radeonsi/gfx9: don't ever flush the TC metadata cache
authorMarek Olšák <marek.olsak@amd.com>
Tue, 20 Jun 2017 16:26:12 +0000 (18:26 +0200)
committerMarek Olšák <marek.olsak@amd.com>
Thu, 22 Jun 2017 11:15:27 +0000 (13:15 +0200)
The closed Vulkan driver doesn't do it either.

Also remove some old comments that aren't useful.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

No differences found