Files
linux-nvgpu/drivers/gpu/nvgpu/gk20a/sync_gk20a.h
Lauri Peltonen 954117fe11 gpu: nvgpu: Support sync framework with semaphores
Add sync_gk20a.c/h that support creating Android sync fence fd's from
gk20a semaphores.

Bug 1445450

Change-Id: I42272996721ceec38ba5510eae6770720bc9dd10
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
Reviewed-on: http://git-master/r/374843
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
2015-03-18 12:09:57 -07:00

47 lines
1.4 KiB
C

/*
* drivers/video/tegra/host/gk20a/sync_gk20a.h
*
* GK20A Sync Framework Integration
*
* Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*/
#ifndef _GK20A_SYNC_H_
#define _GK20A_SYNC_H_
#include <linux/types.h>
struct sync_timeline;
struct sync_fence;
struct sync_pt;
struct gk20a_semaphore;
#ifdef CONFIG_SYNC
struct sync_timeline *gk20a_sync_timeline_create(const char *fmt, ...);
void gk20a_sync_timeline_destroy(struct sync_timeline *);
void gk20a_sync_timeline_signal(struct sync_timeline *);
int gk20a_sync_fence_create(struct sync_timeline *,
struct gk20a_semaphore *,
struct sync_fence *dependency,
const char *fmt, ...);
struct sync_fence *gk20a_sync_fence_fdget(int fd);
#else
static inline void gk20a_sync_timeline_destroy(struct sync_timeline *obj) {}
static inline void gk20a_sync_timeline_signal(struct sync_timeline *obj) {}
static inline struct sync_fence *gk20a_sync_fence_fdget(int fd)
{
return NULL;
}
#endif
#endif