[Intel-gfx] [PATCH v7 03/12] drm/i915/perf: introduce a versioning of the i915-perf uapi

[Chris Wilson]

Quoting Lionel Landwerlin (2019-07-09 10:31:59)
> Reporting this version will help application figure out what level of
> the support the running kernel provides.
> 
> v2: Add i915_perf_ioctl_version() (Chris)
> 
> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris