On Tue, Apr 5, 2016 at 10:19 AM, Daniel Stone <dan...@fooishbar.org> wrote: > >> hmm, I'm assuming that the in/out arrays are handled in >> drm_mode_atomic_ioctl() and the drivers never see 'em.. > > True, but it complicates the (already not hugely straightforward) > parsing that the ioctl has to do. It also makes extending the ioctl a > little harder to do in future, because you're adding in two > variable-size elements, and have to do some fairly complicated parsing > to even figure out what the size _should_ be. So I'd rather not do it > if there was any way out of it; at the very least it'd have to be > userptr rather than array.
oh, I was assuming ptr to a user array (rather than var length ioctl struct) for both in and out fences. I guess my wording didn't make that clear. But yeah, it would be madness to do anything else. BR, -R
