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>
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