Am 12.07.2017 um 17:53 schrieb Jason Ekstrand: > [SNIP] > > Is that easier than just waiting in the kernel, I'm not sure how > optimised we need this path to be. > > > I don't think so. I think it's more-or-less the same code regardless > of how it's done. The advantage of doing it in the kernel is that > it's standardized (we don't have to both go write that userspace code) > and it doesn't have the problems stated above. Ok, I'm convinced. The next price question is then how do we do it? I mean writing an IOCTL to wait for a fence to appear is simple, but do we also need to wait for a fence to change? As long as waits don't consume fences that might be rather tricky. Christian. -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20170712/f1c54632/attachment.html>