display/amdgpu_dm/amdgpu_dm_psr.h

0001 /*
0002  * Copyright 2021 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  * Authors: AMD
0023  *
0024  */
0025
0026 #ifndef AMDGPU_DM_AMDGPU_DM_PSR_H_
0027 #define AMDGPU_DM_AMDGPU_DM_PSR_H_
0028
0029 #include "amdgpu.h"
0030
0031 /* the number of pageflips before enabling psr */
0032 #define AMDGPU_DM_PSR_ENTRY_DELAY 5
0033
0034 void amdgpu_dm_set_psr_caps(struct dc_link *link);
0035 bool amdgpu_dm_psr_enable(struct dc_stream_state *stream);
0036 bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream);
0037 bool amdgpu_dm_psr_disable(struct dc_stream_state *stream);
0038 bool amdgpu_dm_psr_disable_all(struct amdgpu_display_manager *dm);
0039
0040 #endif /* AMDGPU_DM_AMDGPU_DM_PSR_H_ */