The changes to fix those are two invasive for backporting.

Just disable the feature in 4.20 and 5.0.
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NChristian König <christian.koenig@amd.com>
Cc: <stable@vger.kernel.org>    [4.20+]
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>