Commit a7748dd1 authored by Luca Ceresoli's avatar Luca Ceresoli
Browse files

drm/bridge: get/put the bridge reference in drm_bridge_add/remove() 



drm_bridge_add() adds the bridge to the global bridge_list, so take a
reference for that. Vice versa in drm_bridge_remove().

Reviewed-by: default avatarMaxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250620-drm-bridge-alloc-getput-drm-bridge-c-v9-1-ca53372c9a84@bootlin.com


Signed-off-by: default avatarLuca Ceresoli <luca.ceresoli@bootlin.com>
parent 7246e092

drivers/gpu/drm/drm_bridge.c

+4 −0
Original line number Diff line number Diff line
@@ -295,6 +295,8 @@ EXPORT_SYMBOL(__devm_drm_bridge_alloc); 
 */

void drm_bridge_add(struct drm_bridge *bridge)

{

	drm_bridge_get(bridge);



	mutex_init(&bridge->hpd_mutex);



	if (bridge->ops & DRM_BRIDGE_OP_HDMI)
@@ -342,6 +344,8 @@ void drm_bridge_remove(struct drm_bridge *bridge) 
	mutex_unlock(&bridge_lock);



	mutex_destroy(&bridge->hpd_mutex);



	drm_bridge_put(bridge);

}

EXPORT_SYMBOL(drm_bridge_remove);