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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2023 Intel Corporation
*/
#ifndef __INTEL_MODESET_LOCK_H__
#define __INTEL_MODESET_LOCK_H__
#include <linux/types.h>
struct drm_modeset_acquire_ctx;
struct intel_atomic_state;
void _intel_modeset_lock_begin(struct drm_modeset_acquire_ctx *ctx,
struct intel_atomic_state *state,
unsigned int flags,
int *ret);
bool _intel_modeset_lock_loop(int *ret);
void _intel_modeset_lock_end(struct drm_modeset_acquire_ctx *ctx,
struct intel_atomic_state *state,
int *ret);
/*
* Note that one must always use "continue" rather than
* "break" or "return" to handle errors within the
* intel_modeset_lock_ctx_retry() block.
*/
#define intel_modeset_lock_ctx_retry(ctx, state, flags, ret) \
for (_intel_modeset_lock_begin((ctx), (state), (flags), &(ret)); \
_intel_modeset_lock_loop(&(ret)); \
_intel_modeset_lock_end((ctx), (state), &(ret)))
#endif /* __INTEL_MODESET_LOCK_H__ */
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