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1 | /* |
1 | /* |
2 | * Copyright (C) 2014 Red Hat |
2 | * Copyright (C) 2014 Red Hat |
3 | * Copyright (C) 2014 Intel Corp. |
3 | * Copyright (C) 2014 Intel Corp. |
4 | * |
4 | * |
5 | * Permission is hereby granted, free of charge, to any person obtaining a |
5 | * Permission is hereby granted, free of charge, to any person obtaining a |
6 | * copy of this software and associated documentation files (the "Software"), |
6 | * copy of this software and associated documentation files (the "Software"), |
7 | * to deal in the Software without restriction, including without limitation |
7 | * to deal in the Software without restriction, including without limitation |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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 |
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: |
10 | * Software is furnished to do so, subject to the following conditions: |
11 | * |
11 | * |
12 | * The above copyright notice and this permission notice shall be included in |
12 | * The above copyright notice and this permission notice shall be included in |
13 | * all copies or substantial portions of the Software. |
13 | * all copies or substantial portions of the Software. |
14 | * |
14 | * |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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, |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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 |
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, |
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 |
20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
21 | * OTHER DEALINGS IN THE SOFTWARE. |
21 | * OTHER DEALINGS IN THE SOFTWARE. |
22 | * |
22 | * |
23 | * Authors: |
23 | * Authors: |
24 | * Rob Clark |
24 | * Rob Clark |
25 | * Daniel Vetter |
25 | * Daniel Vetter |
26 | */ |
26 | */ |
27 | 27 | ||
28 | #ifndef DRM_ATOMIC_HELPER_H_ |
28 | #ifndef DRM_ATOMIC_HELPER_H_ |
29 | #define DRM_ATOMIC_HELPER_H_ |
29 | #define DRM_ATOMIC_HELPER_H_ |
30 | 30 | ||
31 | #include |
31 | #include |
32 | 32 | ||
33 | struct drm_atomic_state; |
33 | struct drm_atomic_state; |
34 | 34 | ||
35 | int drm_atomic_helper_check_modeset(struct drm_device *dev, |
35 | int drm_atomic_helper_check_modeset(struct drm_device *dev, |
36 | struct drm_atomic_state *state); |
36 | struct drm_atomic_state *state); |
37 | int drm_atomic_helper_check_planes(struct drm_device *dev, |
37 | int drm_atomic_helper_check_planes(struct drm_device *dev, |
38 | struct drm_atomic_state *state); |
38 | struct drm_atomic_state *state); |
39 | int drm_atomic_helper_check(struct drm_device *dev, |
39 | int drm_atomic_helper_check(struct drm_device *dev, |
40 | struct drm_atomic_state *state); |
40 | struct drm_atomic_state *state); |
41 | int drm_atomic_helper_commit(struct drm_device *dev, |
41 | int drm_atomic_helper_commit(struct drm_device *dev, |
42 | struct drm_atomic_state *state, |
42 | struct drm_atomic_state *state, |
43 | bool async); |
43 | bool async); |
44 | 44 | ||
45 | bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev, |
45 | bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev, |
46 | struct drm_atomic_state *old_state, |
46 | struct drm_atomic_state *old_state, |
47 | struct drm_crtc *crtc); |
47 | struct drm_crtc *crtc); |
48 | 48 | ||
49 | void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, |
49 | void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, |
50 | struct drm_atomic_state *old_state); |
50 | struct drm_atomic_state *old_state); |
51 | 51 | ||
52 | void |
52 | void |
53 | drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev, |
53 | drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev, |
54 | struct drm_atomic_state *old_state); |
54 | struct drm_atomic_state *old_state); |
55 | 55 | ||
56 | void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev, |
56 | void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev, |
57 | struct drm_atomic_state *state); |
57 | struct drm_atomic_state *state); |
58 | void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, |
58 | void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, |
59 | struct drm_atomic_state *old_state); |
59 | struct drm_atomic_state *old_state); |
60 | 60 | ||
61 | int drm_atomic_helper_prepare_planes(struct drm_device *dev, |
61 | int drm_atomic_helper_prepare_planes(struct drm_device *dev, |
62 | struct drm_atomic_state *state); |
62 | struct drm_atomic_state *state); |
63 | void drm_atomic_helper_commit_planes(struct drm_device *dev, |
63 | void drm_atomic_helper_commit_planes(struct drm_device *dev, |
