Chris Wilson <> writes:

> Splitting intel_miptree_map() like so should help with the yuck factor.
> Though don't we also need to treat the stencil_mt to a similar treatment
> to avoid slow reads?

I didn't do that because stencil_mt is W tiled and our tiling functions
don't handle that. At the moment the best you can do is cross your
fingers and hope for a wb map. I guess we'll need to add W to the tiling
functions to really fix that slow part.
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