Line data Source code
1 : /*
2 : * Copyright (C) 2014 Red Hat
3 : * Copyright (C) 2014 Intel Corp.
4 : *
5 : * Permission is hereby granted, free of charge, to any person obtaining a
6 : * copy of this software and associated documentation files (the "Software"),
7 : * to deal in the Software without restriction, including without limitation
8 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 : * and/or sell copies of the Software, and to permit persons to whom the
10 : * Software is furnished to do so, subject to the following conditions:
11 : *
12 : * The above copyright notice and this permission notice shall be included in
13 : * all copies or substantial portions of the Software.
14 : *
15 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 : * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 : * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 : * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 : * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 : * OTHER DEALINGS IN THE SOFTWARE.
22 : *
23 : * Authors:
24 : * Rob Clark <robdclark@gmail.com>
25 : * Daniel Vetter <daniel.vetter@ffwll.ch>
26 : */
27 :
28 : #ifndef DRM_ATOMIC_H_
29 : #define DRM_ATOMIC_H_
30 :
31 : #include <dev/pci/drm/drm_crtc.h>
32 :
33 : struct drm_atomic_state * __must_check
34 : drm_atomic_state_alloc(struct drm_device *dev);
35 : void drm_atomic_state_clear(struct drm_atomic_state *state);
36 : void drm_atomic_state_free(struct drm_atomic_state *state);
37 :
38 : int __must_check
39 : drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state);
40 : void drm_atomic_state_default_clear(struct drm_atomic_state *state);
41 : void drm_atomic_state_default_release(struct drm_atomic_state *state);
42 :
43 : struct drm_crtc_state * __must_check
44 : drm_atomic_get_crtc_state(struct drm_atomic_state *state,
45 : struct drm_crtc *crtc);
46 : int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
47 : struct drm_crtc_state *state, struct drm_property *property,
48 : uint64_t val);
49 : struct drm_plane_state * __must_check
50 : drm_atomic_get_plane_state(struct drm_atomic_state *state,
51 : struct drm_plane *plane);
52 : int drm_atomic_plane_set_property(struct drm_plane *plane,
53 : struct drm_plane_state *state, struct drm_property *property,
54 : uint64_t val);
55 : struct drm_connector_state * __must_check
56 : drm_atomic_get_connector_state(struct drm_atomic_state *state,
57 : struct drm_connector *connector);
58 : int drm_atomic_connector_set_property(struct drm_connector *connector,
59 : struct drm_connector_state *state, struct drm_property *property,
60 : uint64_t val);
61 :
62 : /**
63 : * drm_atomic_get_existing_crtc_state - get crtc state, if it exists
64 : * @state: global atomic state object
65 : * @crtc: crtc to grab
66 : *
67 : * This function returns the crtc state for the given crtc, or NULL
68 : * if the crtc is not part of the global atomic state.
69 : */
70 : static inline struct drm_crtc_state *
71 0 : drm_atomic_get_existing_crtc_state(struct drm_atomic_state *state,
72 : struct drm_crtc *crtc)
73 : {
74 0 : return state->crtc_states[drm_crtc_index(crtc)];
75 : }
76 :
77 : /**
78 : * drm_atomic_get_existing_plane_state - get plane state, if it exists
79 : * @state: global atomic state object
80 : * @plane: plane to grab
81 : *
82 : * This function returns the plane state for the given plane, or NULL
83 : * if the plane is not part of the global atomic state.
84 : */
85 : static inline struct drm_plane_state *
86 0 : drm_atomic_get_existing_plane_state(struct drm_atomic_state *state,
87 : struct drm_plane *plane)
88 : {
89 0 : return state->plane_states[drm_plane_index(plane)];
90 : }
91 :
92 : /**
93 : * drm_atomic_get_existing_connector_state - get connector state, if it exists
94 : * @state: global atomic state object
95 : * @connector: connector to grab
96 : *
97 : * This function returns the connector state for the given connector,
98 : * or NULL if the connector is not part of the global atomic state.
99 : */
100 : static inline struct drm_connector_state *
101 0 : drm_atomic_get_existing_connector_state(struct drm_atomic_state *state,
102 : struct drm_connector *connector)
103 : {
104 0 : int index = drm_connector_index(connector);
105 :
106 0 : if (index >= state->num_connector)
107 0 : return NULL;
108 :
109 0 : return state->connector_states[index];
110 0 : }
111 :
112 : int __must_check
113 : drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state,
114 : struct drm_display_mode *mode);
115 : int __must_check
116 : drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state,
117 : struct drm_property_blob *blob);
118 : int __must_check
119 : drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
120 : struct drm_crtc *crtc);
121 : void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state,
122 : struct drm_framebuffer *fb);
123 : int __must_check
124 : drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
125 : struct drm_crtc *crtc);
126 : int __must_check
127 : drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
128 : struct drm_crtc *crtc);
129 : int __must_check
130 : drm_atomic_add_affected_planes(struct drm_atomic_state *state,
131 : struct drm_crtc *crtc);
132 :
133 : int
134 : drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
135 : struct drm_crtc *crtc);
136 :
137 : void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
138 :
139 : void
140 : drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret);
141 :
142 : int __must_check drm_atomic_check_only(struct drm_atomic_state *state);
143 : int __must_check drm_atomic_commit(struct drm_atomic_state *state);
144 : int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
145 :
146 : #define for_each_connector_in_state(state, connector, connector_state, __i) \
147 : for ((__i) = 0; \
148 : (__i) < (state)->num_connector && \
149 : ((connector) = (state)->connectors[__i], \
150 : (connector_state) = (state)->connector_states[__i], 1); \
151 : (__i)++) \
152 : if (connector)
153 :
154 : #define for_each_crtc_in_state(state, crtc, crtc_state, __i) \
155 : for ((__i) = 0; \
156 : (__i) < (state)->dev->mode_config.num_crtc && \
157 : ((crtc) = (state)->crtcs[__i], \
158 : (crtc_state) = (state)->crtc_states[__i], 1); \
159 : (__i)++) \
160 : if (crtc_state)
161 :
162 : #define for_each_plane_in_state(state, plane, plane_state, __i) \
163 : for ((__i) = 0; \
164 : (__i) < (state)->dev->mode_config.num_total_plane && \
165 : ((plane) = (state)->planes[__i], \
166 : (plane_state) = (state)->plane_states[__i], 1); \
167 : (__i)++) \
168 : if (plane_state)
169 : static inline bool
170 0 : drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state)
171 : {
172 0 : return state->mode_changed || state->active_changed ||
173 0 : state->connectors_changed;
174 : }
175 :
176 :
177 : #endif /* DRM_ATOMIC_H_ */
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