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

[Chris Wilson]

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?
-Chris