diff --git a/intel/intel_chipset.c b/intel/intel_chipset.c
index d5c33cc5..5aa4a2f2 100644
--- a/intel/intel_chipset.c
+++ b/intel/intel_chipset.c
@@ -44,7 +44,7 @@ static const struct pci_device {
 	INTEL_SKL_IDS(9),
 };
 
-bool intel_is_genx(unsigned int devid, int gen)
+drm_private bool intel_is_genx(unsigned int devid, int gen)
 {
 	const struct pci_device *p,
 		  *pend = pciids + sizeof(pciids) / sizeof(pciids[0]);
@@ -66,7 +66,7 @@ bool intel_is_genx(unsigned int devid, int gen)
 	return false;
 }
 
-bool intel_get_genx(unsigned int devid, int *gen)
+drm_private bool intel_get_genx(unsigned int devid, int *gen)
 {
 	const struct pci_device *p,
 		  *pend = pciids + sizeof(pciids) / sizeof(pciids[0]);
diff --git a/intel/intel_chipset.h b/intel/intel_chipset.h
index 9b1e64f1..5db207cc 100644
--- a/intel/intel_chipset.h
+++ b/intel/intel_chipset.h
@@ -329,9 +329,10 @@
 
 /* New platforms use kernel pci ids */
 #include <stdbool.h>
+#include <libdrm_macros.h>
 
-bool intel_is_genx(unsigned int devid, int gen);
-bool intel_get_genx(unsigned int devid, int *gen);
+drm_private bool intel_is_genx(unsigned int devid, int gen);
+drm_private bool intel_get_genx(unsigned int devid, int *gen);
 
 #define IS_GEN9(devid) intel_is_genx(devid, 9)
 #define IS_GEN10(devid) intel_is_genx(devid, 10)