xref: /linux/drivers/gpu/drm/xe/compat-i915-headers/intel_runtime_pm.h (revision cdd30ebb1b9f36159d66f088b61aee264e649d7a)
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2023 Intel Corporation
4  */
5 
6 #ifndef __INTEL_RUNTIME_PM_H__
7 #define __INTEL_RUNTIME_PM_H__
8 
9 #include "intel_wakeref.h"
10 #include "xe_device_types.h"
11 #include "xe_pm.h"
12 
13 #define intel_runtime_pm xe_runtime_pm
14 
15 static inline void disable_rpm_wakeref_asserts(void *rpm)
16 {
17 }
18 
19 static inline void enable_rpm_wakeref_asserts(void *rpm)
20 {
21 }
22 
23 static inline bool
24 intel_runtime_pm_suspended(struct xe_runtime_pm *pm)
25 {
26 	struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
27 
28 	return pm_runtime_suspended(xe->drm.dev);
29 }
30 
31 static inline intel_wakeref_t intel_runtime_pm_get(struct xe_runtime_pm *pm)
32 {
33 	struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
34 
35 	return xe_pm_runtime_resume_and_get(xe) ? INTEL_WAKEREF_DEF : NULL;
36 }
37 
38 static inline intel_wakeref_t intel_runtime_pm_get_if_in_use(struct xe_runtime_pm *pm)
39 {
40 	struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
41 
42 	return xe_pm_runtime_get_if_in_use(xe) ? INTEL_WAKEREF_DEF : NULL;
43 }
44 
45 static inline intel_wakeref_t intel_runtime_pm_get_noresume(struct xe_runtime_pm *pm)
46 {
47 	struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
48 
49 	xe_pm_runtime_get_noresume(xe);
50 
51 	return INTEL_WAKEREF_DEF;
52 }
53 
54 static inline void intel_runtime_pm_put_unchecked(struct xe_runtime_pm *pm)
55 {
56 	struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
57 
58 	xe_pm_runtime_put(xe);
59 }
60 
61 static inline void intel_runtime_pm_put(struct xe_runtime_pm *pm, intel_wakeref_t wakeref)
62 {
63 	if (wakeref)
64 		intel_runtime_pm_put_unchecked(pm);
65 }
66 
67 #define intel_runtime_pm_get_raw intel_runtime_pm_get
68 #define intel_runtime_pm_put_raw intel_runtime_pm_put
69 #define assert_rpm_wakelock_held(x) do { } while (0)
70 #define assert_rpm_raw_wakeref_held(x) do { } while (0)
71 
72 #define with_intel_runtime_pm(rpm, wf) \
73 	for ((wf) = intel_runtime_pm_get(rpm); (wf); \
74 	     intel_runtime_pm_put((rpm), (wf)), (wf) = NULL)
75 
76 #endif
77