Commit f3621a8e authored Aug 07, 2017 by Jonathan Liu Committed by Thierry Reding Aug 18, 2017

drm/panel: simple: Add missing panel_simple_unprepare() calls



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: d02fd93e ("drm/panel: simple - Disable panel on shutdown")
Cc: stable@vger.kernel.org # v3.16+
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

parent 30c6d7ab

drivers/gpu/drm/panel/panel-simple.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -370,6 +370,7 @@ static int panel_simple_remove(struct device *dev)
		drm_panel_remove(&panel->base);

		panel_simple_disable(&panel->base);
		panel_simple_unprepare(&panel->base);

		if (panel->ddc)
		put_device(&panel->ddc->dev);
		@@ -385,6 +386,7 @@ static void panel_simple_shutdown(struct device *dev)
		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_am_480272h3tmqw_t01h_mode = {