From: Tomasz Figa <tfiga@xxxxxxxxxxxx>
We have to disable PSR before shutdown to avoid any asynchronous PSR
code to interfere with Rockchip DRM device shutdown. We use the recently
added analogix_dp_shutdown() function and rockchip_dp_cleanup() we
already use for unregistering PSR at unbind time.
Cc: Kristian H. Kristensen <hoegsberg@xxxxxxxxxxxx>
Cc: Brian Norris <briannorris@xxxxxxxxxxxx>
Signed-off-by: Tomasz Figa <tfiga@xxxxxxxxxxxx>
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---
drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 0a92d9e3ffac..14f68e792e6f 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -468,6 +468,11 @@ static int rockchip_dp_remove(struct platform_device *pdev)
return 0;
}
+static void rockchip_dp_shutdown(struct platform_device *pdev)
+{
+ analogix_dp_shutdown(&pdev->dev);
+}
+
static const struct dev_pm_ops rockchip_dp_pm_ops = {
#ifdef CONFIG_PM_SLEEP
.suspend = analogix_dp_suspend,
@@ -499,6 +504,7 @@ MODULE_DEVICE_TABLE(of, rockchip_dp_dt_ids);
static struct platform_driver rockchip_dp_driver = {
.probe = rockchip_dp_probe,
.remove = rockchip_dp_remove,
+ .shutdown = rockchip_dp_shutdown,
.driver = {
.name = "rockchip-dp",
.pm = &rockchip_dp_pm_ops,
--
2.12.0.246.ga2ecc84866-goog
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