64 | struct drm_atomic_state *state, |
64 | struct drm_atomic_state *state, |
65 | bool active_only); |
65 | bool active_only); |
66 | void drm_atomic_helper_cleanup_planes(struct drm_device *dev, |
66 | void drm_atomic_helper_cleanup_planes(struct drm_device *dev, |
67 | struct drm_atomic_state *old_state); |
67 | struct drm_atomic_state *old_state); |
68 | void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state); |
68 | void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state); |
69 | void drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc *crtc, |
69 | void drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc *crtc, |
70 | bool atomic); |
70 | bool atomic); |
71 | 71 | ||
72 | void drm_atomic_helper_swap_state(struct drm_device *dev, |
72 | void drm_atomic_helper_swap_state(struct drm_device *dev, |
73 | struct drm_atomic_state *state); |
73 | struct drm_atomic_state *state); |
74 | 74 | ||
75 | /* implementations for legacy interfaces */ |
75 | /* implementations for legacy interfaces */ |
76 | int drm_atomic_helper_update_plane(struct drm_plane *plane, |
76 | int drm_atomic_helper_update_plane(struct drm_plane *plane, |
77 | struct drm_crtc *crtc, |
77 | struct drm_crtc *crtc, |
78 | struct drm_framebuffer *fb, |
78 | struct drm_framebuffer *fb, |
79 | int crtc_x, int crtc_y, |
79 | int crtc_x, int crtc_y, |
80 | unsigned int crtc_w, unsigned int crtc_h, |
80 | unsigned int crtc_w, unsigned int crtc_h, |
81 | uint32_t src_x, uint32_t src_y, |
81 | uint32_t src_x, uint32_t src_y, |
82 | uint32_t src_w, uint32_t src_h); |
82 | uint32_t src_w, uint32_t src_h); |
83 | int drm_atomic_helper_disable_plane(struct drm_plane *plane); |
83 | int drm_atomic_helper_disable_plane(struct drm_plane *plane); |
84 | int __drm_atomic_helper_disable_plane(struct drm_plane *plane, |
84 | int __drm_atomic_helper_disable_plane(struct drm_plane *plane, |
85 | struct drm_plane_state *plane_state); |
85 | struct drm_plane_state *plane_state); |
86 | int drm_atomic_helper_set_config(struct drm_mode_set *set); |
86 | int drm_atomic_helper_set_config(struct drm_mode_set *set); |
87 | int __drm_atomic_helper_set_config(struct drm_mode_set *set, |
87 | int __drm_atomic_helper_set_config(struct drm_mode_set *set, |
88 | struct drm_atomic_state *state); |
88 | struct drm_atomic_state *state); |
89 | 89 | ||
90 | int drm_atomic_helper_disable_all(struct drm_device *dev, |
90 | int drm_atomic_helper_disable_all(struct drm_device *dev, |
91 | struct drm_modeset_acquire_ctx *ctx); |
91 | struct drm_modeset_acquire_ctx *ctx); |
92 | struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev); |
92 | struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev); |
93 | int drm_atomic_helper_resume(struct drm_device *dev, |
93 | int drm_atomic_helper_resume(struct drm_device *dev, |
94 | struct drm_atomic_state *state); |
94 | struct drm_atomic_state *state); |
95 | 95 | ||
96 | int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc, |
96 | int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc, |
97 | struct drm_property *property, |
97 | struct drm_property *property, |
98 | uint64_t val); |
98 | uint64_t val); |
99 | int drm_atomic_helper_plane_set_property(struct drm_plane *plane, |
99 | int drm_atomic_helper_plane_set_property(struct drm_plane *plane, |
100 | struct drm_property *property, |
100 | struct drm_property *property, |
101 | uint64_t val); |
101 | uint64_t val); |
102 | int drm_atomic_helper_connector_set_property(struct drm_connector *connector, |
102 | int drm_atomic_helper_connector_set_property(struct drm_connector *connector, |
103 | struct drm_property *property, |
103 | struct drm_property *property, |
104 | uint64_t val); |
104 | uint64_t val); |
105 | int drm_atomic_helper_page_flip(struct drm_crtc *crtc, |
105 | int drm_atomic_helper_page_flip(struct drm_crtc *crtc, |
106 | struct drm_framebuffer *fb, |
106 | struct drm_framebuffer *fb, |
107 | struct drm_pending_vblank_event *event, |
107 | struct drm_pending_vblank_event *event, |
108 | uint32_t flags); |
108 | uint32_t flags); |
109 | int drm_atomic_helper_connector_dpms(struct drm_connector *connector, |
109 | int drm_atomic_helper_connector_dpms(struct drm_connector *connector, |
110 | int mode); |
110 | int mode); |
111 | 111 | ||
112 | /* default implementations for state handling */ |
112 | /* default implementations for state handling */ |
113 | void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc); |
113 | void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc); |
114 | void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc, |
