2016-08-03 Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>: > On Tue, Jul 12, 2016 at 03:08:45PM -0300, Gustavo Padovan wrote: > > From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx> > > > > Signalling doesn't need to be enabled at sync_file creation, it is only > > required if userspace waiting the fence to signal through poll(). > > > > Thus we delay fence_add_callback() until poll is called. It only adds the > > callback the first time poll() is called. This avoid re-adding the same > > callback multiple times. > > > > v2: rebase and update to work with new fence support for sync_file > > > > v3: use atomic operation to set enabled and protect fence_add_callback() > > There's actually a spare bit in fence->flags you can use for this. > > #define POLL_ENABLED FENCE_FLAG_USER_BITS Wouldn't it be better to add a new bit to fence_flags_bit? Gustavo _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
