Hi Boris, Thank you for the patch. On Wed, Oct 23, 2019 at 05:45:09PM +0200, 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 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 | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c > index f4e293e7cf64..a70c363a2bd0 100644 > --- a/drivers/gpu/drm/bridge/panel.c > +++ b/drivers/gpu/drm/bridge/panel.c > @@ -127,6 +127,7 @@ 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_get_input_bus_fmts = drm_atomic_helper_bridge_propagate_bus_fmt, Shouldn't the format be retrieved from the panel instead of from the connector ? We're moving towards removing connector creation from bridges, so I think it would be more future-proof. > }; > > /** -- Regards, Laurent Pinchart