Host1x channel should be idling before hardware is turned off, hence
stop the channel in the suspend callback.
Signed-off-by: Dmitry Osipenko <dig...@gmail.com>
---
drivers/gpu/drm/tegra/vic.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c
index ade56b860cf9..92d3d48c4277 100644
--- a/drivers/gpu/drm/tegra/vic.c
+++ b/drivers/gpu/drm/tegra/vic.c
@@ -510,8 +510,23 @@ static int vic_remove(struct platform_device *pdev)
return 0;
}
+static __maybe_unused int vic_suspend(struct device *dev)
+{
+ struct vic *vic = dev_get_drvdata(dev);
+ int err;
+
+ host1x_channel_stop(vic->channel);
+
+ err = pm_runtime_force_suspend(dev);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
static const struct dev_pm_ops vic_pm_ops = {
SET_RUNTIME_PM_OPS(vic_runtime_suspend, vic_runtime_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(vic_suspend, pm_runtime_force_resume)
};
struct platform_driver tegra_vic_driver = {
--
2.29.2
_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
