Re: [PATCH v2] drm/vram-helper: fix kernel-doc warnings

From: Randy Dunlap
Date: Tue Jan 09 2024 - 10:24:47 EST




On 1/9/24 05:42, Daniel Vetter wrote:
> On Tue, 9 Jan 2024 at 13:59, Daniel Vetter <daniel@xxxxxxxx> wrote:
>>
>> On Mon, Jan 08, 2024 at 01:10:12PM -0800, Randy Dunlap wrote:
>>> Hi Thomas,
>>>
>>> On 1/8/24 00:57, Thomas Zimmermann wrote:
>>>> Hi,
>>>>
>>>> thanks for the fix.
>>>>
>>>> Am 06.01.24 um 04:29 schrieb Randy Dunlap:
>>>>> Remove the @funcs entry from struct drm_vram_mm to quieten the kernel-doc
>>>>> warning.
>>>>>
>>>>> Use the "define" kernel-doc keyword and an '\' line continuation
>>>>> to fix another kernel-doc warning.
>>>>>
>>>>> drm_gem_vram_helper.h:129: warning: missing initial short description on line:
>>>>> * DRM_GEM_VRAM_PLANE_HELPER_FUNCS -
>>>>> drm_gem_vram_helper.h:185: warning: Excess struct member 'funcs' description in 'drm_vram_mm'
>>>>>
>>>>> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>>>>> Cc: David Airlie <airlied@xxxxxxxxx>
>>>>> Cc: Daniel Vetter <daniel@xxxxxxxx>
>>>>> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
>>>>> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
>>>>> Cc: Maxime Ripard <mripard@xxxxxxxxxx>
>>>>> Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
>>>>> ---
>>>>> v2: Add commit description
>>>>>
>>>>> base-commit: 610a9b8f49fbcf1100716370d3b5f6f884a2835a
>>>>>
>>>>> include/drm/drm_gem_vram_helper.h | 3 +--
>>>>> 1 file changed, 1 insertion(+), 2 deletions(-)
>>>>>
>>>>> diff -- a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
>>>>> --- a/include/drm/drm_gem_vram_helper.h
>>>>> +++ b/include/drm/drm_gem_vram_helper.h
>>>>> @@ -126,7 +126,7 @@ drm_gem_vram_plane_helper_cleanup_fb(str
>>>>> struct drm_plane_state *old_state);
>>>>> /**
>>>>> - * DRM_GEM_VRAM_PLANE_HELPER_FUNCS -
>>>>> + * define DRM_GEM_VRAM_PLANE_HELPER_FUNCS - \
>>>>
>>>> Did something change wrt. doc syntax? I think this used to work without warnings. About this 'define': we don't use is in another docs. Can we leave it out here or is this the new syntax?
>>>>
>>>
>>> There are no doc syntax changes that I know of. This is not
>>> new syntax. It has been around since 2014:
>>> cbb4d3e6510b ("scripts/kernel-doc: handle object-like macros")
>>
>> I had no idea this exists, thanks a lot for this TIL :-)
>>
>> I guess the issue here is that this exists, yay, but it's not documented
>> with the other here:
>>
>> https://dri.freedesktop.org/docs/drm/doc-guide/kernel-doc.html#structure-union-and-enumeration-documentation
>>
>> I guess a patch to kernel-doc.rst would be great. Adding some kernel-doc
>> folks.
>
> Ok I went ahead and typed that patch (just we don't waste effort),
> just waiting for the sphinx build to finish to make sure it looks nice
> before I send out the patch.
> -Sima

I sent one a few days ago:

https://lore.kernel.org/lkml/20240107012400.32587-1-rdunlap@xxxxxxxxxxxxx/

--
#Randy