GSD-2023-1001524 drm/amd/display: prevent memory leak

drm/amd/display: prevent memory leak This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.137 by commit 60e1b411bf0fd9fda2d2de7f45dc3b1d9960b85...