panfrost: Set helper_invocation_enable for Bifrost

Actually, this is for barriers, field name is wrong. But it's the same
as Midgard.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7081>
diff --git a/src/gallium/drivers/panfrost/pan_assemble.c b/src/gallium/drivers/panfrost/pan_assemble.c
index 05b96fb..2154d2e 100644
--- a/src/gallium/drivers/panfrost/pan_assemble.c
+++ b/src/gallium/drivers/panfrost/pan_assemble.c
@@ -82,6 +82,7 @@
                 /* Early-Z set at draw-time */
                 state->properties.unknown = 0x950020; /* XXX */
                 state->properties.uniform_buffer_count = state->ubo_count;
+                state->properties.helper_invocation_enable = state->helper_invocations;
 
                 pan_prepare(&state->preload, PRELOAD);
                 state->preload.uniform_count = state->uniform_count;