[PATCH v8 16/34] drm/tegra: vic: Support system suspend
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2021-08-17 01:32:38
Also in:
dri-devel, linux-clk, linux-devicetree, linux-media, linux-mmc, linux-pwm, linux-spi, linux-staging, linux-tegra, linux-usb, lkml
Subsystem:
drm drivers, drm drivers for nvidia tegra, the rest · Maintainers:
David Airlie, Simona Vetter, Thierry Reding, Mikko Perttunen, Linus Torvalds
Hardware must be stopped before system is suspended. Add suspend-resume callbacks. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/gpu/drm/tegra/vic.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c
index c02010ff2b7f..359dd77f8b85 100644
--- a/drivers/gpu/drm/tegra/vic.c
+++ b/drivers/gpu/drm/tegra/vic.c@@ -315,6 +315,8 @@ static int vic_runtime_suspend(struct device *dev) struct vic *vic = dev_get_drvdata(dev); int err; + host1x_channel_stop(vic->channel); + err = reset_control_assert(vic->rst); if (err < 0) return err;
@@ -517,6 +519,8 @@ static int vic_remove(struct platform_device *pdev) 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(pm_runtime_force_suspend, + pm_runtime_force_resume) }; struct platform_driver tegra_vic_driver = {
--
2.32.0