diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index 442c0fc08ed..f0b943fabd9 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -2210,6 +2210,13 @@ isl_aux_usage_has_ccs(enum isl_aux_usage usage)
           usage == ISL_AUX_USAGE_STC_CCS;
 }
 
+static inline bool
+isl_aux_usage_has_ccs_e(enum isl_aux_usage usage)
+{
+   return usage == ISL_AUX_USAGE_CCS_E ||
+          usage == ISL_AUX_USAGE_GFX12_CCS_E;
+}
+
 static inline bool
 isl_aux_state_has_valid_primary(enum isl_aux_state state)
 {
diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c
index 72f433bc093..90cd6403c50 100644
--- a/src/intel/isl/isl_surface_state.c
+++ b/src/intel/isl/isl_surface_state.c
@@ -695,8 +695,7 @@ isl_genX(surf_fill_state_s)(const struct isl_device *dev, void *state,
        *
        * If CCS_E is in use, the format must support it.
        */
-      if (info->aux_usage == ISL_AUX_USAGE_CCS_E ||
-          info->aux_usage == ISL_AUX_USAGE_GFX12_CCS_E)
+      if (isl_aux_usage_has_ccs_e(info->aux_usage))
          assert(isl_format_supports_ccs_e(dev->info, info->view->format));
 
       /* It also says: