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[linux.git] / drivers / gpu / drm / amd / display / dc / dc_state_priv.h
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
32 /* Get the type of the provided resource (none, phantom, main) based on the provided
33  * context. If the context is unavailable, determine only if phantom or not.
34  */
35 enum mall_stream_type dc_state_get_pipe_subvp_type(const struct dc_state *state,
36                 const struct pipe_ctx *pipe_ctx);
37 enum mall_stream_type dc_state_get_stream_subvp_type(const struct dc_state *state,
38                 const struct dc_stream_state *stream);
39
40 /* Gets the phantom stream if main is provided, gets the main if phantom is provided.*/
41 struct dc_stream_state *dc_state_get_paired_subvp_stream(const struct dc_state *state,
42                 const struct dc_stream_state *stream);
43
44 /* allocate's phantom stream or plane and returns pointer to the object */
45 struct dc_stream_state *dc_state_create_phantom_stream(const struct dc *dc,
46                 struct dc_state *state,
47                 struct dc_stream_state *main_stream);
48 struct dc_plane_state *dc_state_create_phantom_plane(struct dc *dc,
49                 struct dc_state *state,
50                 struct dc_plane_state *main_plane);
51
52 /* deallocate's phantom stream or plane */
53 void dc_state_release_phantom_stream(const struct dc *dc,
54                 struct dc_state *state,
55                 struct dc_stream_state *phantom_stream);
56 void dc_state_release_phantom_plane(const struct dc *dc,
57                 struct dc_state *state,
58                 struct dc_plane_state *phantom_plane);
59
60 /* add/remove phantom stream to context and generate subvp meta data */
61 enum dc_status dc_state_add_phantom_stream(struct dc *dc,
62                 struct dc_state *state,
63                 struct dc_stream_state *phantom_stream,
64                 struct dc_stream_state *main_stream);
65 enum dc_status dc_state_remove_phantom_stream(struct dc *dc,
66                 struct dc_state *state,
67                 struct dc_stream_state *phantom_stream);
68
69 bool dc_state_add_phantom_plane(
70                 const struct dc *dc,
71                 struct dc_stream_state *phantom_stream,
72                 struct dc_plane_state *phantom_plane,
73                 struct dc_state *state);
74
75 bool dc_state_remove_phantom_plane(
76                 const struct dc *dc,
77                 struct dc_stream_state *phantom_stream,
78                 struct dc_plane_state *phantom_plane,
79                 struct dc_state *state);
80
81 bool dc_state_rem_all_phantom_planes_for_stream(
82                 const struct dc *dc,
83                 struct dc_stream_state *phantom_stream,
84                 struct dc_state *state,
85                 bool should_release_planes);
86
87 bool dc_state_add_all_phantom_planes_for_stream(
88                 const struct dc *dc,
89                 struct dc_stream_state *phantom_stream,
90                 struct dc_plane_state * const *phantom_planes,
91                 int plane_count,
92                 struct dc_state *state);
93
94 bool dc_state_remove_phantom_streams_and_planes(
95                 struct dc *dc,
96                 struct dc_state *state);
97
98 void dc_state_release_phantom_streams_and_planes(
99                 struct dc *dc,
100                 struct dc_state *state);
101
102 #endif /* _DC_STATE_PRIV_H_ */
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