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: Maxime Ripard <mrip...@kernel.org>
Signed-off-by: Luca Ceresoli <luca.ceres...@bootlin.com>
---
Changes in v8: none
Changes in v7:
- in v6 this was part of "drm/bridge: add support for refcounted DRM
bridges", now split to a separate patch
---
drivers/gpu/drm/drm_bridge.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index
d6ce7b4c019f415400bab8aa3d032638cba6cdc5..fa2b2457b16e145e3ace70c53984937096d310d0
100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -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);
--
2.49.0
