linux-kernel - Re: [PATCH next] drm/amd/display: make non-global functions static

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Message-ID: <2535f4bd-298f-60aa-728b-facfb2baef07@amd.com>
Date:   Thu, 19 Dec 2019 09:17:18 -0500
From:   Harry Wentland <hwentlan@....com>
To:     Chen Zhou <chenzhou10@...wei.com>, harry.wentland@....com,
        sunpeng.li@....com, alexander.deucher@....com
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH next] drm/amd/display: make non-global functions static

On 2019-12-19 6:55 a.m., Chen Zhou wrote:
> Fix sparse warning:
> 
> drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:964:5:
> 	warning: symbol 'shift_border_left_to_dst' was not declared. Should it be static?
> drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:975:6:
> 	warning: symbol 'restore_border_left_from_dst' was not declared. Should it be static?
> 
> Fixes: 89d07b662f5e (drm/amd/display: fix 270 degree rotation for mixed-SLS mode)
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Chen Zhou <chenzhou10@...wei.com>

Reviewed-by: Harry Wentland <harry.wentland@....com>

Harry

> ---
>  drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> index 64a0e08f..5843c16 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> @@ -961,7 +961,7 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx)
>   * We also need to make sure pipe_ctx->plane_res.scl_data.h_active uses the
>   * original h_border_left value in its calculation.
>   */
> -int shift_border_left_to_dst(struct pipe_ctx *pipe_ctx)
> +static int shift_border_left_to_dst(struct pipe_ctx *pipe_ctx)
>  {
>  	int store_h_border_left = pipe_ctx->stream->timing.h_border_left;
>  
> @@ -972,7 +972,7 @@ int shift_border_left_to_dst(struct pipe_ctx *pipe_ctx)
>  	return store_h_border_left;
>  }
>  
> -void restore_border_left_from_dst(struct pipe_ctx *pipe_ctx,
> +static void restore_border_left_from_dst(struct pipe_ctx *pipe_ctx,
>                                    int store_h_border_left)
>  {
>  	pipe_ctx->stream->dst.x -= store_h_border_left;
>