diff options
Diffstat (limited to 'drivers/gpu/mali400/r3p2/mali/linux/mali_ukk_core.c')
| -rw-r--r-- | drivers/gpu/mali400/r3p2/mali/linux/mali_ukk_core.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/mali/linux/mali_ukk_core.c b/drivers/gpu/mali400/r3p2/mali/linux/mali_ukk_core.c index 1768ff2..6eaea79 100644 --- a/drivers/gpu/mali400/r3p2/mali/linux/mali_ukk_core.c +++ b/drivers/gpu/mali400/r3p2/mali/linux/mali_ukk_core.c @@ -152,6 +152,26 @@ int sync_fence_create_empty_wrapper(struct mali_session_data *session_data, _mal return 0; } +int sync_fence_create_signalled_wrapper(struct mali_session_data *session_data, _mali_uk_fence_create_signalled_s __user *uargs) +{ + _mali_uk_fence_create_signalled_s kargs; + + MALI_CHECK_NON_NULL(uargs, -EINVAL); + + if (0 != get_user(kargs.stream, &uargs->stream)) return -EFAULT; + + kargs.fence = mali_stream_create_signalled_fence(kargs.stream); + if (0 > kargs.fence) + { + return kargs.fence; + } + + kargs.ctx = NULL; /* prevent kernel address to be returned to user space */ + if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_fence_create_signalled_s))) return -EFAULT; + + return 0; +} + int sync_fence_validate_wrapper(struct mali_session_data *session, _mali_uk_fence_validate_s __user *uargs) { int fd; |