linux-kernel - [PATCH 5/5] drm: dw-hdmi: update ELD on HPD event

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Date:   Sun, 1 Sep 2019 16:14:43 +0000
From:   Jonas Karlman <jonas@...boo.se>
To:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>
CC:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Sean Paul <sean@...rly.run>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Hans Verkuil <hverkuil@...all.nl>,
        Jerome Brunet <jbrunet@...libre.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jonas Karlman <jonas@...boo.se>
Subject: [PATCH 5/5] drm: dw-hdmi: update ELD on HPD event

Update connector ELD on HPD event, fixes stale ELD when
HDMI cable is unplugged/replugged or AVR is powered on/off.

Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 0f07be1b5914..0a8268b20561 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2178,6 +2178,8 @@ static int dw_hdmi_connector_update_edid(struct drm_connector *connector,
 		cec_notifier_set_phys_addr_from_edid(hdmi->cec_notifier, edid);
 		if (add_modes)
 			ret = drm_add_edid_modes(connector, edid);
+		else
+			drm_edid_to_eld(connector, edid);
 		kfree(edid);
 	} else {
 		dev_dbg(hdmi->dev, "failed to get edid\n");
-- 
2.17.1