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

Chris Wilson chris at chris-wilson.co.uk
Wed May 6 14:59:16 UTC 2020

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?

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