On Wed, Dec 09, 2020 at 05:36:16PM +0100, Thomas Hellström (Intel) wrote: > Jason, Christian > > In most implementations of the callback mentioned in the subject there's a > fence wait. > What exactly is it needed for? Invalidate must stop DMA before returning, so presumably drivers using a dma fence are relying on a dma fence mechanism to stop DMA. Jason _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
