linux-kernel - Re: [PATCH] drm/amd/display: use ARRAY_SIZE for base60_refresh

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Message-ID: <CADnq5_Ms6Hv=PpSWXEabE1C0oQ=B37Mz1HYfxjn+vF9e8kK9SA@mail.gmail.com>
Date:   Wed, 9 Jun 2021 17:12:18 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     "Wentland, Harry" <harry.wentland@....com>,
        "Leo (Sunpeng) Li" <sunpeng.li@....com>,
        xinhui pan <Xinhui.Pan@....com>,
        LKML <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Dave Airlie <airlied@...ux.ie>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        "Deucher, Alexander" <alexander.deucher@....com>,
        Christian Koenig <christian.koenig@....com>
Subject: Re: [PATCH] drm/amd/display: use ARRAY_SIZE for base60_refresh_rates

Applied.  Thanks!

On Wed, Jun 9, 2021 at 6:09 AM Jiapeng Chong
<jiapeng.chong@...ux.alibaba.com> wrote:
>
> Use ARRAY_SIZE instead of dividing sizeof array with sizeof an
> element.
>
> Clean up the following coccicheck warning:
>
> ./drivers/gpu/drm/amd/display/dc/core/dc_resource.c:448:47-48: WARNING:
> Use ARRAY_SIZE.
>
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---
>  drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> 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 57afe71..3f00989 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> @@ -445,7 +445,7 @@ bool resource_are_vblanks_synchronizable(
>  {
>         uint32_t base60_refresh_rates[] = {10, 20, 5};
>         uint8_t i;
> -       uint8_t rr_count = sizeof(base60_refresh_rates)/sizeof(base60_refresh_rates[0]);
> +       uint8_t rr_count = ARRAY_SIZE(base60_refresh_rates);
>         uint64_t frame_time_diff;
>
>         if (stream1->ctx->dc->config.vblank_alignment_dto_params &&
> --
> 1.8.3.1
>