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drm: mxsfb: Shutdown the display on system shutdown

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When the system shuts down or warm reboots, the display may be active.
Implement the platform_driver .shutdown() operation and shut down the
display.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220101213755.506404-1-marex@denx.de
This commit is contained in:
Marek Vasut 2022-01-01 22:37:55 +01:00 committed by Thomas Zimmermann
parent 72f6c03336
commit 653af51ca6
1 changed files with 8 additions and 0 deletions

8
drivers/gpu/drm/mxsfb/mxsfb_drv.c

@ -381,6 +381,13 @@ static int mxsfb_remove(struct platform_device *pdev)
return 0;
}
static void mxsfb_shutdown(struct platform_device *pdev)
{
struct drm_device *drm = platform_get_drvdata(pdev);
drm_atomic_helper_shutdown(drm);
}
#ifdef CONFIG_PM_SLEEP
static int mxsfb_suspend(struct device *dev)
{
@ -404,6 +411,7 @@ static const struct dev_pm_ops mxsfb_pm_ops = {
static struct platform_driver mxsfb_platform_driver = {
.probe = mxsfb_probe,
.remove = mxsfb_remove,
.shutdown = mxsfb_shutdown,
.driver = {
.name = "mxsfb",
.of_match_table = mxsfb_dt_ids,