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-rw-r--r--linux-core/drmP.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 7b344c7a..8044780b 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -763,6 +763,21 @@ 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