[PATCH 02/26] drm/bridge: deprecate of_drm_find_bridge()

Luca Ceresoli
2025-11-19T13:06:19Z

of_drm_find_bridge() does not increment the returned bridge
refcount. drm_of_find_bridge() is to be used as a replacement.

Suggested-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/dri-devel/20250319-stylish-lime-mongoose-0a18ad@houat/
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
---
drivers/gpu/drm/drm_bridge.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index d98a7b4a83c0..6debbf20aaa8 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -299,7 +299,7 @@ EXPORT_SYMBOL(__devm_drm_bridge_alloc);
* @bridge: bridge control structure
*
* Add the given bridge to the global list of bridges, where they can be
- * found by users via of_drm_find_bridge().
+ * found by users via drm_of_find_bridge().
*
* The bridge to be added must have been allocated by
* devm_drm_bridge_alloc().
@@ -360,7 +360,7 @@ EXPORT_SYMBOL(devm_drm_bridge_add);
* @bridge: bridge control structure
*
* Remove the given bridge from the global list of registered bridges, so
- * it won't be found by users via of_drm_find_bridge(), and add it to the
+ * it won't be found by users via drm_of_find_bridge(), and add it to the
* lingering bridge list, to keep track of it until its allocated memory is
* eventually freed.
*/
@@ -1452,6 +1452,9 @@ EXPORT_SYMBOL(drm_of_find_bridge);
*
* @np: device node
*
+ * This function is deprecated. Use drm_of_find_bridge() instead for proper
+ * refcounting.
+ *
* RETURNS:
* drm_bridge control struct on success, NULL on failure
*/

--
2.51.1