linux-kernel - Re: [PATCH] drm/amd/display: change several dcn30 variables storage-class-specifier to static

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Message-ID: <CADnq5_MYjVbNA5yJ2mOCgGut6d1kEaNA_U0ZvjEqD=adjn9hPA@mail.gmail.com>
Date:   Mon, 6 Mar 2023 14:43:41 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Tom Rix <trix@...hat.com>
Cc:     harry.wentland@....com, sunpeng.li@....com,
        Rodrigo.Siqueira@....com, alexander.deucher@....com,
        christian.koenig@....com, Xinhui.Pan@....com, airlied@...il.com,
        daniel@...ll.ch, jiapeng.chong@...ux.alibaba.com,
        aurabindo.pillai@....com, dri-devel@...ts.freedesktop.org,
        amd-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/amd/display: change several dcn30 variables
 storage-class-specifier to static

Applied.  Thanks!

Alex

On Sun, Mar 5, 2023 at 7:52 AM Tom Rix <trix@...hat.com> wrote:
>
> smatch reports these similar problems in dcn30
> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dwb.c:223:25:
>   warning: symbol 'dcn30_dwbc_funcs' was not declared. Should it be static?
> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_mmhubbub.c:214:28:
>   warning: symbol 'dcn30_mmhubbub_funcs' was not declared. Should it be static?
> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_mpc.c:1402:24:
>   warning: symbol 'dcn30_mpc_funcs' was not declared. Should it be static?
>
> All of these are only used in their definition file, so they should be static
>
> Signed-off-by: Tom Rix <trix@...hat.com>
> ---
>  drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c      | 2 +-
>  drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mmhubbub.c | 2 +-
>  drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c      | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c
> index f14f69616692..0d98918bf0fc 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dwb.c
> @@ -220,7 +220,7 @@ void dwb3_set_denorm(struct dwbc *dwbc, struct dc_dwb_params *params)
>  }
>
>
> -const struct dwbc_funcs dcn30_dwbc_funcs = {
> +static const struct dwbc_funcs dcn30_dwbc_funcs = {
>         .get_caps               = dwb3_get_caps,
>         .enable                 = dwb3_enable,
>         .disable                = dwb3_disable,
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mmhubbub.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mmhubbub.c
> index 7a93eff183d9..6f2a0d5d963b 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mmhubbub.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mmhubbub.c
> @@ -211,7 +211,7 @@ static void mmhubbub3_config_mcif_arb(struct mcif_wb *mcif_wb,
>         REG_UPDATE(MCIF_WB_ARBITRATION_CONTROL, MCIF_WB_CLIENT_ARBITRATION_SLICE,  params->arbitration_slice);
>  }
>
> -const struct mcif_wb_funcs dcn30_mmhubbub_funcs = {
> +static const struct mcif_wb_funcs dcn30_mmhubbub_funcs = {
>         .warmup_mcif            = mmhubbub3_warmup_mcif,
>         .enable_mcif            = mmhubbub2_enable_mcif,
>         .disable_mcif           = mmhubbub2_disable_mcif,
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c
> index ad1c1b703874..6cf40c1332bc 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_mpc.c
> @@ -1399,7 +1399,7 @@ static void mpc3_set_mpc_mem_lp_mode(struct mpc *mpc)
>         }
>  }
>
> -const struct mpc_funcs dcn30_mpc_funcs = {
> +static const struct mpc_funcs dcn30_mpc_funcs = {
>         .read_mpcc_state = mpc1_read_mpcc_state,
>         .insert_plane = mpc1_insert_plane,
>         .remove_mpcc = mpc1_remove_mpcc,
> --
> 2.27.0
>