[Intel-gfx] [PATCH 09/10] drm/i915/gem: Allow combining submit-fences with syncobj

[Chris Wilson]

Quoting Tvrtko Ursulin (2020-04-07 11:44:45)
> 
> On 03/04/2020 10:12, Chris Wilson wrote:
> > Fixes: a88b6e4cbafd ("drm/i915: Allow specification of parallel execbuf")
> 
> It looks like new uapi on the technical level, even though from a higher 
> level it is just an application of existing uapi across more modes, so 
> why fixes and who is the consumer?

Submitting semaphores from userspace for batches under construction
[passed between processes via syncobj/sync-file]. iris has a bug where
it is trying to wait on a future fence to be submitted and cannot --
but we already have the uapi to handle that elsewhere.
-Chris