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38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
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From 573f8fd0abf1d63ef719672a3c26e7abc0169620 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Fri, 17 May 2024 17:37:33 +0100
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Subject: [PATCH 1103/1135] drm/bridge: panel: Name an associated backlight
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device
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Pass the DRM connector name to any configured backlight
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device so that userspace can associate the two items.
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Ideally this should be in drm_panel, but it is bridge/panel
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that creates the drm_connector and therefore knows the name.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/bridge/panel.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/gpu/drm/bridge/panel.c
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+++ b/drivers/gpu/drm/bridge/panel.c
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@@ -14,6 +14,7 @@
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#include <drm/drm_panel.h>
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#include <drm/drm_print.h>
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#include <drm/drm_probe_helper.h>
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+#include <linux/backlight.h>
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struct panel_bridge {
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struct drm_bridge bridge;
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@@ -86,6 +87,9 @@ static int panel_bridge_attach(struct dr
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drm_connector_attach_encoder(&panel_bridge->connector,
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bridge->encoder);
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+ backlight_set_display_name(panel_bridge->panel->backlight,
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+ panel_bridge->connector.name);
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+
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if (bridge->dev->registered) {
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if (connector->funcs->reset)
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connector->funcs->reset(connector);
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