Comment # 1 on bug 1193947 from Takashi Iwai

The only commit in amdgpu between 5.15.7 and .8 is
f1131d3f1b50f5c45916f021fe8713550c5129e3
    drm/amd/display: Fix DPIA outbox timeout after S3/S4/reset

    commit af6902ec415655236adea91826bd96ed0ab16f42 upstream.

I'll try to build a test kernel with the revert.

Meanwhile, could you confirm that the latest 5.15.x kernel in OBS Kernel:stable
repo still shows the problem?