On 06/01/2020 11:03, Boris Brezillon wrote: > Hi Neil, > > On Thu, 19 Dec 2019 11:11:48 +0100 > Neil Armstrong <narmstrong@xxxxxxxxxxxx> wrote: > >> +/** >> + * drm_atomic_helper_duplicate_bridge_state() - Default duplicate state helper >> + * @bridge: bridge containing the state to duplicate >> + * >> + * Default implementation of &drm_bridge_funcs.atomic_duplicate(). >> + * >> + * RETURNS: >> + * a valid state object or NULL if the allocation fails. >> + */ >> +struct drm_bridge_state * >> +drm_atomic_helper_bridge_duplicate_state(struct drm_bridge *bridge) >> +{ >> + struct drm_bridge_state *new; >> + >> + if (WARN_ON(!bridge->base.state)) >> + return NULL; >> + >> + new = kzalloc(sizeof(*new), GFP_KERNEL); >> + if (new) >> + __drm_atomic_helper_bridge_duplicate_state(bridge, new); >> + >> + return new; >> +} >> +EXPORT_SYMBOL(drm_atomic_helper_bridge_duplicate_state); > > IIRC, Laurent suggested to make those functions private. I'd also > recommend changing the names to > drm_atomic_*default*_bridge_<action>_state() and dropping the kernel doc > header since making them static means they're no longer helper > functions. > > Regards, > > Boris > Ack, time for a v6 ! Neil