Re: [PATCH 16/33] iris: add helpers for media format

Konrad Dybcio
2023-07-28T17:55:48Z

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