Xe2 platforms are only supported by Xe KMD that do not support CPU WB + 0 way coherent. Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Jianxun Zhang <jianxun.zhang@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29950>