Revert "drm/amd/display: Pass proper parent for DM backlight device registration"

This reverts commit d24b77e444.

This does not work as expected.

Bug: https://gitlab.gnome.org/GNOME/gnome-settings-daemon/-/issues/730
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2023-03-08 09:29:37 -05:00
commit a9d491d99e