Linux Kernel DRM/AMD Display OPTC2 CRC Configuration Warning Resolution Vulnerability

A vulnerability related to improper CRC configuration in the AMD display driver of the Linux kernel has been addressed. The issue arose in the DCN314 version, where the OPTC2 configuration function incorrectly applied additional registers not relevant to that version, leading to warning messages during operation. The vulnerability was not critical but could cause unnecessary log warnings.

Impact

The vulnerability could lead to misleading warning messages in the system logs, indicating a potential misconfiguration in the display driver.

Reproduction

The vulnerability can be reproduced by using the 'optc2_configure_crc()' function, which inadvertently applies incorrect registers for the DCN314 version, instead of directly using 'optc1_configure_crc()' as required.