forked from Minki/linux
caab277b1d
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 503 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190602204653.811534538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
34 lines
926 B
C
34 lines
926 B
C
/* 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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