diff -up mesa-21.1.1/src/gallium/frontends/lavapipe/lvp_device.c.dma mesa-21.1.1/src/gallium/frontends/lavapipe/lvp_device.c

--- mesa-21.1.1/src/gallium/frontends/lavapipe/lvp_device.c.dma	2021-05-20 13:08:02.207217380 +1000

+++ mesa-21.1.1/src/gallium/frontends/lavapipe/lvp_device.c	2021-05-20 13:08:35.868127094 +1000

@@ -224,6 +224,9 @@ VKAPI_ATTR VkResult VKAPI_CALL lvp_Creat

    if (pAllocator == NULL)

       pAllocator = &default_alloc;

+   if (!getenv("RH_SW_VULKAN"))

+      return VK_ERROR_INITIALIZATION_FAILED;

+

    instance = vk_zalloc(pAllocator, sizeof(*instance), 8,

                         VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);

    if (!instance)