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[7/8] drm: bridge: dw_hdmi: Update EDID during hotplug processing

Message ID 20240611155108.1436502-8-jonas@kwiboo.se (mailing list archive)
State New, archived
Headers show
Series drm: bridge: dw_hdmi: Misc enable/disable, CEC and EDID cleanup | expand

Commit Message

Jonas Karlman June 11, 2024, 3:50 p.m. UTC 
Update successfully read EDID during hotplug processing to ensure the
connector diplay_info is always up-to-date.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 256e00a97a9a..a9c39584d31b 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2458,6 +2458,18 @@  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);