Hi Sui,
Thank you for the patch.
On Sat, May 11, 2024 at 10:03:16PM +0800, Sui Jingfeng wrote:
> In panel_bridge_attach(), the check on the existence of bridge->encoder
> has already been done in the implementation of drm_bridge_attach(). And
> it is done before the bridge->funcs->attach hook is called. Hence, it is
> guaranteed that the .encoder member of the struct drm_bridge is not NULL
> when the panel_bridge_attach() is called.
>
> There is no need to check the existence of bridge->encoder another time
> at the implementation layer, therefore remove the redundant checking codes
> "if (!bridge->encoder) { ... }".
>
> Signed-off-by: Sui Jingfeng <sui.jingfeng@xxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/panel.c | 5 -----
> 1 file changed, 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c
> index 7f41525f7a6e..762402dca6dd 100644
> --- a/drivers/gpu/drm/bridge/panel.c
> +++ b/drivers/gpu/drm/bridge/panel.c
> @@ -65,11 +65,6 @@ static int panel_bridge_attach(struct drm_bridge *bridge,
> if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
> return 0;
>
> - if (!bridge->encoder) {
> - DRM_ERROR("Missing encoder\n");
> - return -ENODEV;
> - }
> -
> drm_connector_helper_add(connector,
> &panel_bridge_connector_helper_funcs);
>
--
Regards,
Laurent Pinchart
