42 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only OR MIT */2/* Copyright (c) 2023 Imagination Technologies Ltd. */3 4#ifndef PVR_POWER_H5#define PVR_POWER_H6 7#include "pvr_device.h"8 9#include <linux/mutex.h>10#include <linux/pm_runtime.h>11 12int pvr_watchdog_init(struct pvr_device *pvr_dev);13void pvr_watchdog_fini(struct pvr_device *pvr_dev);14 15void pvr_device_lost(struct pvr_device *pvr_dev);16 17bool pvr_power_is_idle(struct pvr_device *pvr_dev);18 19int pvr_power_device_suspend(struct device *dev);20int pvr_power_device_resume(struct device *dev);21int pvr_power_device_idle(struct device *dev);22 23int pvr_power_reset(struct pvr_device *pvr_dev, bool hard_reset);24 25static __always_inline int26pvr_power_get(struct pvr_device *pvr_dev)27{28 struct drm_device *drm_dev = from_pvr_device(pvr_dev);29 30 return pm_runtime_resume_and_get(drm_dev->dev);31}32 33static __always_inline int34pvr_power_put(struct pvr_device *pvr_dev)35{36 struct drm_device *drm_dev = from_pvr_device(pvr_dev);37 38 return pm_runtime_put(drm_dev->dev);39}40 41#endif /* PVR_POWER_H */42