[igt-dev] [RFC v1] Data Port Coherency tests.

[Chris Wilson]

Quoting Tomasz Lis (2018-03-20 15:12:32)
> From: "Lis, Tomasz" <tomasz.lis at intel.com>
> 
> This adds a new test binary, containing tests for the Data Port Coherency
> option. The tests check whether the option is correctly set to proper GPU
> register.

But where's the test that it *does* anything? I.e. what's the expected
change in user visible behaviour? (What does the flag really mean, now
and for years to come?)
-Chris