drm/bridge: use drm_for_each_bridge_in_chain_scoped()

Use drm_for_each_bridge_in_chain_scoped() instead of
drm_for_each_bridge_in_chain() to ensure the bridge being looped on is
refcounted.

Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250808-drm-bridge-alloc-getput-for_each_bridge-v2-6-edb6ee81edf1@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>

diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index d031447..18c0e8b 100644 (file)
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -1480,10 +1480,9 @@ static int encoder_bridges_show(struct seq_file *m, void *data)
 {
        struct drm_encoder *encoder = m->private;
        struct drm_printer p = drm_seq_file_printer(m);
-       struct drm_bridge *bridge;
        unsigned int idx = 0;
 
-       drm_for_each_bridge_in_chain(encoder, bridge)
+       drm_for_each_bridge_in_chain_scoped(encoder, bridge)
                drm_bridge_debugfs_show_bridge(&p, bridge, idx++);
 
        return 0;