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// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
/*
*
* (C) COPYRIGHT 2011-2022 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU license.
*
* 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, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
#include <linux/atomic.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <mali_kbase_fence.h>
#include <mali_kbase.h>
/* Spin lock protecting all Mali fences as fence->lock. */
static DEFINE_SPINLOCK(kbase_fence_lock);
#if (KERNEL_VERSION(4, 10, 0) > LINUX_VERSION_CODE)
struct fence *
kbase_fence_out_new(struct kbase_jd_atom *katom)
#else
struct dma_fence *
kbase_fence_out_new(struct kbase_jd_atom *katom)
#endif
{
#if (KERNEL_VERSION(4, 10, 0) > LINUX_VERSION_CODE)
struct fence *fence;
#else
struct dma_fence *fence;
#endif
WARN_ON(katom->dma_fence.fence);
fence = kzalloc(sizeof(*fence), GFP_KERNEL);
if (!fence)
return NULL;
dma_fence_init(fence,
&kbase_fence_ops,
&kbase_fence_lock,
katom->dma_fence.context,
atomic_inc_return(&katom->dma_fence.seqno));
katom->dma_fence.fence = fence;
return fence;
}
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