93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/* SPDX-License-Identifier: MIT */
|
|
/*
|
|
* Copyright © 2019 Intel Corporation
|
|
*/
|
|
|
|
#ifndef INTEL_GT_PM_H
|
|
#define INTEL_GT_PM_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
#include "intel_gt_types.h"
|
|
#include "intel_wakeref.h"
|
|
|
|
static inline bool intel_gt_pm_is_awake(const struct intel_gt *gt)
|
|
{
|
|
return intel_wakeref_is_active(>->wakeref);
|
|
}
|
|
|
|
static inline void intel_gt_pm_get(struct intel_gt *gt)
|
|
{
|
|
intel_wakeref_get(>->wakeref);
|
|
}
|
|
|
|
static inline void __intel_gt_pm_get(struct intel_gt *gt)
|
|
{
|
|
__intel_wakeref_get(>->wakeref);
|
|
}
|
|
|
|
static inline bool intel_gt_pm_get_if_awake(struct intel_gt *gt)
|
|
{
|
|
return intel_wakeref_get_if_active(>->wakeref);
|
|
}
|
|
|
|
static inline void intel_gt_pm_might_get(struct intel_gt *gt)
|
|
{
|
|
intel_wakeref_might_get(>->wakeref);
|
|
}
|
|
|
|
static inline void intel_gt_pm_put(struct intel_gt *gt)
|
|
{
|
|
intel_wakeref_put(>->wakeref);
|
|
}
|
|
|
|
static inline void intel_gt_pm_put_async(struct intel_gt *gt)
|
|
{
|
|
intel_wakeref_put_async(>->wakeref);
|
|
}
|
|
|
|
static inline void intel_gt_pm_might_put(struct intel_gt *gt)
|
|
{
|
|
intel_wakeref_might_put(>->wakeref);
|
|
}
|
|
|
|
#define with_intel_gt_pm(gt, tmp) \
|
|
for (tmp = 1, intel_gt_pm_get(gt); tmp; \
|
|
intel_gt_pm_put(gt), tmp = 0)
|
|
|
|
/**
|
|
* with_intel_gt_pm_if_awake - if GT is PM awake, get a reference to prevent
|
|
* it to sleep, run some code and then asynchrously put the reference
|
|
* away.
|
|
*
|
|
* @gt: pointer to the gt
|
|
* @wf: pointer to a temporary wakeref.
|
|
*/
|
|
#define with_intel_gt_pm_if_awake(gt, wf) \
|
|
for (wf = intel_gt_pm_get_if_awake(gt); wf; intel_gt_pm_put_async(gt), wf = 0)
|
|
|
|
static inline int intel_gt_pm_wait_for_idle(struct intel_gt *gt)
|
|
{
|
|
return intel_wakeref_wait_for_idle(>->wakeref);
|
|
}
|
|
|
|
void intel_gt_pm_init_early(struct intel_gt *gt);
|
|
void intel_gt_pm_init(struct intel_gt *gt);
|
|
void intel_gt_pm_fini(struct intel_gt *gt);
|
|
|
|
void intel_gt_suspend_prepare(struct intel_gt *gt);
|
|
void intel_gt_suspend_late(struct intel_gt *gt);
|
|
int intel_gt_resume(struct intel_gt *gt);
|
|
|
|
void intel_gt_runtime_suspend(struct intel_gt *gt);
|
|
int intel_gt_runtime_resume(struct intel_gt *gt);
|
|
|
|
ktime_t intel_gt_get_awake_time(const struct intel_gt *gt);
|
|
|
|
static inline bool is_mock_gt(const struct intel_gt *gt)
|
|
{
|
|
return I915_SELFTEST_ONLY(gt->awake == -ENODEV);
|
|
}
|
|
|
|
#endif /* INTEL_GT_PM_H */
|