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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#include <drm/drm_atomic_state_helper.h>
35#include <drm/drm_util.h>
36
37struct drm_atomic_state;
38struct drm_private_obj;
39struct drm_private_state;
40
41int drm_atomic_helper_check_modeset(struct drm_device *dev,
42 struct drm_atomic_state *state);
43int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state,
44 const struct drm_crtc_state *crtc_state,
45 int min_scale,
46 int max_scale,
47 bool can_position,
48 bool can_update_disabled);
49int drm_atomic_helper_check_planes(struct drm_device *dev,
50 struct drm_atomic_state *state);
51int drm_atomic_helper_check(struct drm_device *dev,
52 struct drm_atomic_state *state);
53void drm_atomic_helper_commit_tail(struct drm_atomic_state *state);
54void drm_atomic_helper_commit_tail_rpm(struct drm_atomic_state *state);
55int drm_atomic_helper_commit(struct drm_device *dev,
56 struct drm_atomic_state *state,
57 bool nonblock);
58int drm_atomic_helper_async_check(struct drm_device *dev,
59 struct drm_atomic_state *state);
60void drm_atomic_helper_async_commit(struct drm_device *dev,
61 struct drm_atomic_state *state);
62
63int drm_atomic_helper_wait_for_fences(struct drm_device *dev,
64 struct drm_atomic_state *state,
65 bool pre_swap);
66
67void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,
68 struct drm_atomic_state *old_state);
69
70void drm_atomic_helper_wait_for_flip_done(struct drm_device *dev,
71 struct drm_atomic_state *old_state);
72
73void
74drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev,
75 struct drm_atomic_state *old_state);
76
77void
78drm_atomic_helper_calc_timestamping_constants(struct drm_atomic_state *state);
79
80void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev,
81 struct drm_atomic_state *state);
82void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
83 struct drm_atomic_state *old_state);
84
85int drm_atomic_helper_prepare_planes(struct drm_device *dev,
86 struct drm_atomic_state *state);
87
88#define DRM_PLANE_COMMIT_ACTIVE_ONLY BIT(0)
89#define DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET BIT(1)
90
91void drm_atomic_helper_commit_planes(struct drm_device *dev,
92 struct drm_atomic_state *state,
93 uint32_t flags);
94void drm_atomic_helper_cleanup_planes(struct drm_device *dev,
95 struct drm_atomic_state *old_state);
96void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state);
97void
98drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state,
99 bool atomic);
100
101int __must_check drm_atomic_helper_swap_state(struct drm_atomic_state *state,
102 bool stall);
103
104
105int drm_atomic_helper_setup_commit(struct drm_atomic_state *state,
106 bool nonblock);
107void drm_atomic_helper_wait_for_dependencies(struct drm_atomic_state *state);
108void drm_atomic_helper_fake_vblank(struct drm_atomic_state *state);
109void drm_atomic_helper_commit_hw_done(struct drm_atomic_state *state);
110void drm_atomic_helper_commit_cleanup_done(struct drm_atomic_state *state);
111
112
113int drm_atomic_helper_update_plane(struct drm_plane *plane,
114 struct drm_crtc *crtc,
115 struct drm_framebuffer *fb,
116 int crtc_x, int crtc_y,
117 unsigned int crtc_w, unsigned int crtc_h,
118 uint32_t src_x, uint32_t src_y,
119 uint32_t src_w, uint32_t src_h,
120 struct drm_modeset_acquire_ctx *ctx);
121int drm_atomic_helper_disable_plane(struct drm_plane *plane,
122 struct drm_modeset_acquire_ctx *ctx);
123int drm_atomic_helper_set_config(struct drm_mode_set *set,
124 struct drm_modeset_acquire_ctx *ctx);
125
126int drm_atomic_helper_disable_all(struct drm_device *dev,
127 struct drm_modeset_acquire_ctx *ctx);
128void drm_atomic_helper_shutdown(struct drm_device *dev);
129struct drm_atomic_state *
130drm_atomic_helper_duplicate_state(struct drm_device *dev,
131 struct drm_modeset_acquire_ctx *ctx);
132struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev);
133int drm_atomic_helper_commit_duplicated_state(struct drm_atomic_state *state,
134 struct drm_modeset_acquire_ctx *ctx);
135int drm_atomic_helper_resume(struct drm_device *dev,
136 struct drm_atomic_state *state);
137
138int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
139 struct drm_framebuffer *fb,
140 struct drm_pending_vblank_event *event,
141 uint32_t flags,
142 struct drm_modeset_acquire_ctx *ctx);
143int drm_atomic_helper_page_flip_target(
144 struct drm_crtc *crtc,
145 struct drm_framebuffer *fb,
146 struct drm_pending_vblank_event *event,
147 uint32_t flags,
148 uint32_t target,
149 struct drm_modeset_acquire_ctx *ctx);
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162#define drm_atomic_crtc_for_each_plane(plane, crtc) \
163 drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask)
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175#define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \
176 drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask)
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193#define drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, crtc_state) \
194 drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) \
195 for_each_if ((plane_state = \
196 __drm_atomic_get_current_plane_state((crtc_state)->state, \
197 plane)))
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211static inline bool
212drm_atomic_plane_disabling(struct drm_plane_state *old_plane_state,
213 struct drm_plane_state *new_plane_state)
214{
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219
220 WARN_ON((new_plane_state->crtc == NULL && new_plane_state->fb != NULL) ||
221 (new_plane_state->crtc != NULL && new_plane_state->fb == NULL));
222
223 return old_plane_state->crtc && !new_plane_state->crtc;
224}
225
226u32 *
227drm_atomic_helper_bridge_propagate_bus_fmt(struct drm_bridge *bridge,
228 struct drm_bridge_state *bridge_state,
229 struct drm_crtc_state *crtc_state,
230 struct drm_connector_state *conn_state,
231 u32 output_fmt,
232 unsigned int *num_input_fmts);
233
234#endif
235