1 // SPDX-License-Identifier: MIT
2 /*
3  * Copyright (C) 2019 Google, Inc.
4  *
5  * Authors:
6  * Sean Paul <seanpaul@chromium.org>
7  */
8 #ifndef DRM_SELF_REFRESH_HELPER_H_
9 #define DRM_SELF_REFRESH_HELPER_H_
10 
11 struct drm_atomic_state;
12 struct drm_crtc;
13 
14 void drm_self_refresh_helper_alter_state(struct drm_atomic_state *state);
15 void drm_self_refresh_helper_update_avg_times(struct drm_atomic_state *state,
16 					unsigned int commit_time_ms,
17 					unsigned int new_self_refresh_mask);
18 
19 int drm_self_refresh_helper_init(struct drm_crtc *crtc);
20 void drm_self_refresh_helper_cleanup(struct drm_crtc *crtc);
21 #endif
22