On 7 September 2018 at 15:11, Jon Hunter <jonathanh@xxxxxxxxxx> wrote:
>
> On 11/07/18 15:43, Arnd Bergmann wrote:
>> Having DRM_SUN4I built-in but DRM_SUN8I_MIXER as a loadable module results in
>> a link error, as we try to access a symbol from the sun8i_tcon_top.ko module:
>>
>> ERROR: "sun8i_tcon_top_of_table" [drivers/gpu/drm/sun4i/sun8i-drm-hdmi.ko] undefined!
>> ERROR: "sun8i_tcon_top_of_table" [drivers/gpu/drm/sun4i/sun4i-drm.ko] undefined!
>>
>> This solves the problem by adding a silent symbol for the tcon_top module,
>> building it as a separate module in exactly the cases that we need it,
>> but in a way that it is reachable by the other modules.
>>
>> Fixes: 57e23de02f48 ("drm/sun4i: DW HDMI: Expand algorithm for possible crtcs")
>> Fixes: ef0cf6441fbb ("drm/sun4i: Add support for traversing graph with TCON TOP")
>> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> I am seeing the following on today's -next (20180907) as well the last
> few -next versions for that matter ...
>
> ERROR: "sun8i_tcon_top_de_config" [drivers/gpu/drm/sun4i/sun4i-tcon.ko] undefined!
> ERROR: "sun8i_tcon_top_set_hdmi_src" [drivers/gpu/drm/sun4i/sun4i-tcon.ko] undefined!
> ERROR: "sun8i_tcon_top_of_table" [drivers/gpu/drm/sun4i/sun4i-tcon.ko] undefined!
>
> Seems like this issue has cropped up again as Arnd's fix is present. I
> am seeing this on ARM64 builds.
I do notice these failures on ARM64 builds on linux next 20180906 and 20180907.
11:40:55 | ERROR: "sun8i_tcon_top_de_config"
[drivers/gpu/drm/sun4i/sun4i-tcon.ko] undefined!
11:40:55 | ERROR: "sun8i_tcon_top_set_hdmi_src"
[drivers/gpu/drm/sun4i/sun4i-tcon.ko] undefined!
11:40:55 | ERROR: "sun8i_tcon_top_of_table"
[drivers/gpu/drm/sun4i/sun4i-tcon.ko] undefined!
Build full log can be found on this link.
https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=rpb,MACHINE=dragonboard-410c,label=docker-stretch-amd64/346/console
- Naresh
>
> Cheers
> Jon
>
> --
> nvpublic
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