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28#ifndef DRM_ATOMIC_HELPER_H_
29#define DRM_ATOMIC_HELPER_H_
30
31#include <drm/drm_crtc.h>
32#include <drm/drm_modeset_helper_vtables.h>
33#include <drm/drm_modeset_helper.h>
34
35struct drm_atomic_state;
36struct drm_private_obj;
37struct drm_private_state;
38
39int drm_atomic_helper_check_modeset(struct drm_device *dev,
40 struct drm_atomic_state *state);
41int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state,
42 const struct drm_crtc_state *crtc_state,
43 int min_scale,
44 int max_scale,
45 bool can_position,
46 bool can_update_disabled);
47int drm_atomic_helper_check_planes(struct drm_device *dev,
48 struct drm_atomic_state *state);
49int drm_atomic_helper_check(struct drm_device *dev,
50 struct drm_atomic_state *state);
51void drm_atomic_helper_commit_tail(struct drm_atomic_state *state);
52void drm_atomic_helper_commit_tail_rpm(struct drm_atomic_state *state);
53int drm_atomic_helper_commit(struct drm_device *dev,
54 struct drm_atomic_state *state,
55 bool nonblock);
56int drm_atomic_helper_async_check(struct drm_device *dev,
57 struct drm_atomic_state *state);
58void drm_atomic_helper_async_commit(struct drm_device *dev,
59 struct drm_atomic_state *state);
60
61int drm_atomic_helper_wait_for_fences(struct drm_device *dev,
62 struct drm_atomic_state *state,
63 bool pre_swap);
64
65void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,
66 struct drm_atomic_state *old_state);
67
68void drm_atomic_helper_wait_for_flip_done(struct drm_device *dev,
69 struct drm_atomic_state *old_state);
70
71void
72drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev,
73 struct drm_atomic_state *old_state);
74
75void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev,
76 struct drm_atomic_state *state);
77void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
78 struct drm_atomic_state *old_state);
79
80int drm_atomic_helper_prepare_planes(struct drm_device *dev,
81 struct drm_atomic_state *state);
82
83#define DRM_PLANE_COMMIT_ACTIVE_ONLY BIT(0)
84#define DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET BIT(1)
85
86void drm_atomic_helper_commit_planes(struct drm_device *dev,
87 struct drm_atomic_state *state,
88 uint32_t flags);
89void drm_atomic_helper_cleanup_planes(struct drm_device *dev,
90 struct drm_atomic_state *old_state);
91void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state);
92void
93drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state,
94 bool atomic);
95
96int __must_check drm_atomic_helper_swap_state(struct drm_atomic_state *state,
97 bool stall);
98
99
100int drm_atomic_helper_setup_commit(struct drm_atomic_state *state,
101 bool nonblock);
102void drm_atomic_helper_wait_for_dependencies(struct drm_atomic_state *state);
103void drm_atomic_helper_fake_vblank(struct drm_atomic_state *state);
104void drm_atomic_helper_commit_hw_done(struct drm_atomic_state *state);
105void drm_atomic_helper_commit_cleanup_done(struct drm_atomic_state *state);
106
107
108int drm_atomic_helper_update_plane(struct drm_plane *plane,
109 struct drm_crtc *crtc,
110 struct drm_framebuffer *fb,
111 int crtc_x, int crtc_y,
112 unsigned int crtc_w, unsigned int crtc_h,
113 uint32_t src_x, uint32_t src_y,
114 uint32_t src_w, uint32_t src_h,
115 struct drm_modeset_acquire_ctx *ctx);
116int drm_atomic_helper_disable_plane(struct drm_plane *plane,
117 struct drm_modeset_acquire_ctx *ctx);
118int __drm_atomic_helper_disable_plane(struct drm_plane *plane,
119 struct drm_plane_state *plane_state);
120int drm_atomic_helper_set_config(struct drm_mode_set *set,
121 struct drm_modeset_acquire_ctx *ctx);
122int __drm_atomic_helper_set_config(struct drm_mode_set *set,
123 struct drm_atomic_state *state);
124
125int drm_atomic_helper_disable_all(struct drm_device *dev,
126 struct drm_modeset_acquire_ctx *ctx);
127void drm_atomic_helper_shutdown(struct drm_device *dev);
128struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev);
129int drm_atomic_helper_commit_duplicated_state(struct drm_atomic_state *state,
130 struct drm_modeset_acquire_ctx *ctx);
131int drm_atomic_helper_resume(struct drm_device *dev,
132 struct drm_atomic_state *state);
133
134int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
135 struct drm_framebuffer *fb,
136 struct drm_pending_vblank_event *event,
137 uint32_t flags,
138 struct drm_modeset_acquire_ctx *ctx);
139int drm_atomic_helper_page_flip_target(
140 struct drm_crtc *crtc,
141 struct drm_framebuffer *fb,
142 struct drm_pending_vblank_event *event,
143 uint32_t flags,
144 uint32_t target,
145 struct drm_modeset_acquire_ctx *ctx);
146struct drm_encoder *
147drm_atomic_helper_best_encoder(struct drm_connector *connector);
148
149
150void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc);
151void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc,
152 struct drm_crtc_state *state);
153struct drm_crtc_state *
154drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc);
155void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc_state *state);
156void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
157 struct drm_crtc_state *state);
158
159void drm_atomic_helper_plane_reset(struct drm_plane *plane);
160void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane,
161 struct drm_plane_state *state);
162struct drm_plane_state *
163drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane);
164void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state);
165void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
166 struct drm_plane_state *state);
167
168void __drm_atomic_helper_connector_reset(struct drm_connector *connector,
169 struct drm_connector_state *conn_state);
170void drm_atomic_helper_connector_reset(struct drm_connector *connector);
171void
172__drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
173 struct drm_connector_state *state);
174struct drm_connector_state *
175drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector);
176struct drm_atomic_state *
177drm_atomic_helper_duplicate_state(struct drm_device *dev,
178 struct drm_modeset_acquire_ctx *ctx);
179void
180__drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state);
181void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
182 struct drm_connector_state *state);
183int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
184 u16 *red, u16 *green, u16 *blue,
185 uint32_t size,
186 struct drm_modeset_acquire_ctx *ctx);
187void __drm_atomic_helper_private_obj_duplicate_state(struct drm_private_obj *obj,
188 struct drm_private_state *state);
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201#define drm_atomic_crtc_for_each_plane(plane, crtc) \
202 drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask)
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214#define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \
215 drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask)
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232#define drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, crtc_state) \
233 drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) \
234 for_each_if ((plane_state = \
235 __drm_atomic_get_current_plane_state((crtc_state)->state, \
236 plane)))
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250static inline bool
251drm_atomic_plane_disabling(struct drm_plane_state *old_plane_state,
252 struct drm_plane_state *new_plane_state)
253{
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259 WARN_ON((new_plane_state->crtc == NULL && new_plane_state->fb != NULL) ||
260 (new_plane_state->crtc != NULL && new_plane_state->fb == NULL));
261
262 return old_plane_state->crtc && !new_plane_state->crtc;
263}
264
265#endif
266