panfrost: Document tile size heuristic
authorAlyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Thu, 13 Jun 2019 18:25:18 +0000 (11:25 -0700)
committerAlyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Mon, 17 Jun 2019 14:47:49 +0000 (07:47 -0700)
commit21eb411d2f21707d44271eb53e0f29d9ff094448
treea587bf0daf2226d624aec6ad6505411ba6d4ac7c
parent7f26bb3553fcdb896c3fb65d21ef7ec1f2325930
panfrost: Document tile size heuristic

I'm not sure how the blob does it, but this seems to be a dead simple
test and roughly corresponds to what I've noticed from the blob, so
maybe it's good enough.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
src/gallium/drivers/panfrost/pan_tiler.c