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#include "dce/dce_dmcu.h"
27#include "dc_edid_parser.h"
28
29bool dc_edid_parser_send_cea(struct dc *dc,
30 int offset,
31 int total_length,
32 uint8_t *data,
33 int length)
34{
35 struct dmcu *dmcu = dc->res_pool->dmcu;
36
37 if (dmcu &&
38 dmcu->funcs->is_dmcu_initialized(dmcu) &&
39 dmcu->funcs->send_edid_cea) {
40 return dmcu->funcs->send_edid_cea(dmcu,
41 offset,
42 total_length,
43 data,
44 length);
45 }
46
47 return false;
48}
49
50bool dc_edid_parser_recv_cea_ack(struct dc *dc, int *offset)
51{
52 struct dmcu *dmcu = dc->res_pool->dmcu;
53
54 if (dmcu &&
55 dmcu->funcs->is_dmcu_initialized(dmcu) &&
56 dmcu->funcs->recv_edid_cea_ack) {
57 return dmcu->funcs->recv_edid_cea_ack(dmcu, offset);
58 }
59
60 return false;
61}
62
63bool dc_edid_parser_recv_amd_vsdb(struct dc *dc,
64 int *version,
65 int *min_frame_rate,
66 int *max_frame_rate)
67{
68 struct dmcu *dmcu = dc->res_pool->dmcu;
69
70 if (dmcu &&
71 dmcu->funcs->is_dmcu_initialized(dmcu) &&
72 dmcu->funcs->recv_amd_vsdb) {
73 return dmcu->funcs->recv_amd_vsdb(dmcu,
74 version,
75 min_frame_rate,
76 max_frame_rate);
77 }
78
79 return false;
80}
81

source code of linux/drivers/gpu/drm/amd/display/dc/dc_edid_parser.c