[Intel-gfx] [RFC 33/33] drm/i915: Eliminate dual personality of i915_scratch_offset

[Chris Wilson]

Quoting Tvrtko Ursulin (2019-06-17 19:12:36)
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Scratch vma lives under gt but the API used to work on i915. Make this
> consistent by renaming the function to intel_gt_scratch_offset and make
> it take struct intel_gt.
> 
> v2:
>  * Move to intel_gt. (Chris)
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris