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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 | 31 | #include <drm/drm_crtc.h> |
1de72faf DV |
32 | #include <drm/drm_modeset_helper_vtables.h> |
33 | #include <drm/drm_modeset_helper.h> | |
0254951d | 34 | |
bbb1e524 RC |
35 | struct drm_atomic_state; |
36 | ||
d9b13620 DV |
37 | int drm_atomic_helper_check_modeset(struct drm_device *dev, |
38 | struct drm_atomic_state *state); | |
39 | int drm_atomic_helper_check_planes(struct drm_device *dev, | |
40 | struct drm_atomic_state *state); | |
c2fcd274 DV |
41 | int drm_atomic_helper_check(struct drm_device *dev, |
42 | struct drm_atomic_state *state); | |
9f2a7950 | 43 | void drm_atomic_helper_commit_tail(struct drm_atomic_state *state); |
623369e5 DV |
44 | int drm_atomic_helper_commit(struct drm_device *dev, |
45 | struct drm_atomic_state *state, | |
286dbb8d | 46 | bool nonblock); |
623369e5 | 47 | |
4c5b7f3a RC |
48 | void drm_atomic_helper_wait_for_fences(struct drm_device *dev, |
49 | struct drm_atomic_state *state); | |
c240906d JK |
50 | bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev, |
51 | struct drm_atomic_state *old_state, | |
52 | struct drm_crtc *crtc); | |
53 | ||
5ee3229c RC |
54 | void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, |
55 | struct drm_atomic_state *old_state); | |
56 | ||
4c18d301 DV |
57 | void |
58 | drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev, | |
59 | struct drm_atomic_state *old_state); | |
60 | ||
1af434a9 DV |
61 | void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev, |
62 | struct drm_atomic_state *state); | |
63 | void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, | |
623369e5 | 64 | struct drm_atomic_state *old_state); |
c2fcd274 DV |
65 | |
66 | int drm_atomic_helper_prepare_planes(struct drm_device *dev, | |
67 | struct drm_atomic_state *state); | |
2b58e98d LY |
68 | |
69 | #define DRM_PLANE_COMMIT_ACTIVE_ONLY BIT(0) | |
70 | #define DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET BIT(1) | |
71 | ||
c2fcd274 | 72 | void drm_atomic_helper_commit_planes(struct drm_device *dev, |
aef9dbb8 | 73 | struct drm_atomic_state *state, |
2b58e98d | 74 | uint32_t flags); |
c2fcd274 DV |
75 | void drm_atomic_helper_cleanup_planes(struct drm_device *dev, |
76 | struct drm_atomic_state *old_state); | |
de28d021 | 77 | void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state); |
28500291 LY |
78 | void |
79 | drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state, | |
80 | bool atomic); | |
c2fcd274 | 81 | |
5e84c269 DV |
82 | void drm_atomic_helper_swap_state(struct drm_atomic_state *state, |
83 | bool stall); | |
c2fcd274 | 84 | |
a095caa7 DV |
85 | /* nonblocking commit helpers */ |
86 | int drm_atomic_helper_setup_commit(struct drm_atomic_state *state, | |
87 | bool nonblock); | |
88 | void drm_atomic_helper_wait_for_dependencies(struct drm_atomic_state *state); | |
89 | void drm_atomic_helper_commit_hw_done(struct drm_atomic_state *state); | |
90 | void drm_atomic_helper_commit_cleanup_done(struct drm_atomic_state *state); | |
91 | ||
042652ed DV |
92 | /* implementations for legacy interfaces */ |
93 | int drm_atomic_helper_update_plane(struct drm_plane *plane, | |
94 | struct drm_crtc *crtc, | |
95 | struct drm_framebuffer *fb, | |
96 | int crtc_x, int crtc_y, | |
97 | unsigned int crtc_w, unsigned int crtc_h, | |
98 | uint32_t src_x, uint32_t src_y, | |
99 | uint32_t src_w, uint32_t src_h); | |
100 | int drm_atomic_helper_disable_plane(struct drm_plane *plane); | |
bbb1e524 RC |
101 | int __drm_atomic_helper_disable_plane(struct drm_plane *plane, |
102 | struct drm_plane_state *plane_state); | |
042652ed | 103 | int drm_atomic_helper_set_config(struct drm_mode_set *set); |
bbb1e524 RC |
104 | int __drm_atomic_helper_set_config(struct drm_mode_set *set, |
