File 0510-drm-panel-simple-Add-missing-panel_simple_unprepare-.patch of Package drm.openSUSE_Leap_42.3_Update

From 25abe3a9585eeadbbb65851c2082f232f1b6ee40 Mon Sep 17 00:00:00 2001
From: Jonathan Liu <net147@gmail.com>
Date: Mon, 7 Aug 2017 21:55:45 +1000
Subject: [PATCH] drm/panel: simple: Add missing panel_simple_unprepare() calls

commit f3621a8eb59a913612c8e6e37d81f16b649f8b6c upstream.

During panel removal or system shutdown panel_simple_disable() is called
which disables the panel backlight but the panel is still powered due to
missing calls to panel_simple_unprepare().

Fixes: d02fd93e2cd8 ("drm/panel: simple - Disable panel on shutdown")
Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170807115545.27747-1-net147@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/panel/panel-simple.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -369,6 +369,7 @@ static int panel_simple_remove(struct de
 	drm_panel_remove(&panel->base);
 
 	panel_simple_disable(&panel->base);
+	panel_simple_unprepare(&panel->base);
 
 	if (panel->ddc)
 		put_device(&panel->ddc->dev);
@@ -384,6 +385,7 @@ static void panel_simple_shutdown(struct
 	struct panel_simple *panel = dev_get_drvdata(dev);
 
 	panel_simple_disable(&panel->base);
+	panel_simple_unprepare(&panel->base);
 }
 
 static const struct drm_display_mode ampire_am800480r3tmqwa1h_mode = {