Files
linux-nvgpu/drivers/gpu/nvgpu/os/linux/sync_sema_android.h
Konsta Hölttä 23d6b36101 gpu: nvgpu: add dma_fence semaphore support
Support exporting and importing semaphore-based synchronization with the
stable dma-fence API. The "Android" sync fence API used until now is
deprecated.

The Android sync framework is still kept as the default.

Jira NVGPU-5353

Change-Id: I9e57947adeb4d2ef5d59135ed7d008553c44f97c
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2336119
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2020-12-15 14:13:28 -06:00

52 lines
1.7 KiB
C

/*
* Semaphore Sync Framework Integration
*
* Copyright (c) 2017-2020, 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.
*
* 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 NVGPU_OS_LINUX_SYNC_SEMA_ANDROID_H
#define NVGPU_OS_LINUX_SYNC_SEMA_ANDROID_H
struct sync_timeline;
struct sync_fence;
struct sync_pt;
struct nvgpu_semaphore;
struct fence;
#ifdef CONFIG_NVGPU_SYNCFD_ANDROID
struct sync_timeline *gk20a_sync_timeline_create(const char *name);
void gk20a_sync_timeline_destroy(struct sync_timeline *);
void gk20a_sync_timeline_signal(struct sync_timeline *);
struct sync_fence *gk20a_sync_fence_create(
struct nvgpu_channel *c,
struct nvgpu_semaphore *,
const char *fmt, ...);
struct sync_fence *gk20a_sync_fence_fdget(int fd);
struct nvgpu_semaphore *gk20a_sync_pt_sema(struct sync_pt *spt);
#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;
}
static inline struct sync_timeline *gk20a_sync_timeline_create(
const char *name) {
return NULL;
}
#endif
#endif