[PATCH] drm/syncobj: return meaningful value to user space

[Chunming Zhou]

在 2019/7/18 19:18, Chris Wilson 写道:
> Quoting Chunming Zhou (2019-07-18 12:13:39)
>> if WAIT_FOR_SUBMIT isn't set and in the meanwhile no underlying fence on syncobj,
>> then return non-block error code to user sapce.
> Block device required?

Yes, if WAIT_FOR_SUBMIT is set, then that will block device.


-David

>
> I presume you tried the EWOULDBLOCK which would be implied by your
> sentence and found that would be an interesting experience.
> -Chris