diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/reg_ops.c b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/reg_ops.c
index 99e64875da3c..8f2b4f1fc221 100644
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/reg_ops.c
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/reg_ops.c
@@ -79,7 +79,7 @@ static struct reg_map reg_maps_def[] = {
 /* For txlx */
 static struct reg_map reg_maps_txlx[] = {
 	[CBUS_REG_IDX] = { /* CBUS */
-		.phy_addr = 0xffd0f000,
+		.phy_addr = 0xffd00000,
 		.size = 0xa00000,
 	},
 	[PERIPHS_REG_IDX] = { /* PERIPHS */
@@ -99,7 +99,7 @@ static struct reg_map reg_maps_txlx[] = {
 		.size = 0x2000,
 	},
 	[RESET_CBUS_REG_IDX] = { /* RESET */
-		.phy_addr = 0xffd01000,
+		.phy_addr = 0xffd00000,
 		.size = 0x100,
 	},
 	[HDMITX_SEC_REG_IDX] = { /* HDMITX SECURE */
@@ -119,7 +119,7 @@ static struct reg_map reg_maps_txlx[] = {
 /* For g12a */
 static struct reg_map reg_maps_g12a[] = {
 	[CBUS_REG_IDX] = { /* CBUS */
-		.phy_addr = 0xffd0f000,
+		.phy_addr = 0xffd00000,
 		.size = 0xa00000,
 	},
 	[PERIPHS_REG_IDX] = { /* PERIPHS */
@@ -139,7 +139,7 @@ static struct reg_map reg_maps_g12a[] = {
 		.size = 0x2000,
 	},
 	[RESET_CBUS_REG_IDX] = { /* RESET */
-		.phy_addr = 0xffd01000,
+		.phy_addr = 0xffd00000,
 		.size = 0x100,
 	},
 	[HDMITX_SEC_REG_IDX] = { /* HDMITX DWC LEVEL*/
diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/txlx_reg.h b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/txlx_reg.h
index fb40e47a13c9..c1107c34e8f3 100644
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/txlx_reg.h
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/txlx_reg.h
@@ -24,7 +24,7 @@
 #define RESET2_REGISTER 0x1003
 #define P_RESET2_REGISTER RESET_CBUS_REG_ADDR(RESET2_REGISTER)
 
-#define ISA_DEBUG_REG0 0x00
+#define ISA_DEBUG_REG0 0x3c00
 #define P_ISA_DEBUG_REG0 CBUS_REG_ADDR(ISA_DEBUG_REG0)
 
 #endif