From da87f91ad8450ccc5274cd7b6ba8d823b396c96f Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Tue, 18 Jun 2024 15:33:30 +0100 Subject: [PATCH 1138/1145] drm/bridge: panel: Ensure backlight is reachable Ensure that the various options of modules vs builtin results in being able to call into the backlight code. https://github.com/raspberrypi/linux/issues/6198 Fixes: 573f8fd0abf1 ("drm/bridge: panel: Name an associated backlight device") Signed-off-by: Dave Stevenson --- drivers/gpu/drm/bridge/panel.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/bridge/panel.c +++ b/drivers/gpu/drm/bridge/panel.c @@ -87,8 +87,10 @@ static int panel_bridge_attach(struct dr drm_connector_attach_encoder(&panel_bridge->connector, bridge->encoder); +#if IS_REACHABLE(CONFIG_BACKLIGHT_CLASS_DEVICE) backlight_set_display_name(panel_bridge->panel->backlight, panel_bridge->connector.name); +#endif if (bridge->dev->registered) { if (connector->funcs->reset)