diff options
| -rw-r--r-- | drivers/gpu/drm/drm_bridge.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 53e7ece36dd9..1246a52f8767 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -422,6 +422,9 @@ static bool drm_bridge_is_atomic(struct drm_bridge *bridge) * If non-NULL the previous bridge must be already attached by a call to this * function. * + * The bridge to be attached must have been previously added by + * drm_bridge_add(). + * * Note that bridges attached to encoders are auto-detached during encoder * cleanup in drm_encoder_cleanup(), so drm_bridge_attach() should generally * *not* be balanced with a drm_bridge_detach() in driver code. |