diff options
| -rw-r--r-- | include/drm/drm_bridge.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 8d9d4fd078e7..788517ab00d3 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -1411,6 +1411,24 @@ drm_bridge_chain_get_first_bridge(struct drm_encoder *encoder) } /** + * drm_bridge_chain_get_last_bridge() - Get the last bridge in the chain + * @encoder: encoder object + * + * The refcount of the returned bridge is incremented. Use drm_bridge_put() + * when done with it. + * + * RETURNS: + * the last bridge in the chain, or NULL if @encoder has no bridge attached + * to it. + */ +static inline struct drm_bridge * +drm_bridge_chain_get_last_bridge(struct drm_encoder *encoder) +{ + return drm_bridge_get(list_last_entry_or_null(&encoder->bridge_chain, + struct drm_bridge, chain_node)); +} + +/** * drm_for_each_bridge_in_chain() - Iterate over all bridges present in a chain * @encoder: the encoder to iterate bridges on * @bridge: a bridge pointer updated to point to the current bridge at each |