcius
-  uint16_t               Padding_16[1];
+  int16_t                VddGfxOffset;         // in mV
   uint8_t                FanZeroRpmEnable;
   uint8_t                FanZeroRpmStopTemp;
   uint8_t                FanMode;
diff --git a/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h b/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h
index 7ae83df83edb..03198d214bba 100644
--- a/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h
+++ b/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h
@@ -30,7 +30,7 @@
 #define SMU11_DRIVER_IF_VERSION_NV10 0x36
 #define SMU11_DRIVER_IF_VERSION_NV12 0x36
 #define SMU11_DRIVER_IF_VERSION_NV14 0x36
-#define SMU11_DRIVER_IF_VERSION_Sienna_Cichlid 0x37
+#define SMU11_DRIVER_IF_VERSION_Sienna_Cichlid 0x39
 #define SMU11_DRIVER_IF_VERSION_Navy_Flounder 0x5
 
 /* MP Apertures */