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 cc26522c1bcf..67a9ad1aecd8 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
@@ -164,7 +164,7 @@ void init_reg_map(unsigned int type)
 	switch (type) {
 	case MESON_CPU_ID_G12A:
 		map = reg_maps_g12a;
-		for (i = 0; i <= REG_IDX_END; i++) {
+		for (i = 0; i < REG_IDX_END; i++) {
 			map[i].p = ioremap(map[i].phy_addr, map[i].size);
 			if (!map[i].p) {
 				pr_info("hdmitx20: failed Mapped PHY: 0x%x\n",
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 c1107c34e8f3..fb40e47a13c9 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 0x3c00
+#define ISA_DEBUG_REG0 0x00
 #define P_ISA_DEBUG_REG0 CBUS_REG_ADDR(ISA_DEBUG_REG0)
 
 #endif