From: Thierry Reding treding@nvidia.com
When a device is shut down, disable the panel to make sure the display backlight doesn't stay lit.
Signed-off-by: Thierry Reding treding@nvidia.com --- drivers/gpu/drm/panel/panel-simple.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 309f29e9234a..a790f4c337cf 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -262,6 +262,13 @@ static int panel_simple_remove(struct device *dev) return 0; }
+static void panel_simple_shutdown(struct device *dev) +{ + struct panel_simple *panel = dev_get_drvdata(dev); + + panel_simple_disable(&panel->base); +} + static const struct drm_display_mode auo_b101aw03_mode = { .clock = 51450, .hdisplay = 1024, @@ -412,6 +419,11 @@ static int panel_simple_platform_remove(struct platform_device *pdev) return panel_simple_remove(&pdev->dev); }
+static void panel_simple_platform_shutdown(struct platform_device *pdev) +{ + panel_simple_shutdown(&pdev->dev); +} + static struct platform_driver panel_simple_platform_driver = { .driver = { .name = "panel-simple", @@ -420,6 +432,7 @@ static struct platform_driver panel_simple_platform_driver = { }, .probe = panel_simple_platform_probe, .remove = panel_simple_platform_remove, + .shutdown = panel_simple_platform_shutdown, };
struct panel_desc_dsi { @@ -561,6 +574,11 @@ static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi) return panel_simple_remove(&dsi->dev); }
+static void panel_simple_dsi_shutdown(struct mipi_dsi_device *dsi) +{ + panel_simple_shutdown(&dsi->dev); +} + static struct mipi_dsi_driver panel_simple_dsi_driver = { .driver = { .name = "panel-simple-dsi", @@ -569,6 +587,7 @@ static struct mipi_dsi_driver panel_simple_dsi_driver = { }, .probe = panel_simple_dsi_probe, .remove = panel_simple_dsi_remove, + .shutdown = panel_simple_dsi_shutdown, };
static int __init panel_simple_init(void)