diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index 509d56180bb..11d50a1d044 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -1639,6 +1639,13 @@ isl_tiling_to_i915_tiling(enum isl_tiling tiling);
 enum isl_tiling 
 isl_tiling_from_i915_tiling(uint32_t tiling);
 
+static inline bool
+isl_aux_usage_has_ccs(enum isl_aux_usage usage)
+{
+   return usage == ISL_AUX_USAGE_CCS_D ||
+          usage == ISL_AUX_USAGE_CCS_E;
+}
+
 const struct isl_drm_modifier_info * ATTRIBUTE_CONST
 isl_drm_modifier_get_info(uint64_t modifier);