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_ */
103