105 | struct drm_atomic_state *state); | |
042652ed | 106 | |
14942760 TR |
107 | int drm_atomic_helper_disable_all(struct drm_device *dev, |
108 | struct drm_modeset_acquire_ctx *ctx); | |
109 | struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev); | |
110 | int drm_atomic_helper_resume(struct drm_device *dev, | |
111 | struct drm_atomic_state *state); | |
112 | ||
042652ed DV |
113 | int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc, |
114 | struct drm_property *property, | |
115 | uint64_t val); | |
116 | int drm_atomic_helper_plane_set_property(struct drm_plane *plane, | |
117 | struct drm_property *property, | |
118 | uint64_t val); | |
119 | int drm_atomic_helper_connector_set_property(struct drm_connector *connector, | |
120 | struct drm_property *property, | |
121 | uint64_t val); | |
8bc0f312 DV |
122 | int drm_atomic_helper_page_flip(struct drm_crtc *crtc, |
123 | struct drm_framebuffer *fb, | |
124 | struct drm_pending_vblank_event *event, | |
125 | uint32_t flags); | |
9a69a9ac ML |
126 | int drm_atomic_helper_connector_dpms(struct drm_connector *connector, |
127 | int mode); | |
9ecb5498 NT |
128 | struct drm_encoder * |
129 | drm_atomic_helper_best_encoder(struct drm_connector *connector); | |
8bc0f312 | 130 | |
d461701c DV |
131 | /* default implementations for state handling */ |
132 | void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc); | |
f5e7840b TR |
133 | void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc, |
134 | struct drm_crtc_state *state); | |
d461701c DV |
135 | struct drm_crtc_state * |
136 | drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc); | |
ec2dc6a0 | 137 | void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc_state *state); |
d461701c DV |
138 | void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc, |
139 | struct drm_crtc_state *state); | |
140 | ||
141 | void drm_atomic_helper_plane_reset(struct drm_plane *plane); | |
f5e7840b TR |
142 | void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, |
143 | struct drm_plane_state *state); | |
d461701c DV |
144 | struct drm_plane_state * |
145 | drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane); | |
2f701695 | 146 | void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state); |
d461701c DV |
147 | void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane, |
148 | struct drm_plane_state *state); | |
149 | ||
4cd39917 ML |
150 | void __drm_atomic_helper_connector_reset(struct drm_connector *connector, |
151 | struct drm_connector_state *conn_state); | |
d461701c | 152 | void drm_atomic_helper_connector_reset(struct drm_connector *connector); |
f5e7840b TR |
153 | void |
154 | __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector, | |
155 | struct drm_connector_state *state); | |
d461701c DV |
156 | struct drm_connector_state * |
157 | drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector); | |
397fd77c TR |
158 | struct drm_atomic_state * |
159 | drm_atomic_helper_duplicate_state(struct drm_device *dev, | |
160 | struct drm_modeset_acquire_ctx *ctx); | |
f5e7840b | 161 | void |
fabd9106 | 162 | __drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state); |
d461701c DV |
163 | void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, |
164 | struct drm_connector_state *state); | |
7ea77283 ML |
165 | int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, |
166 | u16 *red, u16 *green, u16 *blue, | |
167 | uint32_t size); | |
d461701c | 168 | |
dd275956 RC |
169 | /** |
170 | * drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC | |
171 | * @plane: the loop cursor | |
172 | * @crtc: the crtc whose planes are iterated | |
173 | * | |
174 | * This iterates over the current state, useful (for example) when applying | |
175 | * atomic state after it has been checked and swapped. To iterate over the | |
