1// SPDX-License-Identifier: MIT
2/* Copyright © 2025 Intel Corporation */
3
4#include <drm/intel/display_parent_interface.h>
5
6#include "intel_display_core.h"
7#include "intel_display_rpm.h"
8#include "xe_device.h"
9#include "xe_device_types.h"
10#include "xe_pm.h"
11
12static struct ref_tracker *xe_display_rpm_get(const struct drm_device *drm)
13{
14 return xe_pm_runtime_resume_and_get(xe: to_xe_device(dev: drm)) ? INTEL_WAKEREF_DEF : NULL;
15}
16
17static struct ref_tracker *xe_display_rpm_get_if_in_use(const struct drm_device *drm)
18{
19 return xe_pm_runtime_get_if_in_use(xe: to_xe_device(dev: drm)) ? INTEL_WAKEREF_DEF : NULL;
20}
21
22static struct ref_tracker *xe_display_rpm_get_noresume(const struct drm_device *drm)
23{
24 xe_pm_runtime_get_noresume(xe: to_xe_device(dev: drm));
25
26 return INTEL_WAKEREF_DEF;
27}
28
29static void xe_display_rpm_put(const struct drm_device *drm, struct ref_tracker *wakeref)
30{
31 if (wakeref)
32 xe_pm_runtime_put(xe: to_xe_device(dev: drm));
33}
34
35static void xe_display_rpm_put_unchecked(const struct drm_device *drm)
36{
37 xe_pm_runtime_put(xe: to_xe_device(dev: drm));
38}
39
40static bool xe_display_rpm_suspended(const struct drm_device *drm)
41{
42 struct xe_device *xe = to_xe_device(dev: drm);
43
44 return pm_runtime_suspended(dev: xe->drm.dev);
45}
46
47static void xe_display_rpm_assert_held(const struct drm_device *drm)
48{
49 /* FIXME */
50}
51
52static void xe_display_rpm_assert_block(const struct drm_device *drm)
53{
54 /* FIXME */
55}
56
57static void xe_display_rpm_assert_unblock(const struct drm_device *drm)
58{
59 /* FIXME */
60}
61
62const struct intel_display_rpm_interface xe_display_rpm_interface = {
63 .get = xe_display_rpm_get,
64 .get_raw = xe_display_rpm_get,
65 .get_if_in_use = xe_display_rpm_get_if_in_use,
66 .get_noresume = xe_display_rpm_get_noresume,
67 .put = xe_display_rpm_put,
68 .put_raw = xe_display_rpm_put,
69 .put_unchecked = xe_display_rpm_put_unchecked,
70 .suspended = xe_display_rpm_suspended,
71 .assert_held = xe_display_rpm_assert_held,
72 .assert_block = xe_display_rpm_assert_block,
73 .assert_unblock = xe_display_rpm_assert_unblock
74};
75

source code of linux/drivers/gpu/drm/xe/display/xe_display_rpm.c