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Message-ID: <cd1fea83-3e0c-32c2-dc9f-61569366e212@linaro.org>
Date:   Fri, 28 Jul 2023 19:55:33 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Vikash Garodia <quic_vgarodia@...cinc.com>,
        stanimir.k.varbanov@...il.com, agross@...nel.org,
        andersson@...nel.org, mchehab@...nel.org, hans.verkuil@...co.com,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Cc:     quic_dikshita@...cinc.com
Subject: Re: [PATCH 16/33] iris: add helpers for media format

On 28.07.2023 15:23, Vikash Garodia wrote:
> From: Dikshita Agarwal <quic_dikshita@...cinc.com>
> 
> Add helpers to calculate stride, scanline, buffer size
> etc. for different media formats.
> 
> Signed-off-by: Dikshita Agarwal <quic_dikshita@...cinc.com>
> Signed-off-by: Vikash Garodia <quic_vgarodia@...cinc.com>
> ---
[...]


> +
> +#ifndef MSM_MEDIA_ALIGN
> +#define MSM_MEDIA_ALIGN(__sz, __align) (((__align) & ((__align) - 1)) ?\
> +	((((__sz) + (__align) - 1) / (__align)) * (__align)) :\
> +	(((__sz) + (__align) - 1) & (~((__align) - 1))))
<linux/align.h>?

> +#endif
> +
> +#ifndef MSM_MEDIA_ROUNDUP
> +#define MSM_MEDIA_ROUNDUP(__sz, __r) (((__sz) + ((__r) - 1)) / (__r))
> +#endif
> +
> +/*
> + * Function arguments:
> + * @v4l2_fmt
> + * @width
> + * Progressive: width
> + * Interlaced: width
> + */
Kerneldoc would be cooler

[...]

> +static inline unsigned int video_rgb_stride_pix(unsigned int colorformat,
> +						unsigned int width)
> +{
> +	unsigned int bpp = 4;
Always?


Konrad

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