In the Linux kernel, the following vulnerability has been resolved:EOL][EOL]drm/amd/display: clear optc underflow before turn off odm clock[EOL][EOL][Why][EOL]After ODM clock off, optc underflow bit will be kept there always and clear not work.[EOL]We need to clear that before clock off.[EOL][EOL][How][EOL]Clear that if have when clock off. CREATE(Triage):(User=lchen-cn) [CVE-2022-49969 (https://nvd.nist.gov/vuln/detail/CVE-2022-49969)