freedreno/a6xx: document LRZ flag buffer
authorRob Clark <robdclark@chromium.org>
Wed, 27 May 2020 20:50:05 +0000 (13:50 -0700)
committerMarge Bot <eric+marge@anholt.net>
Fri, 29 May 2020 00:38:28 +0000 (00:38 +0000)
commit6f391262003e2d58395dd17d2cf1e1a6807f7a0a
tree63dd56418d0a6a6db466b2668aa48658a1cc4823
parenta3947f9d247619043ac9a2c17f746d2fbfb0e5ac
freedreno/a6xx: document LRZ flag buffer

Doesn't seem to be a big win, although I could still be missing
something in my implementation.  But might as well add the
documentation.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5217>
src/freedreno/registers/a6xx.xml
src/gallium/drivers/freedreno/a6xx/fd6_gmem.c