// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
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/*
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*
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* (C) COPYRIGHT 2011-2022 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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#include <linux/atomic.h>
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#include <linux/list.h>
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#include <linux/spinlock.h>
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#include <mali_kbase_fence.h>
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#include <mali_kbase.h>
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/* Spin lock protecting all Mali fences as fence->lock. */
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static DEFINE_SPINLOCK(kbase_fence_lock);
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#if (KERNEL_VERSION(4, 10, 0) > LINUX_VERSION_CODE)
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struct fence *
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kbase_fence_out_new(struct kbase_jd_atom *katom)
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#else
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struct dma_fence *
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kbase_fence_out_new(struct kbase_jd_atom *katom)
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#endif
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{
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#if (KERNEL_VERSION(4, 10, 0) > LINUX_VERSION_CODE)
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struct fence *fence;
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#else
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struct dma_fence *fence;
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#endif
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WARN_ON(katom->dma_fence.fence);
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fence = kzalloc(sizeof(*fence), GFP_KERNEL);
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if (!fence)
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return NULL;
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dma_fence_init(fence,
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&kbase_fence_ops,
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&kbase_fence_lock,
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katom->dma_fence.context,
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atomic_inc_return(&katom->dma_fence.seqno));
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katom->dma_fence.fence = fence;
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return fence;
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}
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