panfrost: Don't zero staging buffer for tiling
authorAlyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Tue, 19 May 2020 21:39:09 +0000 (17:39 -0400)
committerAlyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Thu, 21 May 2020 18:43:32 +0000 (14:43 -0400)
commit48cc608859cceb523da1a5e74c0e4aad91f3984c
treec33718f601555df224ba4d393436e0f0a66c26f3
parent9f2997dad061ee38e06f654f524dffbffc5b2a4b
panfrost: Don't zero staging buffer for tiling

It's a little less safe but the memset does take time during
initialization. v3d doesn't either, so I think  it's ok.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5124>
src/gallium/drivers/panfrost/pan_resource.c