CVE-2025-38098 drm/amd/display: Don't treat wb connector as physical in create_validate_stream_for_sink

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Don't treat wb connector as physical in createvalidatestreamforsink Don't try to operate on a drmwbconnector as an amdgpudmconnector. While dereferencing aconnector-base will "work" it's wrong and might lead to...