1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/core/math.h b/drivers/gpu/drm/nouveau/core/include/core/math.h
new file mode 100644
index 000000000000..f808131c5cd8
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/include/core/math.h
@@ -0,0 +1,16 @@
+#ifndef __NOUVEAU_MATH_H__
+#define __NOUVEAU_MATH_H__
+
+static inline int
+log2i(u64 base)
+{
+	u64 temp = base >> 1;
+	int log2;
+
+	for (log2 = 0; temp; log2++, temp >>= 1) {
+	}
+
+	return (base & (base - 1)) ? log2 + 1: log2;
+}
+
+#endif