diff --git a/plat/mediatek/include/mtk_sip_def.h b/plat/mediatek/include/mtk_sip_def.h
index d760101..7449371 100644
--- a/plat/mediatek/include/mtk_sip_def.h
+++ b/plat/mediatek/include/mtk_sip_def.h
@@ -10,6 +10,7 @@
 /* Define SiP SMC ID here */
 #define MTK_SIP_SMC_FROM_NS_EL1_TABLE(_func) \
 	_func(MTK_SIP_KERNEL_TIME_SYNC, 0x202) \
+	_func(MTK_SIP_KERNEL_DFD, 0x205) \
 	_func(MTK_SIP_VCORE_CONTROL, 0x506) \
 	_func(MTK_SIP_IOMMU_CONTROL, 0x514) \
 	_func(MTK_SIP_APUSYS_CONTROL, 0x51E) \
diff --git a/plat/mediatek/mt8186/include/plat_sip_calls.h b/plat/mediatek/mt8186/include/plat_sip_calls.h
index 9e3726b..2b99fdb 100644
--- a/plat/mediatek/mt8186/include/plat_sip_calls.h
+++ b/plat/mediatek/mt8186/include/plat_sip_calls.h
@@ -10,10 +10,6 @@
 /*******************************************************************************
  * Plat SiP function constants
  ******************************************************************************/
-#define MTK_PLAT_SIP_NUM_CALLS		(2)
-
-/* DFD */
-#define MTK_SIP_KERNEL_DFD_AARCH32	(0x82000205)
-#define MTK_SIP_KERNEL_DFD_AARCH64	(0xC2000205)
+#define MTK_PLAT_SIP_NUM_CALLS		(4)
 
 #endif /* PLAT_SIP_CALLS_H */
diff --git a/plat/mediatek/mt8192/include/plat_sip_calls.h b/plat/mediatek/mt8192/include/plat_sip_calls.h
index f68a4ea..fdc7bea 100644
--- a/plat/mediatek/mt8192/include/plat_sip_calls.h
+++ b/plat/mediatek/mt8192/include/plat_sip_calls.h
@@ -10,10 +10,6 @@
 /*******************************************************************************
  * Plat SiP function constants
  ******************************************************************************/
-#define MTK_PLAT_SIP_NUM_CALLS    2
-
-/* DFD */
-#define MTK_SIP_KERNEL_DFD_AARCH32		0x82000205
-#define MTK_SIP_KERNEL_DFD_AARCH64		0xC2000205
+#define MTK_PLAT_SIP_NUM_CALLS    (4)
 
 #endif /* PLAT_SIP_CALLS_H */
diff --git a/plat/mediatek/mt8195/include/plat_sip_calls.h b/plat/mediatek/mt8195/include/plat_sip_calls.h
index 5562a67..7d1f9fc 100644
--- a/plat/mediatek/mt8195/include/plat_sip_calls.h
+++ b/plat/mediatek/mt8195/include/plat_sip_calls.h
@@ -10,18 +10,6 @@
 /*******************************************************************************
  * Plat SiP function constants
  ******************************************************************************/
-#define MTK_PLAT_SIP_NUM_CALLS    6
-
-/* DFD */
-#define MTK_SIP_KERNEL_DFD_AARCH32	0x82000205
-#define MTK_SIP_KERNEL_DFD_AARCH64	0xC2000205
-
-/* DP/eDP */
-#define MTK_SIP_DP_CONTROL_AARCH32	0x82000523
-#define MTK_SIP_DP_CONTROL_AARCH64	0xC2000523
-
-/* APUSYS SMC call */
-#define MTK_SIP_APUSYS_CONTROL_AARCH32	0x8200051E
-#define MTK_SIP_APUSYS_CONTROL_AARCH64	0xC200051E
+#define MTK_PLAT_SIP_NUM_CALLS    (8)
 
 #endif /* PLAT_SIP_CALLS_H */