[PATCH v2 0/9] Updated fence patch series

Greg KH gregkh at linuxfoundation.org
Tue Jul 8 13:46:40 PDT 2014


On Wed, Jul 02, 2014 at 11:12:32AM +0200, Maarten Lankhorst wrote:
> op 02-07-14 07:37, Greg KH schreef:
> > On Tue, Jul 01, 2014 at 12:57:02PM +0200, Maarten Lankhorst wrote:
> >> So after some more hacking I've moved dma-buf to its own subdirectory,
> >> drivers/dma-buf and applied the fence patches to its new place. I believe that the
> >> first patch should be applied regardless, and the rest should be ready now.
> >> :-)
> >>
> >> Changes to the fence api:
> >> - release_fence -> fence_release etc.
> >> - __fence_init -> fence_init
> >> - __fence_signal -> fence_signal_locked
> >> - __fence_is_signaled -> fence_is_signaled_locked
> >> - Changing BUG_ON to WARN_ON in fence_later, and return NULL if it triggers.
> >>
> >> Android can expose fences to userspace. It's possible to make the new fence
> >> mechanism expose the same fences to userspace by changing sync_fence_create
> >> to take a struct fence instead of a struct sync_pt. No other change is needed,
> >> because only the fence parts of struct sync_pt are used. But because the
> >> userspace fences are a separate problem and I haven't really looked at it yet
> >> I feel it should stay in staging, for now.
> > Ok, that's reasonable.
> >
> > At first glance, this all looks "sane" to me, any objection from anyone
> > if I merge this through my driver-core tree for 3.17?
> >
> Sounds good to me, let me know when you pull it in, so I can rebase my
> drm conversion on top of it. :-)

All are now queued up and in my driver-core tree in the driver-core-next
branch, you should have gotten the emails about it.

thanks,

greg k-h


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