From b3f13e00a8de351832df7d628a15ca4db49ca94f Mon Sep 17 00:00:00 2001 From: Luca Ceresoli Date: Wed, 26 Mar 2025 18:47:37 +0100 Subject: [PATCH] drm/bridge: make devm_drm_bridge_alloc() mandatory for bridge allocation All DRM bridges are now supposed to be allocated using devm_drm_bridge_alloc(), which is cleaner and necessary to support refcounting. In the absence of a drm_bridge_init() or such initialization function, document the new mandatory alloc function on the first DRM bridge core function that is called after allocation, i.e. drm_bridge_add(). Suggested-by: Maxime Ripard Signed-off-by: Luca Ceresoli Reviewed-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20250326-drm-bridge-refcount-v9-3-5e0661fe1f84@bootlin.com Signed-off-by: Louis Chauvet --- drivers/gpu/drm/drm_bridge.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 22b459af112f..b4c89ec01998 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -286,6 +286,9 @@ EXPORT_SYMBOL(__devm_drm_bridge_alloc); * drm_bridge_add - add the given bridge to the global bridge list * * @bridge: bridge control structure + * + * The bridge to be added must have been allocated by + * devm_drm_bridge_alloc(). */ void drm_bridge_add(struct drm_bridge *bridge) { -- 2.25.1