Commit | Line | Data |
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c2fcd274 DV |
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_HELPER_H_ | |
29 | #define DRM_ATOMIC_HELPER_H_ | |
30 | ||
0254951d TR |
31 | #include <drm/drm_crtc.h> |
32 | ||
bbb1e524 RC |
33 | struct drm_atomic_state; |
34 | ||
d9b13620 DV |
35 | int drm_atomic_helper_check_modeset(struct drm_device *dev, |
36 | struct drm_atomic_state *state); | |
37 | int drm_atomic_helper_check_planes(struct drm_device *dev, | |
38 | struct drm_atomic_state *state); | |
c2fcd274 DV |
39 | int drm_atomic_helper_check(struct drm_device *dev, |
40 | struct drm_atomic_state *state); | |
623369e5 DV |
41 | int drm_atomic_helper_commit(struct drm_device *dev, |
42 | struct drm_atomic_state *state, | |
286dbb8d | 43 | bool nonblock); |
623369e5 | 44 | |
4c5b7f3a RC |
45 | void drm_atomic_helper_wait_for_fences(struct drm_device *dev, |
46 | struct drm_atomic_state *state); | |
c240906d JK |
47 | bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev, |
48 | struct drm_atomic_state *old_state, | |
49 | struct drm_crtc *crtc); | |
50 | ||
5ee3229c RC |
51 | void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, |
52 | struct drm_atomic_state *old_state); | |
53 | ||
4c18d301 DV |
54 | void |
55 | drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev, | |
56 | struct drm_atomic_state *old_state); | |
57 | ||
1af434a9 DV |
58 | void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev, |
59 | struct drm_atomic_state *state); | |
60 | void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, | |
623369e5 | 61 | struct drm_atomic_state *old_state); |
c2fcd274 DV |
62 | |
63 | int drm_atomic_helper_prepare_planes(struct drm_device *dev, | |
64 | struct drm_atomic_state *state); | |
65 | void drm_atomic_helper_commit_planes(struct drm_device *dev, | |
aef9dbb8 DV |
66 | struct drm_atomic_state *state, |
67 | bool active_only); | |
c2fcd274 DV |
68 | void drm_atomic_helper_cleanup_planes(struct drm_device *dev, |
69 | struct drm_atomic_state *old_state); | |
de28d021 | 70 | void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state); |
6753ba97 JS |
71 | void drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc *crtc, |
72 | bool atomic); | |
c2fcd274 DV |
73 | |
74 | void drm_atomic_helper_swap_state(struct drm_device *dev, | |
75 | struct drm_atomic_state *state); | |
76 | ||
042652ed DV |
77 | /* implementations for legacy interfaces */ |
78 | int drm_atomic_helper_update_plane(struct drm_plane *plane, | |
79 | struct drm_crtc *crtc, | |
80 | struct drm_framebuffer *fb, | |
81 | int crtc_x, int crtc_y, | |
82 | unsigned int crtc_w, unsigned int crtc_h, | |
83 | uint32_t src_x, uint32_t src_y, | |
84 | uint32_t src_w, uint32_t src_h); | |
85 | int drm_atomic_helper_disable_plane(struct drm_plane *plane); | |
bbb1e524 RC |
86 | int __drm_atomic_helper_disable_plane(struct drm_plane *plane, |
87 | struct drm_plane_state *plane_state); | |
042652ed | 88 | int drm_atomic_helper_set_config(struct drm_mode_set *set); |
bbb1e524 RC |
89 | int __drm_atomic_helper_set_config(struct drm_mode_set *set, |
90 | struct drm_atomic_state *state); | |
042652ed | 91 | |
14942760 TR |
92 | int drm_atomic_helper_disable_all(struct drm_device *dev, |
93 | struct drm_modeset_acquire_ctx *ctx); | |
94 | struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev); | |
95 | int drm_atomic_helper_resume(struct drm_device *dev, | |
96 | struct drm_atomic_state *state); | |
97 | ||
042652ed DV |
98 | int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc, |
99 | struct drm_property *property, | |
100 | uint64_t val); | |
101 | int drm_atomic_helper_plane_set_property(struct drm_plane *plane, | |
102 | struct drm_property *property, | |
103 | uint64_t val); | |
104 | int drm_atomic_helper_connector_set_property(struct drm_connector *connector, | |
105 | struct drm_property *property, | |
106 | uint64_t val); | |
8bc0f312 DV |
107 | int drm_atomic_helper_page_flip(struct drm_crtc *crtc, |
108 | struct drm_framebuffer *fb, | |
109 | struct drm_pending_vblank_event *event, | |
110 | uint32_t flags); | |
9a69a9ac ML |
111 | int drm_atomic_helper_connector_dpms(struct drm_connector *connector, |
112 | int mode); | |
9ecb5498 NT |
113 | struct drm_encoder * |
114 | drm_atomic_helper_best_encoder(struct drm_connector *connector); | |
8bc0f312 | 115 | |
d461701c DV |
116 | /* default implementations for state handling */ |
117 | void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc); | |
f5e7840b TR |
118 | void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc, |
119 | struct drm_crtc_state *state); | |
d461701c DV |
120 | struct drm_crtc_state * |
121 | drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc); | |
