Re: [RFC 0/6] drm/fences: add in-fences to DRM

Inki Dae
2016-03-31T11:40:43Z

2016-03-31 19:04 GMT+09:00 Daniel Vetter <daniel@ffwll.ch>:
> On Thu, Mar 31, 2016 at 10:35:11AM +0100, Daniel Stone wrote:
>> Well, it has to be one or the other: mixing explicit and implicit,
>> defeats the purpose of using explicit fencing. So, when explicit
>> fencing is in use, implicit fences must be ignored.
>
> You can mix it, if you're careful. CrOS wants that to better mesh android
> with Ozone, and we'll be discussing what needs to be added to be able to
> make it work implicit and explicit fencing work together, in both
> directions. Of course this should only be used for shared buffers, e.g.
> explicit syncing in an android client running on top of implicitly synced
> ozone/kms.

Good idea. I hope fence things of mainline would be more discussed so
could be considered for many cases.

Thanks,
Inki Dae

> -Daniel
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel