* [PATCH] drm: sun4i: Add support for suspending the display driver
@ 2019-10-28 21:43 Ondrej Jirman
2019-10-29 7:45 ` Maxime Ripard
0 siblings, 1 reply; 2+ messages in thread
From: Ondrej Jirman @ 2019-10-28 21:43 UTC (permalink / raw)
To: linux-sunxi
Cc: Ondrej Jirman, Maxime Ripard, David Airlie, Daniel Vetter,
Chen-Yu Tsai, open list:DRM DRIVERS FOR ALLWINNER A10,
moderated list:ARM/Allwinner sunXi SoC support, open list
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
+
+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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] drm: sun4i: Add support for suspending the display driver
2019-10-28 21:43 [PATCH] drm: sun4i: Add support for suspending the display driver Ondrej Jirman
@ 2019-10-29 7:45 ` Maxime Ripard
0 siblings, 0 replies; 2+ messages in thread
From: Maxime Ripard @ 2019-10-29 7:45 UTC (permalink / raw)
To: Ondrej Jirman
Cc: linux-sunxi, David Airlie, Daniel Vetter, Chen-Yu Tsai,
open list:DRM DRIVERS FOR ALLWINNER A10,
moderated list:ARM/Allwinner sunXi SoC support, open list
[-- Attachment #1: Type: text/plain, Size: 1110 bytes --]
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
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2019-10-29 7:51 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-10-28 21:43 [PATCH] drm: sun4i: Add support for suspending the display driver Ondrej Jirman
2019-10-29 7:45 ` Maxime Ripard
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).