xref: /linux/drivers/gpu/drm/xe/display/xe_display_rpm.c (revision b08494a8f7416e5f09907318c5460ad6f6e2a548)
1 // SPDX-License-Identifier: MIT
2 /* Copyright © 2025 Intel Corporation */
3 
4 #include "intel_display_rpm.h"
5 #include "xe_device_types.h"
6 #include "xe_pm.h"
7 
8 static struct xe_device *display_to_xe(struct intel_display *display)
9 {
10 	return container_of(display, struct xe_device, display);
11 }
12 
13 struct ref_tracker *intel_display_rpm_get_raw(struct intel_display *display)
14 {
15 	return intel_display_rpm_get(display);
16 }
17 
18 void intel_display_rpm_put_raw(struct intel_display *display, struct ref_tracker *wakeref)
19 {
20 	intel_display_rpm_put(display, wakeref);
21 }
22 
23 struct ref_tracker *intel_display_rpm_get(struct intel_display *display)
24 {
25 	return xe_pm_runtime_resume_and_get(display_to_xe(display)) ? INTEL_WAKEREF_DEF : NULL;
26 }
27 
28 struct ref_tracker *intel_display_rpm_get_if_in_use(struct intel_display *display)
29 {
30 	return xe_pm_runtime_get_if_in_use(display_to_xe(display)) ? INTEL_WAKEREF_DEF : NULL;
31 }
32 
33 struct ref_tracker *intel_display_rpm_get_noresume(struct intel_display *display)
34 {
35 	xe_pm_runtime_get_noresume(display_to_xe(display));
36 
37 	return INTEL_WAKEREF_DEF;
38 }
39 
40 void intel_display_rpm_put(struct intel_display *display, struct ref_tracker *wakeref)
41 {
42 	if (wakeref)
43 		xe_pm_runtime_put(display_to_xe(display));
44 }
45 
46 void intel_display_rpm_put_unchecked(struct intel_display *display)
47 {
48 	xe_pm_runtime_put(display_to_xe(display));
49 }
50 
51 bool intel_display_rpm_suspended(struct intel_display *display)
52 {
53 	struct xe_device *xe = display_to_xe(display);
54 
55 	return pm_runtime_suspended(xe->drm.dev);
56 }
57 
58 void assert_display_rpm_held(struct intel_display *display)
59 {
60 	/* FIXME */
61 }
62 
63 void intel_display_rpm_assert_block(struct intel_display *display)
64 {
65 	/* FIXME */
66 }
67 
68 void intel_display_rpm_assert_unblock(struct intel_display *display)
69 {
70 	/* FIXME */
71 }
72