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[RFC,3/4] drm/bridge_connector: implement oob_hotplug_event

Message ID 20220429192928.3697407-4-dmitry.baryshkov@linaro.org
State New
Headers show
Series drm/msm/dp: implement HPD notifications handling | expand

Commit Message

Dmitry Baryshkov April 29, 2022, 7:29 p.m. UTC 
Implement the oob_hotplug_event() callback. Translate it to the the HPD
notification sent to the HPD bridge in the chain.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/drm_bridge_connector.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c
index a0b742ebb330..b14af1c7ac07 100644
--- a/drivers/gpu/drm/drm_bridge_connector.c
+++ b/drivers/gpu/drm/drm_bridge_connector.c
@@ -123,6 +123,17 @@  static void drm_bridge_connector_hpd_cb(void *cb_data,
 	drm_kms_helper_hotplug_event(dev);
 }
 
+static void drm_bridge_connector_oob_hotplug_event(struct drm_connector *connector,
+						   enum drm_connector_status status)
+{
+	struct drm_bridge_connector *bridge_connector =
+		to_drm_bridge_connector(connector);
+	struct drm_bridge *hpd = bridge_connector->bridge_hpd;
+
+	if (hpd)
+		drm_bridge_hpd_notify(hpd, status);
+}
+
 /**
  * drm_bridge_connector_enable_hpd - Enable hot-plug detection for the connector
  * @connector: The DRM bridge connector
@@ -233,6 +244,7 @@  static const struct drm_connector_funcs drm_bridge_connector_funcs = {
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 	.debugfs_init = drm_bridge_connector_debugfs_init,
+	.oob_hotplug_event = drm_bridge_connector_oob_hotplug_event,
 };
 
 /* -----------------------------------------------------------------------------