diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 71e664fc87e9..82d3f8058995 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -1395,6 +1395,30 @@ err_A0:
 	return err;
 }
 
+static struct i915_vma *
+create_result_vma(struct i915_address_space *vm, unsigned long sz)
+{
+	struct i915_vma *vma;
+	void *ptr;
+
+	vma = create_user_vma(vm, sz);
+	if (IS_ERR(vma))
+		return vma;
+
+	/* Set the results to a known value distinct from the poison */
+	ptr = i915_gem_object_pin_map_unlocked(vma->obj, I915_MAP_WC);
+	if (IS_ERR(ptr)) {
+		i915_vma_put(vma);
+		return ERR_CAST(ptr);
+	}
+
+	memset(ptr, POISON_INUSE, vma->size);
+	i915_gem_object_flush_map(vma->obj);
+	i915_gem_object_unpin_map(vma->obj);
+
+	return vma;
+}
+
 static int __lrc_isolation(struct intel_engine_cs *engine, u32 poison)
 {
 	u32 *sema = memset32(engine->status_page.addr + 1000, 0, 1);
@@ -1413,13 +1437,13 @@ static int __lrc_isolation(struct intel_engine_cs *engine, u32 poison)
 		goto err_A;
 	}
 
-	ref[0] = create_user_vma(A->vm, SZ_64K);
+	ref[0] = create_result_vma(A->vm, SZ_64K);
 	if (IS_ERR(ref[0])) {
 		err = PTR_ERR(ref[0]);
 		goto err_B;
 	}
 
-	ref[1] = create_user_vma(A->vm, SZ_64K);
+	ref[1] = create_result_vma(A->vm, SZ_64K);
 	if (IS_ERR(ref[1])) {
 		err = PTR_ERR(ref[1]);
 		goto err_ref0;
@@ -1441,13 +1465,13 @@ static int __lrc_isolation(struct intel_engine_cs *engine, u32 poison)
 	}
 	i915_request_put(rq);
 
-	result[0] = create_user_vma(A->vm, SZ_64K);
+	result[0] = create_result_vma(A->vm, SZ_64K);
 	if (IS_ERR(result[0])) {
 		err = PTR_ERR(result[0]);
 		goto err_ref1;
 	}
 
-	result[1] = create_user_vma(A->vm, SZ_64K);
+	result[1] = create_result_vma(A->vm, SZ_64K);
 	if (IS_ERR(result[1])) {
 		err = PTR_ERR(result[1]);
 		goto err_result0;