diff options
Diffstat (limited to 'drivers/gpu/host1x/syncpt.h')
| -rw-r--r-- | drivers/gpu/host1x/syncpt.h | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/drivers/gpu/host1x/syncpt.h b/drivers/gpu/host1x/syncpt.h index d98e22325e9d..4c3f3b2f0e9c 100644 --- a/drivers/gpu/host1x/syncpt.h +++ b/drivers/gpu/host1x/syncpt.h @@ -1,19 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Tegra host1x Syncpoints * * Copyright (c) 2010-2013, NVIDIA Corporation. - * - * 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 __HOST1X_SYNCPT_H @@ -22,8 +11,10 @@ #include <linux/atomic.h> #include <linux/host1x.h> #include <linux/kernel.h> +#include <linux/kref.h> #include <linux/sched.h> +#include "fence.h" #include "intr.h" struct host1x; @@ -37,6 +28,8 @@ struct host1x_syncpt_base { }; struct host1x_syncpt { + struct kref ref; + unsigned int id; atomic_t min_val; atomic_t max_val; @@ -44,11 +37,17 @@ struct host1x_syncpt { const char *name; bool client_managed; struct host1x *host; - struct host1x_client *client; struct host1x_syncpt_base *base; /* interrupt data */ - struct host1x_syncpt_intr intr; + struct host1x_fence_list fences; + + /* + * If a submission incrementing this syncpoint fails, lock it so that + * further submission cannot be made until application has handled the + * failure. + */ + bool locked; }; /* Initialize sync point array */ @@ -124,4 +123,9 @@ static inline int host1x_syncpt_is_valid(struct host1x_syncpt *sp) return sp->id < host1x_syncpt_nb_pts(sp->host); } +static inline void host1x_syncpt_set_locked(struct host1x_syncpt *sp) +{ + sp->locked = true; +} + #endif |