diff --git a/src/soc/intel/common/block/tcss/tcss.c b/src/soc/intel/common/block/tcss/tcss.c
index 1c4b9b3..5ebc129 100644
--- a/src/soc/intel/common/block/tcss/tcss.c
+++ b/src/soc/intel/common/block/tcss/tcss.c
@@ -21,7 +21,7 @@
 #define BIAS_CTRL_VW_INDEX_SHIFT		16
 #define BIAS_CTRL_BIT_POS_SHIFT			8
 #define WAIT_FOR_DISPLAYPORT_TIMEOUT_MS		1000
-#define WAIT_FOR_DP_MODE_ENTRY_TIMEOUT_MS	500
+#define WAIT_FOR_DP_MODE_ENTRY_TIMEOUT_MS	1500
 #define WAIT_FOR_HPD_TIMEOUT_MS			3000
 
 static uint32_t tcss_make_conn_cmd(int u, int u3, int u2, int ufp, int hsl,