linux-kernel - Re: [PATCH -next] drm/amd/display: use swap() in sort()

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Message-ID: <CADnq5_M=Vy7g2zFCpbUEY_Gb3S7zKvfPCUxqtyT-_7ZTXatu=Q@mail.gmail.com>
Date: Wed, 24 Jul 2024 12:55:28 -0400
From: Alex Deucher <alexdeucher@...il.com>
To: Jiapeng Chong <jiapeng.chong@...ux.alibaba.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, amd-gfx@...ts.freedesktop.org, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH -next] drm/amd/display: use swap() in sort()

Applied.  Thanks!

Alex

On Wed, Jul 24, 2024 at 3:38 AM Jiapeng Chong
<jiapeng.chong@...ux.alibaba.com> wrote:
>
> Use existing swap() function rather than duplicating its implementation.
>
> ./drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn3.c:17:29-30: WARNING opportunity for swap().
>
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9573
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---
>  .../display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn3.c    | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn3.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn3.c
> index 717536d7bb30..8e68a8094658 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn3.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_dcn3.c
> @@ -7,16 +7,12 @@
>
>  static void sort(double *list_a, int list_a_size)
>  {
> -       double temp;
>         // For all elements b[i] in list_b[]
>         for (int i = 0; i < list_a_size - 1; i++) {
>                 // Find the first element of list_a that's larger than b[i]
>                 for (int j = i; j < list_a_size - 1; j++) {
> -                       if (list_a[j] > list_a[j + 1]) {
> -                               temp = list_a[j];
> -                               list_a[j] = list_a[j + 1];
> -                               list_a[j + 1] = temp;
> -                       }
> +                       if (list_a[j] > list_a[j + 1])
> +                               swap(list_a[j], list_a[j + 1]);
>                 }
>         }
>  }
> --
> 2.32.0.3.g01195cf9f
>