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soc/mediatek/common: Remove 200 ms delay from eDP init path

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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>
This commit is contained in:
Yidi Lin 2025-08-11 14:54:03 +08:00
commit df7bf9404d
1 changed files with 0 additions and 1 deletions
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src/soc/mediatek/common/display.c
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@ -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;