openwrt/target/linux/bcm27xx/patches-6.6/950-1138-drm-bridge-panel-Ensure-backlight-is-reachable.patch
Álvaro Fernández Rojas e74ead2249 bcm27xx: update to latest RPi patches
The patches were generated from the RPi repo with the following command:
git format-patch v6.6.36..rpi-6.6.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-07-05 10:05:58 +02:00

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1.0 KiB
Diff

From da87f91ad8450ccc5274cd7b6ba8d823b396c96f Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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 <dave.stevenson@raspberrypi.com>
---
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)