linux-kernel - Re: linux-next: build warnings after merge of the amdgpu tree

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Date:   Tue, 11 Jul 2023 19:26:33 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Alex Deucher <alexdeucher@...il.com>,
        Dave Airlie <airlied@...hat.com>
Cc:     Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        DRI <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warnings after merge of the amdgpu tree



On 7/11/23 16:15, Stephen Rothwell wrote:
> Hi all,
> 
> On Fri, 18 Nov 2022 17:55:45 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>>
>> After merging the amdgpu tree, today's linux-next build (htmldocs)
>> produced these warnings:
>>
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'dispclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'actual_dispclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'dppclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'actual_dppclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'disp_dpp_voltage_level_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'dcfclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'socclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'dcfclk_deep_sleep_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'fclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'phyclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'dramclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'p_state_change_support' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'zstate_support' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'dtbclk_en' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'ref_dtbclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'fclk_p_state_change_support' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'pwr_state' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'prev_p_state_change_support' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'fclk_prev_p_state_change_support' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'num_ways' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'fw_based_mclk_switching' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'fw_based_mclk_switching_shut_down' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'prev_num_ways' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'dtm_level' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'max_supported_dppclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'max_supported_dispclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'bw_dppclk_khz' not described in 'dc_clocks'
>> drivers/gpu/drm/amd/display/dc/dc.h:548: warning: Function parameter or member 'bw_dispclk_khz' not described in 'dc_clocks'
>>
>> Introduced by commit
>>
>>   1682bd1a6b5f ("drm/amd/display: Expand kernel doc for DC")
>>
>> (now also in the drm tree) but revealed by commit
>>
>>   ef8d147fd442 ("drm/amd/display: fix kernel-doc issues in dc.h")
> 
> I am still getting these warnings (presumably now from Linus' tree).
> The line number has changed to 558.

This patch:
https://lore.kernel.org/lkml/20230712022339.17902-1-rdunlap@infradead.org/T/#u

removes all 175 kernel-doc warnings from dc.h.

-- 
~Randy