Comment # 17 on bug 1193640 from Felix Miata

https://gitlab.freedesktop.org/drm/intel/-/issues/4762 has been closed fixed:

[quote]
Fixed with

commit 15512021eb3975a8c2366e3883337e252bb0eee5
Author: Ville Syrj���l��� <ville.syrjala at linux.intel.com>
Date:   Fri Feb 4 16:18:18 2022 +0200

    drm/i915: Workaround broken BIOS DBUF configuration on TGL/RKL
[/quote]