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1/* SPDX-License-Identifier: MIT */2/*3 * Copyright © 2023 Intel Corporation4 */5 6#ifndef __INTEL_MODESET_LOCK_H__7#define __INTEL_MODESET_LOCK_H__8 9#include <linux/types.h>10 11struct drm_modeset_acquire_ctx;12struct intel_atomic_state;13 14void _intel_modeset_lock_begin(struct drm_modeset_acquire_ctx *ctx,15 struct intel_atomic_state *state,16 unsigned int flags,17 int *ret);18bool _intel_modeset_lock_loop(int *ret);19void _intel_modeset_lock_end(struct drm_modeset_acquire_ctx *ctx,20 struct intel_atomic_state *state,21 int *ret);22 23/*24 * Note that one must always use "continue" rather than25 * "break" or "return" to handle errors within the26 * intel_modeset_lock_ctx_retry() block.27 */28#define intel_modeset_lock_ctx_retry(ctx, state, flags, ret) \29 for (_intel_modeset_lock_begin((ctx), (state), (flags), &(ret)); \30 _intel_modeset_lock_loop(&(ret)); \31 _intel_modeset_lock_end((ctx), (state), &(ret)))32 33#endif /* __INTEL_MODESET_LOCK_H__ */34