Quoting Lionel Landwerlin (2019-05-23 12:46:20)
> - syncobj = drm_syncobj_find(file, fence.handle);
> - if (!syncobj) {
> - DRM_DEBUG("Invalid syncobj handle provided\n");
> - err = -ENOENT;
> - goto err;
> + if (user_fence.flags & __I915_EXEC_FENCE_UNKNOWN_FLAGS) {
> + err = -EINVAL;
> + goto err;
> + }
> +
> + if (user_fence.flags & I915_EXEC_FENCE_WAIT) {
> + err = drm_syncobj_find_fence(
> + file, user_fence.handle, user_fence.value,
> + DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT,
> + &syncobj, &fence);
Is this still a synchronous wait? That would be an unfortunate change in
behaviour and antithesis to having a scheduler.
-Chris
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