diff options
Diffstat (limited to 'drivers/gpu/drm/imagination/pvr_power.h')
| -rw-r--r-- | drivers/gpu/drm/imagination/pvr_power.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/imagination/pvr_power.h b/drivers/gpu/drm/imagination/pvr_power.h new file mode 100644 index 000000000000..9a9312dcb2da --- /dev/null +++ b/drivers/gpu/drm/imagination/pvr_power.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR MIT */ +/* Copyright (c) 2023 Imagination Technologies Ltd. */ + +#ifndef PVR_POWER_H +#define PVR_POWER_H + +#include "pvr_device.h" + +#include <linux/mutex.h> +#include <linux/pm_runtime.h> + +int pvr_watchdog_init(struct pvr_device *pvr_dev); +void pvr_watchdog_fini(struct pvr_device *pvr_dev); + +void pvr_device_lost(struct pvr_device *pvr_dev); + +bool pvr_power_is_idle(struct pvr_device *pvr_dev); + +int pvr_power_device_suspend(struct device *dev); +int pvr_power_device_resume(struct device *dev); +int pvr_power_device_idle(struct device *dev); + +int pvr_power_reset(struct pvr_device *pvr_dev, bool hard_reset); + +static __always_inline int +pvr_power_get(struct pvr_device *pvr_dev) +{ + struct drm_device *drm_dev = from_pvr_device(pvr_dev); + + return pm_runtime_resume_and_get(drm_dev->dev); +} + +static __always_inline int +pvr_power_put(struct pvr_device *pvr_dev) +{ + struct drm_device *drm_dev = from_pvr_device(pvr_dev); + + return pm_runtime_put(drm_dev->dev); +} + +#endif /* PVR_POWER_H */ |