/** * 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)
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