diff --git a/drivers/gpu/drm/i915/Makefile.header-test b/drivers/gpu/drm/i915/Makefile.header-test
index 0979afe10be5..ff84035018a5 100644
--- a/drivers/gpu/drm/i915/Makefile.header-test
+++ b/drivers/gpu/drm/i915/Makefile.header-test
@@ -24,6 +24,7 @@ header_test := \
 	intel_dp.h \
 	intel_dpll_mgr.h \
 	intel_drv.h \
+	intel_dsi.h \
 	intel_dvo.h \
 	intel_dvo_dev.h \
 	intel_fbc.h \
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a38b9cff5cd0..20f28e43f45f 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1832,11 +1832,6 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector);
 /* intel_dp_mst.c */
 int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_id);
 void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port);
-/* vlv_dsi.c */
-void vlv_dsi_init(struct drm_i915_private *dev_priv);
-
-/* icl_dsi.c */
-void icl_dsi_init(struct drm_i915_private *dev_priv);
 
 /* intel_dsi_dcs_backlight.c */
 int intel_dsi_dcs_init_backlight_funcs(struct intel_connector *intel_connector);
diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h
index 705a609050c0..1d1e6be20217 100644
--- a/drivers/gpu/drm/i915/intel_dsi.h
+++ b/drivers/gpu/drm/i915/intel_dsi.h
@@ -151,6 +151,9 @@ static inline u16 intel_dsi_encoder_ports(struct intel_encoder *encoder)
 	return enc_to_intel_dsi(&encoder->base)->ports;
 }
 
+/* icl_dsi.c */
+void icl_dsi_init(struct drm_i915_private *dev_priv);
+
 /* intel_dsi.c */
 int intel_dsi_bitrate(const struct intel_dsi *intel_dsi);
 int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi);
@@ -166,6 +169,7 @@ enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector,
 struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi,
 					   const struct mipi_dsi_host_ops *funcs,
 					   enum port port);
+void vlv_dsi_init(struct drm_i915_private *dev_priv);
 
 /* vlv_dsi_pll.c */
 int vlv_dsi_pll_compute(struct intel_encoder *encoder,