ec2dc6a0 | 122 | void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc_state *state); |
d461701c DV |
123 | void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc, |
124 | struct drm_crtc_state *state); | |
125 | ||
126 | void drm_atomic_helper_plane_reset(struct drm_plane *plane); | |
f5e7840b TR |
127 | void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, |
128 | struct drm_plane_state *state); | |
d461701c DV |
129 | struct drm_plane_state * |
130 | drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane); | |
2f701695 | 131 | void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state); |
d461701c DV |
132 | void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane, |
133 | struct drm_plane_state *state); | |
134 | ||
4cd39917 ML |
135 | void __drm_atomic_helper_connector_reset(struct drm_connector *connector, |
136 | struct drm_connector_state *conn_state); | |
d461701c | 137 | void drm_atomic_helper_connector_reset(struct drm_connector *connector); |
f5e7840b TR |
138 | void |
139 | __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector, | |
140 | struct drm_connector_state *state); | |
d461701c DV |
141 | struct drm_connector_state * |
142 | drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector); | |
397fd77c TR |
143 | struct drm_atomic_state * |
144 | drm_atomic_helper_duplicate_state(struct drm_device *dev, | |
145 | struct drm_modeset_acquire_ctx *ctx); | |
f5e7840b | 146 | void |
fabd9106 | 147 | __drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state); |
d461701c DV |
148 | void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, |
149 | struct drm_connector_state *state); | |
5488dc16 LL |
150 | void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, |
151 | u16 *red, u16 *green, u16 *blue, | |
152 | uint32_t start, uint32_t size); | |
d461701c | 153 | |
dd275956 RC |
154 | /** |
155 | * drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC | |
156 | * @plane: the loop cursor | |
157 | * @crtc: the crtc whose planes are iterated | |
158 | * | |
159 | * This iterates over the current state, useful (for example) when applying | |
160 | * atomic state after it has been checked and swapped. To iterate over the | |
161 | * planes which *will* be attached (for ->atomic_check()) see | |
162 | * drm_crtc_for_each_pending_plane() | |
163 | */ | |
164 | #define drm_atomic_crtc_for_each_plane(plane, crtc) \ | |
165 | drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask) | |
166 | ||
167 | /** | |
168 | * drm_crtc_atomic_state_for_each_plane - iterate over attached planes in new state | |
169 | * @plane: the loop cursor | |
170 | * @crtc_state: the incoming crtc-state | |
171 | * | |
172 | * Similar to drm_crtc_for_each_plane(), but iterates the planes that will be | |
173 | * attached if the specified state is applied. Useful during (for example) | |
174 | * ->atomic_check() operations, to validate the incoming state | |
175 | */ | |
176 | #define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \ | |
177 | drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) | |
042652ed | 178 | |
407b8bd9 TR |
179 | /* |
180 | * drm_atomic_plane_disabling - check whether a plane is being disabled | |
181 | * @plane: plane object | |
182 | * @old_state: previous atomic state | |
183 | * | |
184 | * Checks the atomic state of a plane to determine whether it's being disabled | |
185 | * or not. This also WARNs if it detects an invalid state (both CRTC and FB | |
186 | * need to either both be NULL or both be non-NULL). | |
187 | * | |
188 | * RETURNS: | |
189 | * True if the plane is being disabled, false otherwise. | |
190 | */ | |
191 | static inline bool | |
192 | drm_atomic_plane_disabling(struct drm_plane *plane, | |
193 | struct drm_plane_state *old_state) | |
194 | { | |
195 | /* | |
196 | * When disabling a plane, CRTC and FB should always be NULL together. | |
197 | * Anything else should be considered a bug in the atomic core, so we | |
198 | * gently warn about it. | |
199 | */ | |
200 | WARN_ON((plane->state->crtc == NULL && plane->state->fb != NULL) || | |
201 | (plane->state->crtc != NULL && plane->state->fb == NULL)); | |
202 | ||
203 | /* | |
204 | * When using the transitional helpers, old_state may be NULL. If so, | |
205 | * we know nothing about the current state and have to assume that it | |
206 | * might be enabled. | |
207 | * | |
208 | * When using the atomic helpers, old_state won't be NULL. Therefore | |
209 | * this check assumes that either the driver will have reconstructed | |
210 | * the correct state in ->reset() or that the driver will have taken | |
211 | * appropriate measures to disable all planes. | |
212 | */ | |
213 | return (!old_state || old_state->crtc) && !plane->state->crtc; | |
214 | } | |
215 | ||
c2fcd274 | 216 | #endif /* DRM_ATOMIC_HELPER_H_ */ |