Quoting Mika Kuoppala (2020-04-14 13:20:00)
> Hardware needs cacheline count for indirect context size.
> Count of zero means that the feature is disabled.
> If we only divide size with cacheline bytes, we get
> one cacheline short of execution.

I thought we only emitted cacheline chunks by design?

I see us checking for
GEM_DEBUG_WARN_ON(!IS_ALIGNED(wa_bb[i]->offset, CACHELINE_BYTES)))
so what's the reason? I expect that's in the next patch.
-Chris
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