1 /*
2  * Copyright 2021 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #ifndef AMDGPU_DM_AMDGPU_DM_PSR_H_
27 #define AMDGPU_DM_AMDGPU_DM_PSR_H_
28 
29 #include "amdgpu.h"
30 
31 /* the number of pageflips before enabling psr */
32 #define AMDGPU_DM_PSR_ENTRY_DELAY 5
33 
34 void amdgpu_dm_set_psr_caps(struct dc_link *link);
35 void amdgpu_dm_psr_enable(struct dc_stream_state *stream);
36 bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream);
37 bool amdgpu_dm_psr_disable(struct dc_stream_state *stream);
38 bool amdgpu_dm_psr_disable_all(struct amdgpu_display_manager *dm);
39 bool amdgpu_dm_psr_is_active_allowed(struct amdgpu_display_manager *dm);
40 
41 #endif /* AMDGPU_DM_AMDGPU_DM_PSR_H_ */
42