Re: ld.lld: error: undefined symbol: drm_gem_fb_get_obj

[Linus Walleij]

On Fri, Aug 26, 2022 at 5:48 PM Doug Anderson <dianders@xxxxxxxxxxxx> wrote:

> Unfortunately, fixing the error isn't the most trivial thing in the
> world. If you just do this:
>
>  config DRM_MIPI_DBI
>         tristate
> +       select DRM_KMS_HELPER
>         depends on DRM
>
> ...then you get a circular dependency:
>
> drivers/gpu/drm/Kconfig:76:error: recursive dependency detected!
> drivers/gpu/drm/Kconfig:76:     symbol DRM_KMS_HELPER is selected by
> DRM_MIPI_DBI
> drivers/gpu/drm/Kconfig:31:     symbol DRM_MIPI_DBI is selected by
> DRM_PANEL_ILITEK_ILI9341
> drivers/gpu/drm/panel/Kconfig:165:      symbol
> DRM_PANEL_ILITEK_ILI9341 depends on DRM_KMS_HELPER
> For a resolution refer to Documentation/kbuild/kconfig-language.rst
> subsection "Kconfig recursive dependency limitations"

It turns out Randy Dunlap had made the right fixes, and I merged them
before you got the chance to reply!

https://cgit.freedesktop.org/drm/drm-misc/commit/?id=84dfc46594b0167e5d3736273b0e0e05365da641
https://cgit.freedesktop.org/drm/drm-misc/commit/?id=eb7de496451bd969e203f02f66585131228ba4ae

But thanks!

Yours,
Linus Walleij