xe_display_rpm.c

 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(to_xe_device(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(to_xe_device(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(to_xe_device(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(to_xe_device(drm));
33}
34
35static void xe_display_rpm_put_unchecked(const struct drm_device *drm)
36{
37	xe_pm_runtime_put(to_xe_device(drm));
38}
39
40static bool xe_display_rpm_suspended(const struct drm_device *drm)
41{
42	struct xe_device *xe = to_xe_device(drm);
43
44	return pm_runtime_suspended(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};