In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix NULL pointer dereference at hibernate During hibernate sequence the source context might not have a clk_mgr. So don't use it to look for DML2 support.
https://git.kernel.org/stable/c/b719a9c15d52d4f56bdea8241a5d90fd9197ce99
https://git.kernel.org/stable/c/6b80326efff093d037e0971831dca6ebddba9b45