diff mbox series

[v2,2/2] drm/bridge: anx7625: add suspend / resume hooks

Message ID 20210507064444.402829-2-pihsun@chromium.org (mailing list archive)
State New, archived
Headers show
Series [v2,1/2] drm/bridge: anx7625: refactor power control to use runtime PM framework | expand

Commit Message

Pi-Hsun Shih May 7, 2021, 6:44 a.m. UTC 
Add suspend / resume hooks for anx7625 driver, that power off the device
on suspend and power on the device on resume if it was previously
powered.

Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 27 +++++++++++++++++++++++
 1 file changed, 27 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index f56f8cf1f3bd..176d395c1a9f 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1705,7 +1705,34 @@  static int __maybe_unused anx7625_runtime_pm_resume(struct device *dev)
 	return 0;
 }
 
+static int __maybe_unused anx7625_resume(struct device *dev)
+{
+	struct anx7625_data *ctx = dev_get_drvdata(dev);
+
+	if (!ctx->pdata.intp_irq)
+		return 0;
+
+	if (!pm_runtime_enabled(dev) || !pm_runtime_suspended(dev))
+		anx7625_runtime_pm_resume(dev);
+
+	return 0;
+}
+
+static int __maybe_unused anx7625_suspend(struct device *dev)
+{
+	struct anx7625_data *ctx = dev_get_drvdata(dev);
+
+	if (!ctx->pdata.intp_irq)
+		return 0;
+
+	if (!pm_runtime_enabled(dev) || !pm_runtime_suspended(dev))
+		anx7625_runtime_pm_suspend(dev);
+
+	return 0;
+}
+
 static const struct dev_pm_ops anx7625_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(anx7625_suspend, anx7625_resume)
 	SET_RUNTIME_PM_OPS(anx7625_runtime_pm_suspend,
 			   anx7625_runtime_pm_resume, NULL)
 };