[igt-dev] [PATCH i-g-t] lib/i915/gem_mman: Add helper routine to check GTT version

[Summers, Stuart]

On Sun, 2019-11-17 at 14:41 +0000, Chris Wilson wrote:
> Quoting Stuart Summers (2019-11-17 14:39:16)
> > Add a check to gem_pread and gem_pwrite to only allow GTT subtests
> > when the GTT version is at least 1.
> 
> No, it must also run on kernels before ioctl versioning. Why?

Hm.. yeah that makes sense. I'll have to come up with something else :)
Looking for a way to determine whether we can mmap to the GTT. I'll
rethink and repost.

Thanks,
Stuart

> -Chris
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