diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 6ca61b573e6a1..1fd7409a97bc7 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -864,6 +864,11 @@ struct kfd_process {
 	/* We want to receive a notification when the mm_struct is destroyed */
 	struct mmu_notifier mmu_notifier;
 
+#if defined(DRM_VER) && defined(DRM_PATCH) && DRM_VER == 5 && DRM_PATCH == 6 \
+	&& LINUX_VERSION_CODE == KERNEL_VERSION(4, 18, 0)
+	/* mmu_notifier_put in the RH DRM backport from 5.6 is broken */
+#	undef HAVE_MMU_NOTIFIER_PUT
+#endif
 #ifndef HAVE_MMU_NOTIFIER_PUT
 	/* Use for delayed freeing of kfd_process structure */
 	struct rcu_head	rcu;