[Intel-gfx] [PATCH v2 1/7] drm/i915/gen8: Add infrastructure to initialize WA batch buffers

[Daniel, Thomas]

> 
> Indeed, allocating an extra scratch page in the context would simplify
> vma/mm management. A trick might be to allocate the scratch page at the
> start, then offset the lrc regs etc - that would then be consistent
> amongst gen and be easy enough to extend if we need more per-context
> scratch space in future.
> -Chris

Yes, I think we already have another use for more per-context space at the start.  The GuC is planning to do this.  Arun, you probably should work with Alex Dai and Dave Gordon to avoid conflicts here.

Thomas.