114 | void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc, |
115 | struct drm_crtc_state *state); |
115 | struct drm_crtc_state *state); |
116 | struct drm_crtc_state * |
116 | struct drm_crtc_state * |
117 | drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc); |
117 | drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc); |
118 | void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc, |
118 | void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc, |
119 | struct drm_crtc_state *state); |
119 | struct drm_crtc_state *state); |
120 | void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc, |
120 | void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc, |
121 | struct drm_crtc_state *state); |
121 | struct drm_crtc_state *state); |
122 | 122 | ||
123 | void drm_atomic_helper_plane_reset(struct drm_plane *plane); |
123 | void drm_atomic_helper_plane_reset(struct drm_plane *plane); |
124 | void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, |
124 | void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, |
125 | struct drm_plane_state *state); |
125 | struct drm_plane_state *state); |
126 | struct drm_plane_state * |
126 | struct drm_plane_state * |
127 | drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane); |
127 | drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane); |
128 | void __drm_atomic_helper_plane_destroy_state(struct drm_plane *plane, |
128 | void __drm_atomic_helper_plane_destroy_state(struct drm_plane *plane, |
129 | struct drm_plane_state *state); |
129 | struct drm_plane_state *state); |
130 | void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane, |
130 | void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane, |
131 | struct drm_plane_state *state); |
131 | struct drm_plane_state *state); |
132 | 132 | ||
133 | void __drm_atomic_helper_connector_reset(struct drm_connector *connector, |
133 | void __drm_atomic_helper_connector_reset(struct drm_connector *connector, |
134 | struct drm_connector_state *conn_state); |
134 | struct drm_connector_state *conn_state); |
135 | void drm_atomic_helper_connector_reset(struct drm_connector *connector); |
135 | void drm_atomic_helper_connector_reset(struct drm_connector *connector); |
136 | void |
136 | void |
137 | __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector, |
137 | __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector, |
138 | struct drm_connector_state *state); |
138 | struct drm_connector_state *state); |
139 | struct drm_connector_state * |
139 | struct drm_connector_state * |
140 | drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector); |
140 | drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector); |
141 | struct drm_atomic_state * |
141 | struct drm_atomic_state * |
142 | drm_atomic_helper_duplicate_state(struct drm_device *dev, |
142 | drm_atomic_helper_duplicate_state(struct drm_device *dev, |
143 | struct drm_modeset_acquire_ctx *ctx); |
143 | struct drm_modeset_acquire_ctx *ctx); |
144 | void |
144 | void |
145 | __drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, |
145 | __drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, |
146 | struct drm_connector_state *state); |
146 | struct drm_connector_state *state); |
147 | void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, |
147 | void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, |
148 | struct drm_connector_state *state); |
148 | struct drm_connector_state *state); |
- | 149 | void drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, |
|
- | 150 | u16 *red, u16 *green, u16 *blue, |
|
- | 151 | uint32_t start, uint32_t size); |
|
149 | 152 | ||
150 | /** |
153 | /** |
151 | * drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC |
154 | * drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC |
152 | * @plane: the loop cursor |
155 | * @plane: the loop cursor |
153 | * @crtc: the crtc whose planes are iterated |
156 | * @crtc: the crtc whose planes are iterated |
154 | * |
157 | * |
155 | * This iterates over the current state, useful (for example) when applying |
158 | * This iterates over the current state, useful (for example) when applying |
156 | * atomic state after it has been checked and swapped. To iterate over the |
159 | * atomic state after it has been checked and swapped. To iterate over the |
157 | * planes which *will* be attached (for ->atomic_check()) see |
160 | * planes which *will* be attached (for ->atomic_check()) see |
158 | * drm_crtc_for_each_pending_plane() |
161 | * drm_crtc_for_each_pending_plane() |
159 | */ |
162 | */ |
160 | #define drm_atomic_crtc_for_each_plane(plane, crtc) \ |
