NV_DEVICE_INFO_UNIT 48 drivers/gpu/drm/nouveau/nvkm/engine/device/user.c switch (mthd & NV_DEVICE_INFO_UNIT) { NV_DEVICE_INFO_UNIT 64 drivers/gpu/drm/nouveau/nvkm/engine/device/user.c if (args->mthd & NV_DEVICE_INFO_UNIT) {