Attached is jernej's patch, slightly modified to work with 5.10.13, sorry for posting it here. The overscan issue can be fixed with this tool, https://projects.nwrk.biz/projects/allwinner-tvout/wiki, this was described in this forum but I don't have the link. The washed out (hardware) issue has also been described here and can be easily fixed with a resistor. There are also DRM properties for dealing with TV offsets and sizing issues but I have not figured out where to put them in the user level device tree, does anyone know? (I tried put them under the tve node but didn't work.) The properties are described here: https://www.kernel.org/doc/html/v4.12/gpu/drm-kms.html?highlight=drm tv#existing-kms-properties
zzzz-tv-cvbs.patch
