[PATCH v2 09/10] drm: bridge: dw_hdmi: Update EDID during hotplug processing

[Jonas Karlman]

Update successfully read EDID during hotplug processing to ensure the
connector diplay_info is always up-to-date.

Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
v2: No change
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index c19307120909..7bd9f895f03f 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2457,6 +2457,18 @@ dw_hdmi_connector_detect(struct drm_connector *connector, bool force)
 
 	status = dw_hdmi_detect(hdmi);
 
+	/* Update EDID during hotplug processing (force=false) */
+	if (status == connector_status_connected && !force) {
+		const struct drm_edid *drm_edid;
+
+		drm_edid = dw_hdmi_edid_read(hdmi, connector);
+		if (drm_edid)
+			drm_edid_connector_update(connector, drm_edid);
+		cec_notifier_set_phys_addr(hdmi->cec_notifier,
+			connector->display_info.source_physical_address);
+		drm_edid_free(drm_edid);
+	}
+
 	if (status == connector_status_disconnected)
 		cec_notifier_phys_addr_invalidate(hdmi->cec_notifier);
 
-- 
2.46.0