xref: /linux/drivers/gpu/drm/amd/display/dc/link/link_validation.h (revision bfb921b2a9d5d1123d1d10b196a39db629ddef87)
1 /*
2  * Copyright 2023 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 #ifndef __LINK_VALIDATION_H__
26 #define __LINK_VALIDATION_H__
27 #include "link.h"
28 
29 enum dc_status link_validate_mode_timing(
30 		const struct dc_stream_state *stream,
31 		struct dc_link *link,
32 		const struct dc_crtc_timing *timing);
33 bool link_validate_dpia_bandwidth(
34 		const struct dc_stream_state *stream,
35 		const unsigned int num_streams);
36 uint32_t dp_link_bandwidth_kbps(
37 	const struct dc_link *link,
38 	const struct dc_link_settings *link_settings);
39 
40 #endif /* __LINK_VALIDATION_H__ */
41