diff --git a/src/mainboard/google/corsola/display.c b/src/mainboard/google/corsola/display.c
index fd269ec..48ab58e 100644
--- a/src/mainboard/google/corsola/display.c
+++ b/src/mainboard/google/corsola/display.c
@@ -19,6 +19,20 @@
 /* Bridge functions */
 static void bridge_ps8640_power_on(void)
 {
+	/*
+	 * PS8640 power-on sequence is described in chapter 14, PS8640_DS_V1.4_20200210.docx
+	 * - set VDD12 to be 1.2V
+	 * - set VDD33 to be 3.3V
+	 * - pull hign PD#
+	 * - pull down RST#
+	 * - delay 2ms
+	 * - pull high RST#
+	 * - delay more than 50ms (55ms for margin)
+	 * - pull down RST#
+	 * - delay more than 50ms (55ms for margin)
+	 * - pull high RST#
+	 */
+
 	/* Set VRF12 to 1.2V and VCN33 to 3.3V */
 	mainboard_set_regulator_vol(MTK_REGULATOR_VRF12, 1200000);
 	mainboard_set_regulator_vol(MTK_REGULATOR_VCN33, 3300000);
@@ -29,6 +43,10 @@
 	gpio_output(GPIO_EDPBRDG_RST_L, 0);
 	mdelay(2);
 	gpio_output(GPIO_EDPBRDG_RST_L, 1);
+	mdelay(55);
+	gpio_output(GPIO_EDPBRDG_RST_L, 0);
+	mdelay(55);
+	gpio_output(GPIO_EDPBRDG_RST_L, 1);
 }
 
 static int bridge_ps8640_get_edid(u8 i2c_bus, struct edid *edid)