1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 295de65b7088..a3ad85e05bd3 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -750,6 +750,21 @@ static inline int drm_core_has_MTRR(struct drm_device *dev)
 {
         return drm_core_check_feature(dev, DRIVER_USE_MTRR);
 }
+
+#define DRM_MTRR_WC             MTRR_TYPE_WRCOMB
+
+static inline int drm_mtrr_add(unsigned long offset, unsigned long size,
+                               unsigned int flags)
+{
+        return mtrr_add(offset, size, flags, 1);
+}
+
+static inline int drm_mtrr_del(int handle, unsigned long offset,
+                               unsigned long size, unsigned int flags)
+{
+        return mtrr_del(handle, offset, size);
+}
+
 #else
 #define drm_core_has_MTRR(dev) (0)
 #endif