diff --git a/Makefile b/Makefile
index e28ef833..63358368 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,15 @@
 # SPDX-License-Identifier: GPL-2.0-only
-ccflags-y := -Wno-unused-function
-obj-y := disp.o
+
+# auto-detect subdirs
+ifeq ($(CONFIG_ARCH_KONA), y)
+include $(srctree)/techpack/display/config/konadisp.conf
+export
+endif
+
+ifeq ($(CONFIG_ARCH_KONA), y)
+LINUXINCLUDE    += -include $(srctree)/techpack/display/config/konadispconf.h
+endif
+
+obj-y += msm/
+obj-y += rotator/
+obj-y += pll/
diff --git a/disp.c b/disp.c
deleted file mode 100644
index d34a125a..00000000
--- a/disp.c
+++ /dev/null
@@ -1,5 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-
-static void _disp_techpack_stub(void)
-{
-}