| 1 | /* SPDX-License-Identifier: MIT */ |
|---|---|
| 2 | /* |
| 3 | * Copyright © 2020 Intel Corporation |
| 4 | */ |
| 5 | |
| 6 | #ifndef __INTEL_GLOBAL_STATE_H__ |
| 7 | #define __INTEL_GLOBAL_STATE_H__ |
| 8 | |
| 9 | #include <linux/kref.h> |
| 10 | #include <linux/list.h> |
| 11 | |
| 12 | struct intel_atomic_state; |
| 13 | struct intel_display; |
| 14 | struct intel_global_commit; |
| 15 | struct intel_global_obj; |
| 16 | struct intel_global_state; |
| 17 | |
| 18 | struct intel_global_state_funcs { |
| 19 | struct intel_global_state *(*atomic_duplicate_state)(struct intel_global_obj *obj); |
| 20 | void (*atomic_destroy_state)(struct intel_global_obj *obj, |
| 21 | struct intel_global_state *state); |
| 22 | }; |
| 23 | |
| 24 | struct intel_global_obj { |
| 25 | struct list_head head; |
| 26 | struct intel_global_state *state; |
| 27 | const struct intel_global_state_funcs *funcs; |
| 28 | }; |
| 29 | |
| 30 | struct intel_global_state { |
| 31 | struct intel_global_obj *obj; |
| 32 | struct intel_atomic_state *state; |
| 33 | struct intel_global_commit *commit; |
| 34 | struct kref ref; |
| 35 | bool changed, serialized; |
| 36 | }; |
| 37 | |
| 38 | void intel_atomic_global_obj_init(struct intel_display *display, |
| 39 | struct intel_global_obj *obj, |
| 40 | struct intel_global_state *state, |
| 41 | const struct intel_global_state_funcs *funcs); |
| 42 | void intel_atomic_global_obj_cleanup(struct intel_display *display); |
| 43 | |
| 44 | struct intel_global_state * |
| 45 | intel_atomic_get_global_obj_state(struct intel_atomic_state *state, |
| 46 | struct intel_global_obj *obj); |
| 47 | struct intel_global_state * |
| 48 | intel_atomic_get_old_global_obj_state(struct intel_atomic_state *state, |
| 49 | struct intel_global_obj *obj); |
| 50 | struct intel_global_state * |
| 51 | intel_atomic_get_new_global_obj_state(struct intel_atomic_state *state, |
| 52 | struct intel_global_obj *obj); |
| 53 | |
| 54 | void intel_atomic_swap_global_state(struct intel_atomic_state *state); |
| 55 | void intel_atomic_clear_global_state(struct intel_atomic_state *state); |
| 56 | int intel_atomic_lock_global_state(struct intel_global_state *obj_state); |
| 57 | int intel_atomic_serialize_global_state(struct intel_global_state *obj_state); |
| 58 | |
| 59 | int intel_atomic_global_state_setup_commit(struct intel_atomic_state *state); |
| 60 | void intel_atomic_global_state_commit_done(struct intel_atomic_state *state); |
| 61 | int intel_atomic_global_state_wait_for_dependencies(struct intel_atomic_state *state); |
| 62 | |
| 63 | bool intel_atomic_global_state_is_serialized(struct intel_atomic_state *state); |
| 64 | |
| 65 | #endif |
| 66 |