hk_heap is called during command buffer recording, which may be
concurrent, so writing dev->heap without synchronization is a data race.
Signed-off-by: Olivia Lee <olivia.lee@collabora.com>
Fixes: 5bc8284816 ("hk: add Vulkan driver for Apple GPUs")
Reviewed-by: Mary Guillemard <mary.guillemard@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37973>