[PATCH] drm/edid: fixed the bug that hdr metadata was not cleared

[李飞娟]

>From a34a1e2dd7aacd45f18775564fce12b03ae4009c Mon Sep 17 00:00:00 2001
From: "feijuan.li" <feijuan.li at samsung.com>
Date: Wed, 16 Apr 2025 11:07:39 +0000
Subject: [PATCH] drm/edid: fixed the bug that hdr metadata was not cleared

When DP connected to a device with HDR capability,
the hdr structure was filled.Then connected to another
sink device without hdr capability, but the hdr info
still exist.

Signed-off-by: feijuan.li <feijuan.li at samsung.com>
---
 drivers/gpu/drm/drm_edid.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 13bc4c290b17..5cf5d30321b6 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -5607,6 +5607,7 @@ static void clear_eld(struct drm_connector *connector)
 {
 	mutex_lock(&connector->eld_mutex);
 	memset(connector->eld, 0, sizeof(connector->eld));
+	memset(&connector->hdr_sink_metadata, 0, sizeof(connector->hdr_sink_metadata));
 	mutex_unlock(&connector->eld_mutex);
 
 	connector->latency_present[0] = false;
-- 
2.25.1