From 863981e96738983919de841ec669e157e6bdaeb0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Sun, 11 Sep 2016 04:34:46 -0300 Subject: Linux-libre 4.7.1-gnu --- drivers/gpu/drm/msm/msm_fence.h | 46 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 drivers/gpu/drm/msm/msm_fence.h (limited to 'drivers/gpu/drm/msm/msm_fence.h') diff --git a/drivers/gpu/drm/msm/msm_fence.h b/drivers/gpu/drm/msm/msm_fence.h new file mode 100644 index 000000000..ceb5b3d31 --- /dev/null +++ b/drivers/gpu/drm/msm/msm_fence.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2013-2016 Red Hat + * Author: Rob Clark + * + * 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 . + */ + +#ifndef __MSM_FENCE_H__ +#define __MSM_FENCE_H__ + +#include "msm_drv.h" + +struct msm_fence_context { + struct drm_device *dev; + const char *name; + unsigned context; + /* last_fence == completed_fence --> no pending work */ + uint32_t last_fence; /* last assigned fence */ + uint32_t completed_fence; /* last completed fence */ + wait_queue_head_t event; + spinlock_t spinlock; +}; + +struct msm_fence_context * msm_fence_context_alloc(struct drm_device *dev, + const char *name); +void msm_fence_context_free(struct msm_fence_context *fctx); + +int msm_wait_fence(struct msm_fence_context *fctx, uint32_t fence, + ktime_t *timeout, bool interruptible); +int msm_queue_fence_cb(struct msm_fence_context *fctx, + struct msm_fence_cb *cb, uint32_t fence); +void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence); + +struct fence * msm_fence_alloc(struct msm_fence_context *fctx); + +#endif -- cgit v1.2.3-54-g00ecf