diff --git a/drivers/video/tegra/host/nvcsi/nvcsi-t194.c b/drivers/video/tegra/host/nvcsi/nvcsi-t194.c index bf00e238..30cee0e1 100644 --- a/drivers/video/tegra/host/nvcsi/nvcsi-t194.c +++ b/drivers/video/tegra/host/nvcsi/nvcsi-t194.c @@ -309,6 +309,35 @@ static int __exit t194_nvcsi_remove(struct platform_device *dev) return 0; } +static int t194_nvcsi_runtime_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct nvhost_device_data *info = platform_get_drvdata(pdev); + + clk_bulk_disable_unprepare(info->num_clks, info->clks); + + return 0; +} + +static int t194_nvcsi_runtime_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct nvhost_device_data *pdata = platform_get_drvdata(pdev); + int err; + + err = clk_bulk_prepare_enable(pdata->num_clks, pdata->clks); + if (err) { + dev_warn(dev, "failed to enable clocks: %d\n", err); + return err; + } + + return 0; +} + +const struct dev_pm_ops t194_nvcsi_pm_ops = { + SET_RUNTIME_PM_OPS(t194_nvcsi_runtime_suspend, t194_nvcsi_runtime_resume, NULL) +}; + #if defined(NV_PLATFORM_DRIVER_STRUCT_REMOVE_RETURNS_VOID) /* Linux v6.11 */ static void t194_nvcsi_remove_wrapper(struct platform_device *pdev) { @@ -331,7 +360,7 @@ static struct platform_driver t194_nvcsi_driver = { .of_match_table = tegra194_nvcsi_of_match, #endif #ifdef CONFIG_PM - .pm = &nvhost_module_pm_ops, + .pm = &t194_nvcsi_pm_ops, #endif }, };