diff --git a/src/gallium/drivers/iris/iris_resource.c b/src/gallium/drivers/iris/iris_resource.c
index df13aef8d02..cfc6ff839a5 100644
--- a/src/gallium/drivers/iris/iris_resource.c
+++ b/src/gallium/drivers/iris/iris_resource.c
@@ -110,6 +110,9 @@ modifier_is_supported(const struct intel_device_info *devinfo,
    /* Check remaining requirements. */
    switch (modifier) {
    case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
+      if (INTEL_DEBUG(DEBUG_NO_RBC))
+         return false;
+
       if (pfmt != PIPE_FORMAT_BGRA8888_UNORM &&
           pfmt != PIPE_FORMAT_RGBA8888_UNORM &&
           pfmt != PIPE_FORMAT_BGRX8888_UNORM &&