https://bugs.freedesktop.org/show_bug.cgi?id=106175
--- Comment #67 from tempel.julian@gmail.com --- Just wanted to note that applying [PATCH 1/2] drm/amd/display: Use private obj helpers for dm_atomic_state [PATCH 2/2] drm/amd/display: Remove wait for hw/flip done in atomic check does not solve/workaround the issue, unlike Brandon's patch.