[S] Change in coreboot[master]: soc/mediatek: Add error handle for dptx_get_edid()

[Liju-Clr Chen (Code Review)]

Liju-Clr Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/69858 )

Change subject: soc/mediatek: Add error handle for dptx_get_edid()
......................................................................

soc/mediatek: Add error handle for dptx_get_edid()

Skip initialization for display when we failed to get EDID.

BUG=b:233720142
TEST=emerge-geralt coreboot.

Change-Id: I0fd672b175feb9b813c1d9ec4140e4273079ff07
Signed-off-by: Liju-Clr Chen 
---
M src/soc/mediatek/common/dp/dptx.c
1 file changed, 19 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/58/69858/1

diff --git a/src/soc/mediatek/common/dp/dptx.c b/src/soc/mediatek/common/dp/dptx.c
index f2c0905..b836a98 100644
--- a/src/soc/mediatek/common/dp/dptx.c
+++ b/src/soc/mediatek/common/dp/dptx.c
@@ -1111,7 +1111,10 @@

dptx_check_sinkcap(&mtk_edp);

-	dptx_get_edid(&mtk_edp, edid);
+	if (!dptx_get_edid(&mtk_edp, edid)) {
+		printk(BIOS_ERR, "Failed to get EDID.\n");
+		return -1;
+	}

dptx_set_trainingstart(&mtk_edp);
    dp_intf_config(edid);