Description: drm/amd/display: Fix late derefrence 'dsc' check in 'link_set_dsc_pps_packet()'
References:
Notes:
 carnil> First introducing commit could not be determined.
Bugs:
upstream: released (6.8-rc1) [3bb9b1f958c3d986ed90a3ff009f1e77e9553207]
6.7-upstream-stable: released (6.7.3) [cf656fc7276e5b3709a81bc9d9639459be2b2647]
6.6-upstream-stable: released (6.6.15) [6aa5ede6665122f4c8abce3c6eba06b49e54d25c]
6.1-upstream-stable: needed
5.10-upstream-stable: needed
4.19-upstream-stable: needed
sid: released (6.6.15-1)
6.1-bookworm-security: needed
5.10-bullseye-security: needed
4.19-buster-security: needed