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, }; /** -- 2.21.0