drivers/gpu/drm/i915/gt/intel_gt_pm.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63

/*
 * 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(&gt->wakeref);
}

static inline void intel_gt_pm_get(struct intel_gt *gt)
{
	intel_wakeref_get(&gt->wakeref);
}

static inline bool intel_gt_pm_get_if_awake(struct intel_gt *gt)
{
	return intel_wakeref_get_if_active(&gt->wakeref);
}

static inline void intel_gt_pm_put(struct intel_gt *gt)
{
	intel_wakeref_put(&gt->wakeref);
}

static inline void intel_gt_pm_put_async(struct intel_gt *gt)
{
	intel_wakeref_put_async(&gt->wakeref);
}

static inline int intel_gt_pm_wait_for_idle(struct intel_gt *gt)
{
	return intel_wakeref_wait_for_idle(&gt->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_sanitize(struct intel_gt *gt, bool force);

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);

static inline bool is_mock_gt(const struct intel_gt *gt)
{
	return I915_SELFTEST_ONLY(gt->awake == -ENODEV);
}

#endif /* INTEL_GT_PM_H */