This makes the logic from drm_syncobj_import_sync_file_fence available to callers that have a drm_syncobj instead of a drm_file/handle pair.
Signed-off-by: Julian Orth ju.orth@gmail.com --- drivers/gpu/drm/drm_syncobj.c | 35 ++++++++++++++++++++++++++--------- include/drm/drm_syncobj.h | 2 ++ 2 files changed, 28 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 1da96e23dfc0..4c1667c67cb7 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -765,19 +765,37 @@ static int drm_syncobj_fd_to_handle(struct drm_file *file_private, static int drm_syncobj_import_sync_file_fence(struct drm_file *file_private, int fd, int handle, u64 point) { - struct dma_fence *fence = sync_file_get_fence(fd); struct drm_syncobj *syncobj; int ret = 0;
+ syncobj = drm_syncobj_find(file_private, handle); + if (!syncobj) + return -ENOENT; + + ret = drm_syncobj_import_sync_file(syncobj, fd, point); + + drm_syncobj_put(syncobj); + + return ret; +} + +/** + * drm_syncobj_import_sync_file - import a sync_file fd into a syncobj + * @syncobj: syncobj to import into + * @fd: sync_file file descriptor + * @point: timeline point or 0 + * + * Returns 0 on success or a negative error value on failure. + */ +int drm_syncobj_import_sync_file(struct drm_syncobj *syncobj, + int fd, u64 point) +{ + struct dma_fence *fence = sync_file_get_fence(fd); + int ret = 0; + if (!fence) return -EINVAL;
- syncobj = drm_syncobj_find(file_private, handle); - if (!syncobj) { - ret = -ENOENT; - goto err_syncobj; - } - if (point) { struct dma_fence_chain *chain = dma_fence_chain_alloc();
@@ -792,11 +810,10 @@ static int drm_syncobj_import_sync_file_fence(struct drm_file *file_private, }
err: - drm_syncobj_put(syncobj); -err_syncobj: dma_fence_put(fence); return ret; } +EXPORT_SYMBOL(drm_syncobj_import_sync_file);
static int drm_syncobj_export_sync_file(struct drm_file *file_private, int handle, u64 point, int *p_fd) diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h index da237ca3e61f..1571ffa12a5c 100644 --- a/include/drm/drm_syncobj.h +++ b/include/drm/drm_syncobj.h @@ -143,6 +143,8 @@ int drm_syncobj_timeline_signal(struct drm_syncobj **syncobjs, u64 user_points, u32 count); int drm_syncobj_query(struct drm_syncobj **syncobjs, u64 user_points, u32 count, u32 flags); +int drm_syncobj_import_sync_file(struct drm_syncobj *syncobj, + int sync_file_fd, u64 point); void drm_syncobj_free(struct kref *kref); int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags, struct dma_fence *fence);