From: Ondrej Jirman <megous@megous.com>
To: linux-sunxi@googlegroups.com
Cc: Ondrej Jirman <megous@megous.com>,
Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
dri-devel@lists.freedesktop.org (open list:DRM DRIVERS FOR
ALLWINNER A10),
linux-arm-kernel@lists.infradead.org (moderated
list:ARM/Allwinner sunXi SoC support),
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v2] drm: sun4i: Add support for suspending the display driver
Date: Tue, 29 Oct 2019 12:28:46 +0100 [thread overview]
Message-ID: <20191029112846.3604925-1-megous@megous.com> (raw)
Shut down the display engine during suspend.
Signed-off-by: Ondrej Jirman <megous@megous.com>
---
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
next reply other threads:[~2019-10-29 11:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-29 11:28 Ondrej Jirman [this message]
2019-10-31 9:51 ` [PATCH v2] drm: sun4i: Add support for suspending the display driver Maxime Ripard
2019-11-04 17:42 ` Daniel Vetter
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