Shut down the display engine during suspend.
Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx>
---
Changes in v2:
- spaces -> tabs
drivers/gpu/drm/sun4i/sun4i_drv.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index a5757b11b730..c519d7cfcf43 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -346,6 +346,27 @@ static int sun4i_drv_add_endpoints(struct device *dev,
return count;
}
+#ifdef CONFIG_PM_SLEEP
+static int sun4i_drv_drm_sys_suspend(struct device *dev)
+{
+ struct drm_device *drm = dev_get_drvdata(dev);
+
+ return drm_mode_config_helper_suspend(drm);
+}
+
+static int sun4i_drv_drm_sys_resume(struct device *dev)
+{
+ struct drm_device *drm = dev_get_drvdata(dev);
+
+ return drm_mode_config_helper_resume(drm);
+}
+#endif
+
+static const struct dev_pm_ops sun4i_drv_drm_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(sun4i_drv_drm_sys_suspend,
+ sun4i_drv_drm_sys_resume)
+};
+
static int sun4i_drv_probe(struct platform_device *pdev)
{
struct component_match *match = NULL;
@@ -418,6 +439,7 @@ static struct platform_driver sun4i_drv_platform_driver = {
.driver = {
.name = "sun4i-drm",
.of_match_table = sun4i_drv_of_table,
+ .pm = &sun4i_drv_drm_pm_ops,
},
};
module_platform_driver(sun4i_drv_platform_driver);
--
2.23.0
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