linux-kernel - Re: [PATCH] gpu: ipu-v3: use swap()

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Date:   Tue, 13 Jul 2021 10:44:41 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Salah Triki <salah.triki@...il.com>
Cc:     Philipp Zabel <p.zabel@...gutronix.de>, alexdeucher@...il.com,
        linux-kernel <linux-kernel@...r.kernel.org>,
        DRI mailing list <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH] gpu: ipu-v3: use swap()

Hi Salah,

On Tue, Jul 13, 2021 at 10:33 AM Salah Triki <salah.triki@...il.com> wrote:
>
> Use swap() instead of implementing it since it makes code more clean.

s/more clean/cleaner

> Signed-off-by: Salah Triki <salah.triki@...il.com>
> ---
>  drivers/gpu/ipu-v3/ipu-image-convert.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/ipu-v3/ipu-image-convert.c b/drivers/gpu/ipu-v3/ipu-image-convert.c
> index aa1d4b6d278f..5f730cd6009d 100644
> --- a/drivers/gpu/ipu-v3/ipu-image-convert.c
> +++ b/drivers/gpu/ipu-v3/ipu-image-convert.c
> @@ -1021,11 +1021,8 @@ static int calc_tile_offsets_planar(struct ipu_image_convert_ctx *ctx,
>
>                         u_off = y_size - y_off + uv_off;
>                         v_off = (fmt->uv_packed) ? 0 : u_off + uv_size;
> -                       if (fmt->uv_swapped) {
> -                               tmp = u_off;
> -                               u_off = v_off;
> -                               v_off = tmp;

The 'tmp' variable seems to be unused now, so its declaration should be removed.

Thanks