xref: /openbmc/linux/include/drm/drm_atomic.h (revision c819e2cf)
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 <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 struct drm_crtc_state * __must_check
39 drm_atomic_get_crtc_state(struct drm_atomic_state *state,
40 			  struct drm_crtc *crtc);
41 struct drm_plane_state * __must_check
42 drm_atomic_get_plane_state(struct drm_atomic_state *state,
43 			   struct drm_plane *plane);
44 struct drm_connector_state * __must_check
45 drm_atomic_get_connector_state(struct drm_atomic_state *state,
46 			       struct drm_connector *connector);
47 
48 int __must_check
49 drm_atomic_set_crtc_for_plane(struct drm_atomic_state *state,
50 			      struct drm_plane *plane, struct drm_crtc *crtc);
51 void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state,
52 				 struct drm_framebuffer *fb);
53 int __must_check
54 drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
55 				  struct drm_crtc *crtc);
56 int __must_check
57 drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
58 				   struct drm_crtc *crtc);
59 int
60 drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
61 			       struct drm_crtc *crtc);
62 
63 void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
64 
65 int __must_check drm_atomic_check_only(struct drm_atomic_state *state);
66 int __must_check drm_atomic_commit(struct drm_atomic_state *state);
67 int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
68 
69 #endif /* DRM_ATOMIC_H_ */
70