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/*
* Copyright (C) 2013-2016 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*
* 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/>.
*/
#ifndef __MSM_FENCE_H__
#define __MSM_FENCE_H__
#include "msm_drv.h"
/* callback from wq once fence has passed: */
struct msm_fence_cb {
struct work_struct work;
uint32_t fence;
void (*func)(struct msm_fence_cb *cb);
};
void __msm_fence_worker(struct work_struct *work);
#define INIT_FENCE_CB(_cb, _func) do { \
INIT_WORK(&(_cb)->work, __msm_fence_worker); \
(_cb)->func = _func; \
} while (0)
int msm_wait_fence(struct drm_device *dev, uint32_t fence,
ktime_t *timeout, bool interruptible);
int msm_queue_fence_cb(struct drm_device *dev,
struct msm_fence_cb *cb, uint32_t fence);
void msm_update_fence(struct drm_device *dev, uint32_t fence);
#endif
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