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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374/* SPDX-License-Identifier: MIT */
#ifndef _DRM_VBLANK_WORK_H_#define _DRM_VBLANK_WORK_H_
#include <linux/kthread.h>
struct drm_crtc;
/** * struct drm_vblank_work - A delayed work item which delays until a target * vblank passes, and then executes at realtime priority outside of IRQ * context. * * See also: * drm_vblank_work_schedule() * drm_vblank_work_init() * drm_vblank_work_cancel_sync() * drm_vblank_work_flush() * drm_vblank_work_flush_all() */struct drm_vblank_work { /** * @base: The base &kthread_work item which will be executed by * &drm_vblank_crtc.worker. Drivers should not interact with this * directly, and instead rely on drm_vblank_work_init() to initialize * this. */ struct kthread_work base;
/** * @vblank: A pointer to &drm_vblank_crtc this work item belongs to. */ struct drm_vblank_crtc *vblank;
/** * @count: The target vblank this work will execute on. Drivers should * not modify this value directly, and instead use * drm_vblank_work_schedule() */ u64 count;
/** * @cancelling: The number of drm_vblank_work_cancel_sync() calls that * are currently running. A work item cannot be rescheduled until all * calls have finished. */ int cancelling;
/** * @node: The position of this work item in * &drm_vblank_crtc.pending_work. */ struct list_head node;};
/** * to_drm_vblank_work - Retrieve the respective &drm_vblank_work item from a * &kthread_work * @_work: The &kthread_work embedded inside a &drm_vblank_work */#define to_drm_vblank_work(_work) \ container_of((_work), struct drm_vblank_work, base)
int drm_vblank_work_schedule(struct drm_vblank_work *work, u64 count, bool nextonmiss);void drm_vblank_work_init(struct drm_vblank_work *work, struct drm_crtc *crtc, void (*func)(struct kthread_work *work));bool drm_vblank_work_cancel_sync(struct drm_vblank_work *work);void drm_vblank_work_flush(struct drm_vblank_work *work);void drm_vblank_work_flush_all(struct drm_crtc *crtc);
#endif /* !_DRM_VBLANK_WORK_H_ */