xref: /linux/drivers/gpu/drm/amd/display/dc/dc_state_priv.h (revision 8e1bb4a41aa78d6105e59186af3dcd545fc66e70)
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 struct 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  */
37 enum mall_stream_type dc_state_get_pipe_subvp_type(const struct dc_state *state,
38 		const struct pipe_ctx *pipe_ctx);
39 enum 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.*/
43 struct 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 */
47 struct dc_stream_state *dc_state_create_phantom_stream(const struct dc *dc,
48 		struct dc_state *state,
49 		struct dc_stream_state *main_stream);
50 struct 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 */
55 void dc_state_release_phantom_stream(const struct dc *dc,
56 		struct dc_state *state,
57 		struct dc_stream_state *phantom_stream);
58 void 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 */
63 enum 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);
67 enum dc_status dc_state_remove_phantom_stream(const struct dc *dc,
68 		struct dc_state *state,
69 		struct dc_stream_state *phantom_stream);
70 
71 bool 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 
77 bool 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 
83 bool 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 
89 bool 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 
96 bool dc_state_remove_phantom_streams_and_planes(
97 		const struct dc *dc,
98 		struct dc_state *state);
99 
100 void dc_state_release_phantom_streams_and_planes(
101 		const struct dc *dc,
102 		struct dc_state *state);
103 
104 bool dc_state_is_fams2_in_use(
105 		const struct dc *dc,
106 		const struct dc_state *state);
107 
108 #endif /* _DC_STATE_PRIV_H_ */
109