From: Thierry Reding <tred...@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 at 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)
--
1.9.2
