Revert "drm/amd/display: Fix VUpdate offset calculations for dcn401"

Revert "drm/amd/display: Fix VUpdate offset calculations for dcn401"

commit 0fc9635a801f6ba3a03ad2de6d46f4f3e2fdfed6 upstream.

This reverts commit fe45e2af4a22e569b35b7f45eb9f040f6fbef94f.

Reason for revert: it causes stuttering in some usecases.

Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Dillon Varone <Dillon.Varone@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>