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