diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index fd532b8cfdb8762486a3264171dc9ddd4ecad258..b3a92951f67117150869731d6d356c728efe262e 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1073,8 +1073,8 @@ intel_get_dram_info(struct drm_i915_private *dev_priv)
 
 static u32 gen9_edram_size_mb(struct drm_i915_private *dev_priv, u32 cap)
 {
-	const unsigned int ways[8] = { 4, 8, 12, 16, 16, 16, 16, 16 };
-	const unsigned int sets[4] = { 1, 1, 2, 2 };
+	static const u8 ways[8] = { 4, 8, 12, 16, 16, 16, 16, 16 };
+	static const u8 sets[4] = { 1, 1, 2, 2 };
 
 	return EDRAM_NUM_BANKS(cap) *
 		ways[EDRAM_WAYS_IDX(cap)] *