Hi, > Gerd, btw I think we mighr want to support a set scanout with no > resource, as it might make Linux atomic modesetting easier in the > future, we'd just scanout black.
Makes sense, and should be easy to implement. > > However, I think it's best to simply limit ab->nr_entries to some sane value > > (I guess it shouldn't be even in the double digits for a single resource, so > > restricting it to 256 or something seems sane to me...) and return an error > > to the guest if that limit is exceeded. > > please be careful about limiting this, limits should be pessimistic, as if the > the GPU allocates one page per iov, so a 1280x1024x32bpp resource will > have 1280 iovs. I've already picked 1024 as 256 looked a bit low to me. Guess we should better go for 16k instead, that is enough even for ultra hd ... cheers, Gerd
