diff mbox series

drm: sun4i: Add support for suspending the display driver

Message ID 20191028214313.3463732-1-megous@megous.com (mailing list archive)
State New, archived
Headers show
Series drm: sun4i: Add support for suspending the display driver | expand

Commit Message

Ondřej Jirman Oct. 28, 2019, 9:43 p.m. UTC
Shut down the display engine during suspend.

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 drivers/gpu/drm/sun4i/sun4i_drv.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

Comments

Maxime Ripard Oct. 29, 2019, 7:45 a.m. UTC | #1
Hi,

On Mon, Oct 28, 2019 at 10:43:13PM +0100, Ondrej Jirman wrote:
> Shut down the display engine during suspend.
>
> Signed-off-by: Ondrej Jirman <megous@megous.com>
> ---
>  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

It looks like you've used spaces instead of tabs to indent. The rest
of the patch is fine though.

Maxime
diff mbox series

Patch

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);