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synced 2026-04-18 14:53:58 -04:00
BackMerge tag 'v4.15-rc8' into drm-next
Linux 4.15-rc8 Daniel requested this for so the intel CI won't fall over on drm-next so often.
This commit is contained in:
@@ -399,23 +399,6 @@ static const struct file_operations drm_syncobj_file_fops = {
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.release = drm_syncobj_file_release,
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};
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static int drm_syncobj_alloc_file(struct drm_syncobj *syncobj)
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{
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struct file *file = anon_inode_getfile("syncobj_file",
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&drm_syncobj_file_fops,
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syncobj, 0);
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if (IS_ERR(file))
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return PTR_ERR(file);
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drm_syncobj_get(syncobj);
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if (cmpxchg(&syncobj->file, NULL, file)) {
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/* lost the race */
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fput(file);
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}
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return 0;
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}
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/**
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* drm_syncobj_get_fd - get a file descriptor from a syncobj
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* @syncobj: Sync object to export
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@@ -427,21 +410,24 @@ static int drm_syncobj_alloc_file(struct drm_syncobj *syncobj)
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*/
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int drm_syncobj_get_fd(struct drm_syncobj *syncobj, int *p_fd)
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{
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int ret;
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struct file *file;
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int fd;
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fd = get_unused_fd_flags(O_CLOEXEC);
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if (fd < 0)
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return fd;
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if (!syncobj->file) {
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ret = drm_syncobj_alloc_file(syncobj);
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if (ret) {
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put_unused_fd(fd);
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return ret;
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}
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file = anon_inode_getfile("syncobj_file",
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&drm_syncobj_file_fops,
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syncobj, 0);
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if (IS_ERR(file)) {
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put_unused_fd(fd);
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return PTR_ERR(file);
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}
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fd_install(fd, syncobj->file);
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drm_syncobj_get(syncobj);
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fd_install(fd, file);
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*p_fd = fd;
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return 0;
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}
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@@ -461,31 +447,24 @@ static int drm_syncobj_handle_to_fd(struct drm_file *file_private,
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return ret;
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}
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static struct drm_syncobj *drm_syncobj_fdget(int fd)
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{
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struct file *file = fget(fd);
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if (!file)
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return NULL;
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if (file->f_op != &drm_syncobj_file_fops)
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goto err;
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return file->private_data;
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err:
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fput(file);
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return NULL;
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};
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static int drm_syncobj_fd_to_handle(struct drm_file *file_private,
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int fd, u32 *handle)
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{
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struct drm_syncobj *syncobj = drm_syncobj_fdget(fd);
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struct drm_syncobj *syncobj;
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struct file *file;
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int ret;
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if (!syncobj)
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file = fget(fd);
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if (!file)
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return -EINVAL;
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if (file->f_op != &drm_syncobj_file_fops) {
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fput(file);
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return -EINVAL;
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}
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/* take a reference to put in the idr */
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syncobj = file->private_data;
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drm_syncobj_get(syncobj);
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idr_preload(GFP_KERNEL);
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@@ -494,12 +473,14 @@ static int drm_syncobj_fd_to_handle(struct drm_file *file_private,
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spin_unlock(&file_private->syncobj_table_lock);
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idr_preload_end();
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if (ret < 0) {
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fput(syncobj->file);
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return ret;
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}
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*handle = ret;
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return 0;
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if (ret > 0) {
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*handle = ret;
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ret = 0;
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} else
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drm_syncobj_put(syncobj);
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fput(file);
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return ret;
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}
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static int drm_syncobj_import_sync_file_fence(struct drm_file *file_private,
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