163 | #define drm_atomic_crtc_for_each_plane(plane, crtc) \ |
161 | drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask) |
164 | drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask) |
162 | 165 | ||
163 | /** |
166 | /** |
164 | * drm_crtc_atomic_state_for_each_plane - iterate over attached planes in new state |
167 | * drm_crtc_atomic_state_for_each_plane - iterate over attached planes in new state |
165 | * @plane: the loop cursor |
168 | * @plane: the loop cursor |
166 | * @crtc_state: the incoming crtc-state |
169 | * @crtc_state: the incoming crtc-state |
167 | * |
170 | * |
168 | * Similar to drm_crtc_for_each_plane(), but iterates the planes that will be |
171 | * Similar to drm_crtc_for_each_plane(), but iterates the planes that will be |
169 | * attached if the specified state is applied. Useful during (for example) |
172 | * attached if the specified state is applied. Useful during (for example) |
170 | * ->atomic_check() operations, to validate the incoming state |
173 | * ->atomic_check() operations, to validate the incoming state |
171 | */ |
174 | */ |
172 | #define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \ |
175 | #define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \ |
173 | drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) |
176 | drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) |
174 | 177 | ||
175 | /* |
178 | /* |
176 | * drm_atomic_plane_disabling - check whether a plane is being disabled |
179 | * drm_atomic_plane_disabling - check whether a plane is being disabled |
177 | * @plane: plane object |
180 | * @plane: plane object |
178 | * @old_state: previous atomic state |
181 | * @old_state: previous atomic state |
179 | * |
182 | * |
180 | * Checks the atomic state of a plane to determine whether it's being disabled |
183 | * Checks the atomic state of a plane to determine whether it's being disabled |
181 | * or not. This also WARNs if it detects an invalid state (both CRTC and FB |
184 | * or not. This also WARNs if it detects an invalid state (both CRTC and FB |
182 | * need to either both be NULL or both be non-NULL). |
185 | * need to either both be NULL or both be non-NULL). |
183 | * |
186 | * |
184 | * RETURNS: |
187 | * RETURNS: |
185 | * True if the plane is being disabled, false otherwise. |
188 | * True if the plane is being disabled, false otherwise. |
186 | */ |
189 | */ |
187 | static inline bool |
190 | static inline bool |
188 | drm_atomic_plane_disabling(struct drm_plane *plane, |
191 | drm_atomic_plane_disabling(struct drm_plane *plane, |
189 | struct drm_plane_state *old_state) |
192 | struct drm_plane_state *old_state) |
190 | { |
193 | { |
191 | /* |
194 | /* |
192 | * When disabling a plane, CRTC and FB should always be NULL together. |
195 | * When disabling a plane, CRTC and FB should always be NULL together. |
193 | * Anything else should be considered a bug in the atomic core, so we |
196 | * Anything else should be considered a bug in the atomic core, so we |
194 | * gently warn about it. |
197 | * gently warn about it. |
195 | */ |
198 | */ |
196 | WARN_ON((plane->state->crtc == NULL && plane->state->fb != NULL) || |
199 | WARN_ON((plane->state->crtc == NULL && plane->state->fb != NULL) || |
197 | (plane->state->crtc != NULL && plane->state->fb == NULL)); |
200 | (plane->state->crtc != NULL && plane->state->fb == NULL)); |
198 | 201 | ||
199 | /* |
202 | /* |
200 | * When using the transitional helpers, old_state may be NULL. If so, |
203 | * When using the transitional helpers, old_state may be NULL. If so, |
201 | * we know nothing about the current state and have to assume that it |
204 | * we know nothing about the current state and have to assume that it |
202 | * might be enabled. |
205 | * might be enabled. |
203 | * |
206 | * |
204 | * When using the atomic helpers, old_state won't be NULL. Therefore |
207 | * When using the atomic helpers, old_state won't be NULL. Therefore |
205 | * this check assumes that either the driver will have reconstructed |
208 | * this check assumes that either the driver will have reconstructed |
206 | * the correct state in ->reset() or that the driver will have taken |
209 | * the correct state in ->reset() or that the driver will have taken |
207 | * appropriate measures to disable all planes. |
210 | * appropriate measures to disable all planes. |
208 | */ |
211 | */ |
209 | return (!old_state || old_state->crtc) && !plane->state->crtc; |
212 | return (!old_state || old_state->crtc) && !plane->state->crtc; |
210 | } |
213 | } |
211 | 214 | ||
212 | #endif /* DRM_ATOMIC_HELPER_H_ */ |
215 | #endif /* DRM_ATOMIC_HELPER_H_ */ |