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

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Date: Mon, 22 Apr 2024 09:52:11 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Alex Deucher <alexdeucher@...il.com>, Dave Airlie <airlied@...hat.com>
Cc: DRI <dri-devel@...ts.freedesktop.org>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>, Alex Deucher <alexander.deucher@....com>,
 Rodrigo Siqueira <Rodrigo.Siqueira@....com>
Subject: Re: linux-next: build warnings after merge of the amdgpu tree

Hi all,

On Tue, 30 Jan 2024 13:49:54 +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/inc/hw/mpc.h:132: warning: Incorrect use of kernel-doc format:          * @@overlap_only: Whether overlapping of different planes is allowed.
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:132: warning: Incorrect use of kernel-doc format:          * @@overlap_only: Whether overlapping of different planes is allowed.
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:1: warning: no structured comments found
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:132: warning: Incorrect use of kernel-doc format:          * @@overlap_only: Whether overlapping of different planes is allowed.
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:162: warning: Function parameter or struct member 'pre_multiplied_alpha' not described in 'mpcc_blnd_cfg'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:162: warning: Function parameter or struct member 'overlap_only' not described in 'mpcc_blnd_cfg'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'read_mpcc_state' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'mpc_init_single_inst' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'get_mpcc_for_dpp_from_secondary' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'get_mpcc_for_dpp' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'wait_for_idle' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'assert_mpcc_idle_before_connect' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'init_mpcc_list_from_hw' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'set_denorm' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'set_denorm_clamp' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'set_output_csc' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'set_ocsc_default' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'set_output_gamma' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'power_on_mpc_mem_pwr' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'set_dwb_mux' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'disable_dwb_mux' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'is_dwb_idle' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'set_out_rate_control' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'set_gamut_remap' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'program_1dlut' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'program_shaper' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'acquire_rmu' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'program_3dlut' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'release_rmu' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'get_mpc_out_mux' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'set_bg_color' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:548: warning: Function parameter or struct member 'set_mpc_mem_lp_mode' not described in 'mpc_funcs'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:132: warning: Incorrect use of kernel-doc format:          * @@overlap_only: Whether overlapping of different planes is allowed.
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:162: warning: Function parameter or struct member 'pre_multiplied_alpha' not described in 'mpcc_blnd_cfg'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:162: warning: Function parameter or struct member 'overlap_only' not described in 'mpcc_blnd_cfg'
> drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:132: warning: Incorrect use of kernel-doc format:          * @@overlap_only: Whether overlapping of different planes is allowed.
> Documentation/gpu/amdgpu/display/display-manager:134: drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:3: WARNING: Duplicate C declaration, also defined at gpu/amdgpu/display/dcn-blocks:100.
> Documentation/gpu/amdgpu/display/display-manager:146: drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:3: WARNING: Duplicate C declaration, also defined at gpu/amdgpu/display/dcn-blocks:3.
> 
> Introduced by commit
> 
>   b8c1c3a82e75 ("Documentation/gpu: Add kernel doc entry for MPC")

I am still seeing these warnings (as of last Friday) but the above
commit is now in Linus' tree.

-- 
Cheers,
Stephen Rothwell

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