nv-tegra-mirror/linux-nv-oot
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nv-oot.git synced 2025-12-22 09:11:26 +03:00
Code Issues Packages Projects Releases Wiki Activity

platform: dce: Add suspend resume hooks

Browse Source 
Add suspend resume hooks function and handling of sc7 events.

Bug 3583331
Bug 3826630

Signed-off-by: Mahesh Kumar <mahkumar@nvidia.com>
Change-Id: I920b02ad46a76330febe666fe17e8d328f744b1d
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2834856
Reviewed-by: Arun Swain <arswain@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2824218
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
This commit is contained in:
Mahesh Kumar
2022-05-19 15:01:13 +00:00
committed by Laxman Dewangan
parent 31b6d913ab
commit 75bfcf326d
10 changed files with 373 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
drivers/platform/tegra/dce/dce-module.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2019-2023, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2019-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -59,6 +59,19 @@ static inline struct tegra_dce *dce_get_pdata_dce(struct platform_device *pdev)
return (&((struct dce_device *)dev_get_drvdata(&pdev->dev))->d);
}
/**
* dce_get_tegra_dce_from_dev - inline function to get the tegra_dce pointer
* from devicve struct.
*
* @pdev : Pointer to the device data structure.
*
* Return : Pointer pointing to tegra_dce data structure.
*/
static inline struct tegra_dce *dce_get_tegra_dce_from_dev(struct device *dev)
{
return (&((struct dce_device *)dev_get_drvdata(dev))->d);
}
/**
* dce_init_dev_data - Function to initialize the dce device data structure.
*
@@ -273,11 +286,35 @@ static int tegra_dce_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM
static int dce_pm_suspend(struct device *dev)
{
struct tegra_dce *d = dce_get_tegra_dce_from_dev(dev);
return dce_pm_enter_sc7(d);
}
static int dce_pm_resume(struct device *dev)
{
struct tegra_dce *d = dce_get_tegra_dce_from_dev(dev);
return dce_pm_exit_sc7(d);
}
const struct dev_pm_ops dce_pm_ops = {
.suspend = dce_pm_suspend,
.resume = dce_pm_resume,
};
#endif
static struct platform_driver tegra_dce_driver = {
.driver = {
.name = "tegra-dce",
.of_match_table =
of_match_ptr(tegra_dce_of_match),
#ifdef CONFIG_PM
.pm = &dce_pm_ops,
#endif
},
.probe = tegra_dce_probe,
.remove = tegra_dce_remove,