vc_dispmanx_set_wl_buffer_in_use: Undefined symbol loading module.

Tomeu Vizoso tomeu at
Mon Oct 28 08:03:45 CET 2013

On 27 October 2013 18:46, Paul <paul.winwood at> wrote:
> Hi,
> I have been trying to build the latest Weston on my Raspberry Pi.
> In a recent patch there is a call to a new function
> 'vc_dispmanx_set_wl_buffer_in_use'.
> This is declared as a stub in 'rpi-bcm-stubs.h'.
> I have updated my Raspberry Pi to the latest Kernel and Userland stuff but I
> cannot find this function in a header file and it does not seem to be
> exported by the VC libs.
> Is the intention for the Raspberry Pi foundation / Broadcom to implement
> this function in dispmanx or is this an oversight?


Broadcom hasn't merged this yet, there's this pull request you can follow:

If you try that branch out, it would be great if you could give
feedback on the pull request to help the maintainers to make their
mind up.



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