diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c
index 01b9b7591c5d..896874278852 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -1016,6 +1016,8 @@ static void cnl_whitelist_build(struct whitelist *w)
 
 static void icl_whitelist_build(struct whitelist *w)
 {
+	/* WaAllowUMDToModifyHalfSliceChicken7:icl */
+	whitelist_reg(w, GEN9_HALF_SLICE_CHICKEN7);
 }
 
 static struct whitelist *whitelist_build(struct intel_engine_cs *engine,