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1/* SPDX-License-Identifier: MIT */2/*3 * Copyright © 2022 Intel Corporation4 */5 6#ifndef _XE_PM_H_7#define _XE_PM_H_8 9#include <linux/pm_runtime.h>10 11#define DEFAULT_VRAM_THRESHOLD 300 /* in MB */12 13struct xe_device;14 15int xe_pm_suspend(struct xe_device *xe);16int xe_pm_resume(struct xe_device *xe);17 18int xe_pm_init_early(struct xe_device *xe);19int xe_pm_init(struct xe_device *xe);20void xe_pm_runtime_fini(struct xe_device *xe);21bool xe_pm_runtime_suspended(struct xe_device *xe);22int xe_pm_runtime_suspend(struct xe_device *xe);23int xe_pm_runtime_resume(struct xe_device *xe);24void xe_pm_runtime_get(struct xe_device *xe);25int xe_pm_runtime_get_ioctl(struct xe_device *xe);26void xe_pm_runtime_put(struct xe_device *xe);27bool xe_pm_runtime_get_if_active(struct xe_device *xe);28bool xe_pm_runtime_get_if_in_use(struct xe_device *xe);29void xe_pm_runtime_get_noresume(struct xe_device *xe);30bool xe_pm_runtime_resume_and_get(struct xe_device *xe);31void xe_pm_assert_unbounded_bridge(struct xe_device *xe);32int xe_pm_set_vram_threshold(struct xe_device *xe, u32 threshold);33void xe_pm_d3cold_allowed_toggle(struct xe_device *xe);34bool xe_rpm_reclaim_safe(const struct xe_device *xe);35struct task_struct *xe_pm_read_callback_task(struct xe_device *xe);36int xe_pm_module_init(void);37 38#endif39