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Daniel Vettercc4ceb42014-07-25 21:30:38 +02001/*
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
Thierry Reding37cc0142014-11-25 12:09:48 +010031#include <drm/drm_crtc.h>
32
Daniel Vettercc4ceb42014-07-25 21:30:38 +020033struct drm_atomic_state * __must_check
34drm_atomic_state_alloc(struct drm_device *dev);
35void drm_atomic_state_clear(struct drm_atomic_state *state);
36void drm_atomic_state_free(struct drm_atomic_state *state);
37
Maarten Lankhorst036ef572015-05-18 10:06:40 +020038int __must_check
39drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state);
40void drm_atomic_state_default_clear(struct drm_atomic_state *state);
41void drm_atomic_state_default_release(struct drm_atomic_state *state);
42
Daniel Vettercc4ceb42014-07-25 21:30:38 +020043struct drm_crtc_state * __must_check
44drm_atomic_get_crtc_state(struct drm_atomic_state *state,
45 struct drm_crtc *crtc);
Rob Clark40ecc692014-12-18 16:01:46 -050046int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
47 struct drm_crtc_state *state, struct drm_property *property,
48 uint64_t val);
Daniel Vettercc4ceb42014-07-25 21:30:38 +020049struct drm_plane_state * __must_check
50drm_atomic_get_plane_state(struct drm_atomic_state *state,
51 struct drm_plane *plane);
Rob Clark40ecc692014-12-18 16:01:46 -050052int drm_atomic_plane_set_property(struct drm_plane *plane,
53 struct drm_plane_state *state, struct drm_property *property,
54 uint64_t val);
Daniel Vettercc4ceb42014-07-25 21:30:38 +020055struct drm_connector_state * __must_check
56drm_atomic_get_connector_state(struct drm_atomic_state *state,
57 struct drm_connector *connector);
Rob Clark40ecc692014-12-18 16:01:46 -050058int drm_atomic_connector_set_property(struct drm_connector *connector,
59 struct drm_connector_state *state, struct drm_property *property,
60 uint64_t val);
Rob Clark88a48e22014-12-18 16:01:50 -050061
Maarten Lankhorst1b26a5e2015-05-13 10:37:25 +020062/**
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 */
70static inline struct drm_crtc_state *
71drm_atomic_get_existing_crtc_state(struct drm_atomic_state *state,
72 struct drm_crtc *crtc)
73{
74 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 */
85static inline struct drm_plane_state *
86drm_atomic_get_existing_plane_state(struct drm_atomic_state *state,
87 struct drm_plane *plane)
88{
89 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 */
100static inline struct drm_connector_state *
101drm_atomic_get_existing_connector_state(struct drm_atomic_state *state,
102 struct drm_connector *connector)
103{
104 int index = drm_connector_index(connector);
105
106 if (index >= state->num_connector)
107 return NULL;
108
109 return state->connector_states[index];
110}
111
Daniel Vettercc4ceb42014-07-25 21:30:38 +0200112int __must_check
Daniel Stone819364d2015-05-26 14:36:48 +0100113drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state,
114 struct drm_display_mode *mode);
115int __must_check
Daniel Stone955f3c32015-05-25 19:11:52 +0100116drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state,
117 struct drm_property_blob *blob);
118int __must_check
Daniel Vetter07cc0ef2014-11-27 15:49:39 +0100119drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
120 struct drm_crtc *crtc);
Daniel Vetter321ebf02014-11-04 22:57:27 +0100121void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state,
122 struct drm_framebuffer *fb);
Daniel Vettercc4ceb42014-07-25 21:30:38 +0200123int __must_check
124drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
125 struct drm_crtc *crtc);
126int __must_check
127drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
128 struct drm_crtc *crtc);
Maarten Lankhorste01e9f72015-05-19 16:41:02 +0200129int __must_check
130drm_atomic_add_affected_planes(struct drm_atomic_state *state,
131 struct drm_crtc *crtc);
132
Daniel Vettercc4ceb42014-07-25 21:30:38 +0200133int
134drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
135 struct drm_crtc *crtc);
136
137void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
138
139int __must_check drm_atomic_check_only(struct drm_atomic_state *state);
140int __must_check drm_atomic_commit(struct drm_atomic_state *state);
141int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
142
Ander Conselvan de Oliveiradf63b992015-04-10 14:58:39 +0300143#define for_each_connector_in_state(state, connector, connector_state, __i) \
144 for ((__i) = 0; \
Andrey Ryabinin60f207a2015-05-25 13:29:44 +0300145 (__i) < (state)->num_connector && \
146 ((connector) = (state)->connectors[__i], \
147 (connector_state) = (state)->connector_states[__i], 1); \
Ander Conselvan de Oliveiradf63b992015-04-10 14:58:39 +0300148 (__i)++) \
149 if (connector)
150
151#define for_each_crtc_in_state(state, crtc, crtc_state, __i) \
152 for ((__i) = 0; \
Andrey Ryabinin60f207a2015-05-25 13:29:44 +0300153 (__i) < (state)->dev->mode_config.num_crtc && \
154 ((crtc) = (state)->crtcs[__i], \
155 (crtc_state) = (state)->crtc_states[__i], 1); \
Ander Conselvan de Oliveiradf63b992015-04-10 14:58:39 +0300156 (__i)++) \
157 if (crtc_state)
158
Andrey Ryabinin60f207a2015-05-25 13:29:44 +0300159#define for_each_plane_in_state(state, plane, plane_state, __i) \
160 for ((__i) = 0; \
161 (__i) < (state)->dev->mode_config.num_total_plane && \
162 ((plane) = (state)->planes[__i], \
163 (plane_state) = (state)->plane_states[__i], 1); \
164 (__i)++) \
Ander Conselvan de Oliveiradf63b992015-04-10 14:58:39 +0300165 if (plane_state)
Daniel Vetter2465ff62015-06-18 09:58:55 +0200166static inline bool
167drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state)
168{
Maarten Lankhorstfc596662015-07-21 13:28:57 +0200169 return state->mode_changed || state->active_changed ||
170 state->connectors_changed;
Daniel Vetter2465ff62015-06-18 09:58:55 +0200171}
172
Ander Conselvan de Oliveiradf63b992015-04-10 14:58:39 +0300173
Daniel Vettercc4ceb42014-07-25 21:30:38 +0200174#endif /* DRM_ATOMIC_H_ */