vc4 & overscan?

Eric Anholt eric at
Fri Jan 13 22:07:50 PST 2017

Gerd Hoffmann <kraxel at> writes:

>   Hi,
> Is there some way to configure overscan when vc4 and/or simplefb is in
> use?
> With the raspberrypi downstream kernels and the bcm framebuffer driver
> setting overscan in config.txt works fine.  Both simplefb and vc4 ignore
> that though, and I havn't found any other way to setup overscan.  One of
> my rpi's is connected to a TV, and there I actually need overscan ...

There's a bug tracking lack of overscan support
(  It just needs to get
written (you just force scaling on all planes, basically).
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