176 | * planes which *will* be attached (for ->atomic_check()) see | |
5c0be3f1 | 177 | * drm_atomic_crtc_state_for_each_plane(). |
dd275956 RC |
178 | */ |
179 | #define drm_atomic_crtc_for_each_plane(plane, crtc) \ | |
180 | drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask) | |
181 | ||
182 | /** | |
183 | * drm_crtc_atomic_state_for_each_plane - iterate over attached planes in new state | |
184 | * @plane: the loop cursor | |
185 | * @crtc_state: the incoming crtc-state | |
186 | * | |
187 | * Similar to drm_crtc_for_each_plane(), but iterates the planes that will be | |
188 | * attached if the specified state is applied. Useful during (for example) | |
2f196b7c | 189 | * ->atomic_check() operations, to validate the incoming state. |
dd275956 RC |
190 | */ |
191 | #define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \ | |
192 | drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) | |
042652ed | 193 | |
2f196b7c DV |
194 | /** |
195 | * drm_crtc_atomic_state_for_each_plane_state - iterate over attached planes in new state | |
196 | * @plane: the loop cursor | |
197 | * @plane_state: loop cursor for the plane's state, must be const | |
198 | * @crtc_state: the incoming crtc-state | |
199 | * | |
200 | * Similar to drm_crtc_for_each_plane(), but iterates the planes that will be | |
201 | * attached if the specified state is applied. Useful during (for example) | |
202 | * ->atomic_check() operations, to validate the incoming state. | |
203 | * | |
204 | * Compared to just drm_atomic_crtc_state_for_each_plane() this also fills in a | |
205 | * const plane_state. This is useful when a driver just wants to peek at other | |
206 | * active planes on this crtc, but does not need to change it. | |
207 | */ | |
208 | #define drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, crtc_state) \ | |
209 | drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) \ | |
210 | for_each_if ((plane_state = \ | |
211 | __drm_atomic_get_current_plane_state((crtc_state)->state, \ | |
212 | plane))) | |
213 | ||
407b8bd9 TR |
214 | /* |
215 | * drm_atomic_plane_disabling - check whether a plane is being disabled | |
216 | * @plane: plane object | |
217 | * @old_state: previous atomic state | |
218 | * | |
219 | * Checks the atomic state of a plane to determine whether it's being disabled | |
220 | * or not. This also WARNs if it detects an invalid state (both CRTC and FB | |
221 | * need to either both be NULL or both be non-NULL). | |
222 | * | |
223 | * RETURNS: | |
224 | * True if the plane is being disabled, false otherwise. | |
225 | */ | |
226 | static inline bool | |
227 | drm_atomic_plane_disabling(struct drm_plane *plane, | |
228 | struct drm_plane_state *old_state) | |
229 | { | |
230 | /* | |
231 | * When disabling a plane, CRTC and FB should always be NULL together. | |
232 | * Anything else should be considered a bug in the atomic core, so we | |
233 | * gently warn about it. | |
234 | */ | |
235 | WARN_ON((plane->state->crtc == NULL && plane->state->fb != NULL) || | |
236 | (plane->state->crtc != NULL && plane->state->fb == NULL)); | |
237 | ||
238 | /* | |
239 | * When using the transitional helpers, old_state may be NULL. If so, | |
240 | * we know nothing about the current state and have to assume that it | |
241 | * might be enabled. | |
242 | * | |
243 | * When using the atomic helpers, old_state won't be NULL. Therefore | |
244 | * this check assumes that either the driver will have reconstructed | |
245 | * the correct state in ->reset() or that the driver will have taken | |
246 | * appropriate measures to disable all planes. | |
247 | */ | |
248 | return (!old_state || old_state->crtc) && !plane->state->crtc; | |
249 | } | |
250 | ||
c2fcd274 | 251 | #endif /* DRM_ATOMIC_HELPER_H_ */ |