freedreno/a6xx: fix LRZ hang
In detecting the case where we actually do need to re-emit LRZ state
(due to new batch), we were checking ctx->last.dirty
to detect when
we cannot trust previous state. But this is cleared before we check
it.
Move where it is cleared to the end of the draw_vbo() path.
Fixes: dfa702e9 ("freedreno/a6xx: limit LRZ state emit") Signed-off-by: Rob Clark robdclark@chromium.org