Linux-6.18.2/drivers/gpu/drm/i915/display/intel_global_state.h
2025-12-23 20:06:59 +08:00

66 lines
2.1 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2020 Intel Corporation
*/
#ifndef __INTEL_GLOBAL_STATE_H__
#define __INTEL_GLOBAL_STATE_H__
#include <linux/kref.h>
#include <linux/list.h>
struct intel_atomic_state;
struct intel_display;
struct intel_global_commit;
struct intel_global_obj;
struct intel_global_state;
struct intel_global_state_funcs {
struct intel_global_state *(*atomic_duplicate_state)(struct intel_global_obj *obj);
void (*atomic_destroy_state)(struct intel_global_obj *obj,
struct intel_global_state *state);
};
struct intel_global_obj {
struct list_head head;
struct intel_global_state *state;
const struct intel_global_state_funcs *funcs;
};
struct intel_global_state {
struct intel_global_obj *obj;
struct intel_atomic_state *state;
struct intel_global_commit *commit;
struct kref ref;
bool changed, serialized;
};
void intel_atomic_global_obj_init(struct intel_display *display,
struct intel_global_obj *obj,
struct intel_global_state *state,
const struct intel_global_state_funcs *funcs);
void intel_atomic_global_obj_cleanup(struct intel_display *display);
struct intel_global_state *
intel_atomic_get_global_obj_state(struct intel_atomic_state *state,
struct intel_global_obj *obj);
struct intel_global_state *
intel_atomic_get_old_global_obj_state(struct intel_atomic_state *state,
struct intel_global_obj *obj);
struct intel_global_state *
intel_atomic_get_new_global_obj_state(struct intel_atomic_state *state,
struct intel_global_obj *obj);
void intel_atomic_swap_global_state(struct intel_atomic_state *state);
void intel_atomic_clear_global_state(struct intel_atomic_state *state);
int intel_atomic_lock_global_state(struct intel_global_state *obj_state);
int intel_atomic_serialize_global_state(struct intel_global_state *obj_state);
int intel_atomic_global_state_setup_commit(struct intel_atomic_state *state);
void intel_atomic_global_state_commit_done(struct intel_atomic_state *state);
int intel_atomic_global_state_wait_for_dependencies(struct intel_atomic_state *state);
bool intel_atomic_global_state_is_serialized(struct intel_atomic_state *state);
#endif