From df7bf9404d5805c84a1d37d00ad44df35cd5e92b Mon Sep 17 00:00:00 2001
From: Yidi Lin <yidilin@google.com>
Date: Mon, 11 Aug 2025 14:54:03 +0800
Subject: [PATCH] soc/mediatek/common: Remove 200 ms delay from eDP init path

According to MediaTek, this delay was added in the driver bring-up stage
to mitigate the display garbage issue. Now, the delay can be removed.

BUG=b:434574691
TEST=Check FW screen on Navi

Change-Id: I5408d95be7a4aaf8bb4bb639c319320514c4fd99
Signed-off-by: Yidi Lin <yidilin@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88744
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
---
 src/soc/mediatek/common/display.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/soc/mediatek/common/display.c b/src/soc/mediatek/common/display.c
index 417a764499..c805c6d664 100644
--- a/src/soc/mediatek/common/display.c
+++ b/src/soc/mediatek/common/display.c
@@ -90,7 +90,6 @@ int mtk_display_init(void)
 	process_panel_quirks(&mtk_edp, panel);
 
 	if (panel->disp_path == DISP_PATH_EDP) {
-		mdelay(200);
 		if (mtk_edp_init(&mtk_edp, &edid) < 0) {
 			printk(BIOS_ERR, "%s: Failed to initialize eDP\n", __func__);
 			return -1;