1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* Copyright 2021 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef DC_INC_LINK_ENC_CFG_H_
#define DC_INC_LINK_ENC_CFG_H_
/* This module implements functionality for dynamically assigning DIG link
* encoder resources to display endpoints (links).
*/
#include "core_types.h"
/*
* Initialise link encoder resource tracking.
*/
void link_enc_cfg_init(
struct dc *dc,
struct dc_state *state);
/*
* Algorithm for assigning available DIG link encoders to streams.
*
* Update link_enc_assignments table and link_enc_avail list accordingly in
* struct resource_context.
*
* Loop over all streams twice:
* a) First assign encoders to unmappable endpoints.
* b) Then assign encoders to mappable endpoints.
*/
void link_enc_cfg_link_encs_assign(
struct dc *dc,
struct dc_state *state,
struct dc_stream_state *streams[],
uint8_t stream_count);
/*
* Unassign a link encoder from a stream.
*
* Update link_enc_assignments table and link_enc_avail list accordingly in
* struct resource_context.
*/
void link_enc_cfg_link_enc_unassign(
struct dc_state *state,
struct dc_stream_state *stream);
#endif /* DC_INC_LINK_ENC_CFG_H_ */
|