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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2013-2016 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*/
#ifndef __MSM_FENCE_H__
#define __MSM_FENCE_H__
#include "msm_drv.h"
struct msm_fence_context {
struct drm_device *dev;
char name[32];
unsigned context;
/* last_fence == completed_fence --> no pending work */
uint32_t last_fence; /* last assigned fence */
uint32_t completed_fence; /* last completed fence */
wait_queue_head_t event;
spinlock_t spinlock;
};
struct msm_fence_context * msm_fence_context_alloc(struct drm_device *dev,
const char *name);
void msm_fence_context_free(struct msm_fence_context *fctx);
int msm_wait_fence(struct msm_fence_context *fctx, uint32_t fence,
ktime_t *timeout, bool interruptible);
void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence);
struct dma_fence * msm_fence_alloc(struct msm_fence_context *fctx);
#endif
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