Re: [PATCH v15 00/29] drm/connector: Create HDMI Connector infrastructure

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On Mon, 03 Jun 2024, Maxime Ripard <mripard@xxxxxxxxxx> wrote:
> Hi Jani,
>
> On Fri, May 31, 2024 at 09:43:16PM GMT, Jani Nikula wrote:
>> On Mon, 27 May 2024, Maxime Ripard <mripard@xxxxxxxxxx> wrote:
>> > Let me know what you think,
>> 
>> Sorry to report that this series generates a bunch of kernel-doc
>> warnings in include/drm/drm_connector.h. Documenting nested struct
>> members doesn't work as smoothly as you'd expect:
>>
>> ../include/drm/drm_connector.h:1138: warning: Excess struct member 'broadcast_rgb' description in 'drm_connector_state'
>> ../include/drm/drm_connector.h:1138: warning: Excess struct member 'infoframes' description in 'drm_connector_state'
>> ../include/drm/drm_connector.h:1138: warning: Excess struct member 'avi' description in 'drm_connector_state'
>> ../include/drm/drm_connector.h:1138: warning: Excess struct member 'hdr_drm' description in 'drm_connector_state'
>> ../include/drm/drm_connector.h:1138: warning: Excess struct member 'spd' description in 'drm_connector_state'
>> ../include/drm/drm_connector.h:1138: warning: Excess struct member 'vendor' description in 'drm_connector_state'
>> ../include/drm/drm_connector.h:1138: warning: Excess struct member 'is_limited_range' description in 'drm_connector_state'
>> ../include/drm/drm_connector.h:1138: warning: Excess struct member 'output_bpc' description in 'drm_connector_state'
>> ../include/drm/drm_connector.h:1138: warning: Excess struct member 'output_format' description in 'drm_connector_state'
>> ../include/drm/drm_connector.h:1138: warning: Excess struct member 'tmds_char_rate' description in 'drm_connector_state'
>> ../include/drm/drm_connector.h:2112: warning: Excess struct member 'vendor' description in 'drm_connector'
>> ../include/drm/drm_connector.h:2112: warning: Excess struct member 'product' description in 'drm_connector'
>> ../include/drm/drm_connector.h:2112: warning: Excess struct member 'supported_formats' description in 'drm_connector'
>> ../include/drm/drm_connector.h:2112: warning: Excess struct member 'infoframes' description in 'drm_connector'
>> ../include/drm/drm_connector.h:2112: warning: Excess struct member 'lock' description in 'drm_connector'
>> ../include/drm/drm_connector.h:2112: warning: Excess struct member 'audio' description in 'drm_connector'
>> 
>> Noticed this when I was rebasing [1]. Having that merged would find
>> issues in headers at build time instead of 'make htmldocs'.
>> 
>> In the mean time, this is the quick reproducer:
>> 
>> $ scripts/kernel-doc -none include/drm/drm_connector.h
>
> Thanks for the report and the reproducer. I have to admit I have no idea
> how to fix it, do you have a suggestion?

Some of them can be fixed by adding the parent struct name, like so:

-                * @broadcast_rgb: Connector property to pass the
+                * @hdmi.broadcast_rgb: Connector property to pass the

but I think even that falls apart at some point. :(

In the end might be easier to separate the struct definitions to reduce
nesting.


BR,
Jani.


-- 
Jani Nikula, Intel



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