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

Dikshita Agarwal
2023-08-14T19:19:55Z

On 7/28/2023 11:25 PM, Konrad Dybcio wrote:
> 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>?
>
sure, will replace with standard ALIGN macro
>> +#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
>
Sure, will take care of this in next version.
> [...]
>
>> +static inline unsigned int video_rgb_stride_pix(unsigned int colorformat,
>> + unsigned int width)
>> +{
>> + unsigned int bpp = 4;
> Always?
Will check more on this if all supported RGB formats have bpp as 4.

Thanks,
Dikshita
>
>
> Konrad