[Intel-gfx] [PATCH 4/4] drm/i915/gen12: Invalidate aux table entries forcibly

[Chris Wilson]

Quoting Mika Kuoppala (2020-05-06 15:47:34)
> Aux table invalidation can fail on update. So
> next access may cause memory access to be into stale entry.
> 
> Proposed workaround is to invalidate entries between
> all batchbuffers.

This sounds like it should have a sunset clause. Do we anticipate being
able to drop this w/a in future?
-Chris