[v7,35/54] drm/omap: hdmi4: Implement drm_bridge .hpd_notify() operation

Commit Message

Laurent Pinchart Feb. 22, 2020, 3 p.m. UTC

The HDMI4 encoder is transitioning to the drm_bridge API, implement the
last missing operation.

Signed-off-by: Laurent Pinchart <[e-mail]>
Reviewed-by: Tomi Valkeinen <[e-mail]>
Tested-by: Sebastian Reichel <[e-mail]>
Reviewed-by: Sebastian Reichel <[e-mail]>
---
 drivers/gpu/drm/omapdrm/dss/hdmi4.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

Patch

diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
index a8d13a081a9a..73f1fab346e9 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
@@ -553,6 +553,15 @@  static void hdmi4_bridge_disable(struct drm_bridge *bridge,
 	mutex_unlock(&hdmi->lock);
 }
 
+static void hdmi4_bridge_hpd_notify(struct drm_bridge *bridge,
+				    enum drm_connector_status status)
+{
+	struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
+
+	if (status == connector_status_disconnected)
+		hdmi4_cec_set_phys_addr(&hdmi->core, CEC_PHYS_ADDR_INVALID);
+}
+
 static struct edid *hdmi4_bridge_read_edid(struct omap_hdmi *hdmi,
 					   struct drm_connector *connector)
 {
@@ -575,6 +584,7 @@  static const struct drm_bridge_funcs hdmi4_bridge_funcs = {
 	.atomic_reset = drm_atomic_helper_bridge_reset,
 	.atomic_enable = hdmi4_bridge_enable,
 	.atomic_disable = hdmi4_bridge_disable,
+	.hpd_notify = hdmi4_bridge_hpd_notify,
 	.get_edid = hdmi4_bridge_get_edid,
 };