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