diff --git a/src/mainboard/google/rex/variants/ovis/overridetree.cb b/src/mainboard/google/rex/variants/ovis/overridetree.cb
index e15a7c4..1af0a0e 100644
--- a/src/mainboard/google/rex/variants/ovis/overridetree.cb
+++ b/src/mainboard/google/rex/variants/ovis/overridetree.cb
@@ -14,6 +14,14 @@
 	register "tcss_ports[1]" = "TCSS_PORT_DEFAULT(OC0)"
 	register "tcss_ports[2]" = "TCSS_PORT_DEFAULT(OC0)"
 
+	# Enable Display Port Configuration
+	register "ddi_ports_config" = "{
+		[DDI_PORT_1] = DDI_ENABLE_HPD,
+		[DDI_PORT_2] = DDI_ENABLE_HPD,
+		[DDI_PORT_3] = DDI_ENABLE_HPD,
+		[DDI_PORT_4] = DDI_ENABLE_HPD,
+	}"
+
 	register "serial_io_i2c_mode" = "{
 		[PchSerialIoIndexI2C0] = PchSerialIoDisabled,
 		[PchSerialIoIndexI2C1] = PchSerialIoDisabled,