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
26#ifndef _DC_STATE_PRIV_H_
27#define _DC_STATE_PRIV_H_
28
29#include "dc_state.h"
30#include "dc_stream.h"
31
32struct dc_stream_state *dc_state_get_stream_from_id(const struct dc_state *state, unsigned int id);
33
34/* Get the type of the provided resource (none, phantom, main) based on the provided
35 * context. If the context is unavailable, determine only if phantom or not.
36 */
37enum mall_stream_type dc_state_get_pipe_subvp_type(const struct dc_state *state,
38 const struct pipe_ctx *pipe_ctx);
39enum mall_stream_type dc_state_get_stream_subvp_type(const struct dc_state *state,
40 const struct dc_stream_state *stream);
41
42/* Gets the phantom stream if main is provided, gets the main if phantom is provided.*/
43struct dc_stream_state *dc_state_get_paired_subvp_stream(const struct dc_state *state,
44 const struct dc_stream_state *stream);
45
46/* allocate's phantom stream or plane and returns pointer to the object */
47struct dc_stream_state *dc_state_create_phantom_stream(const struct dc *dc,
48 struct dc_state *state,
49 struct dc_stream_state *main_stream);
50struct dc_plane_state *dc_state_create_phantom_plane(const struct dc *dc,
51 struct dc_state *state,
52 struct dc_plane_state *main_plane);
53
54/* deallocate's phantom stream or plane */
55void dc_state_release_phantom_stream(const struct dc *dc,
56 struct dc_state *state,
57 struct dc_stream_state *phantom_stream);
58void dc_state_release_phantom_plane(const struct dc *dc,
59 struct dc_state *state,
60 struct dc_plane_state *phantom_plane);
61
62/* add/remove phantom stream to context and generate subvp meta data */
63enum dc_status dc_state_add_phantom_stream(const struct dc *dc,
64 struct dc_state *state,
65 struct dc_stream_state *phantom_stream,
66 struct dc_stream_state *main_stream);
67enum dc_status dc_state_remove_phantom_stream(const struct dc *dc,
68 struct dc_state *state,
69 struct dc_stream_state *phantom_stream);
70
71bool dc_state_add_phantom_plane(
72 const struct dc *dc,
73 struct dc_stream_state *phantom_stream,
74 struct dc_plane_state *phantom_plane,
75 struct dc_state *state);
76
77bool dc_state_remove_phantom_plane(
78 const struct dc *dc,
79 struct dc_stream_state *phantom_stream,
80 struct dc_plane_state *phantom_plane,
81 struct dc_state *state);
82
83bool dc_state_rem_all_phantom_planes_for_stream(
84 const struct dc *dc,
85 struct dc_stream_state *phantom_stream,
86 struct dc_state *state,
87 bool should_release_planes);
88
89bool dc_state_add_all_phantom_planes_for_stream(
90 const struct dc *dc,
91 struct dc_stream_state *phantom_stream,
92 struct dc_plane_state * const *phantom_planes,
93 int plane_count,
94 struct dc_state *state);
95
96bool dc_state_remove_phantom_streams_and_planes(
97 const struct dc *dc,
98 struct dc_state *state);
99
100void dc_state_release_phantom_streams_and_planes(
101 const struct dc *dc,
102 struct dc_state *state);
103
104bool dc_state_is_fams2_in_use(
105 const struct dc *dc,
106 const struct dc_state *state);
107
108
109void dc_state_set_stream_subvp_cursor_limit(const struct dc_stream_state *stream,
110 struct dc_state *state,
111 bool limit);
112
113bool dc_state_get_stream_subvp_cursor_limit(const struct dc_stream_state *stream,
114 struct dc_state *state);
115
116void dc_state_set_stream_cursor_subvp_limit(const struct dc_stream_state *stream,
117 struct dc_state *state,
118 bool limit);
119
120bool dc_state_get_stream_cursor_subvp_limit(const struct dc_stream_state *stream,
121 struct dc_state *state);
122
123bool dc_state_can_clear_stream_cursor_subvp_limit(const struct dc_stream_state *stream,
124 struct dc_state *state);
125
126bool dc_state_is_subvp_in_use(struct dc_state *state);
127
128#endif /* _DC_STATE_PRIV_H_ */
129

source code of linux/drivers/gpu/drm/amd/display/dc/dc_state_priv.h