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 7a6d049e65e3..a1079256d318 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
@@ -1176,7 +1176,7 @@ typedef struct {
   uint16_t         LedGpio;            //GeneriA GPIO flag used to control the radeon LEDs
   uint16_t         GfxPowerStagesGpio; //Genlk_vsync GPIO flag used to control gfx power stages 
 
-  uint32_t         SkuReserved[16];
+  uint32_t         SkuReserved[55];