]> Git Repo - linux.git/blob - drivers/gpu/drm/i915/display/intel_modeset_lock.h
net: wan: Add framer framework support
[linux.git] / drivers / gpu / drm / i915 / display / intel_modeset_lock.h
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2023 Intel Corporation
4  */
5
6 #ifndef __INTEL_MODESET_LOCK_H__
7 #define __INTEL_MODESET_LOCK_H__
8
9 #include <linux/types.h>
10
11 struct drm_modeset_acquire_ctx;
12 struct intel_atomic_state;
13
14 void _intel_modeset_lock_begin(struct drm_modeset_acquire_ctx *ctx,
15                                struct intel_atomic_state *state,
16                                unsigned int flags,
17                                int *ret);
18 bool _intel_modeset_lock_loop(int *ret);
19 void _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 than
25  * "break" or "return" to handle errors within the
26  * 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__ */
This page took 0.034829 seconds and 4 git commands to generate.