On 23/01/2020 10:53, Boris Brezillon wrote: > So that the previous bridge element in the chain knows which input > format the panel bridge expects. > > Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx> > --- > Changes in v7: > * Set atomic state hooks explicitly > > Changes in v3: > * Adjust things to match the new bus-format negotiation approach > * Use drm_atomic_helper_bridge_propagate_bus_fmt > * Don't implement ->atomic_check() (the core now takes care of bus > flags propagation) > > Changes in v2: > * Adjust things to match the new bus-format negotiation approach > --- > drivers/gpu/drm/bridge/panel.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c > index f66777e24968..dcc72bd7df30 100644 > --- a/drivers/gpu/drm/bridge/panel.c > +++ b/drivers/gpu/drm/bridge/panel.c > @@ -127,6 +127,10 @@ static const struct drm_bridge_funcs panel_bridge_bridge_funcs = { > .enable = panel_bridge_enable, > .disable = panel_bridge_disable, > .post_disable = panel_bridge_post_disable, > + .atomic_reset = drm_atomic_helper_bridge_reset, > + .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, > + .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, > + .atomic_get_input_bus_fmts = drm_atomic_helper_bridge_propagate_bus_fmt, > }; > > /** > Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>