Re: [PATCH v5 04/11] drm/fourcc: Add DRM_FORMAT_Y10_P32

["Sagar, Vishal" <vishal.sagar@amd.com>]

Hi Tomi,

On 4/25/2025 1:01 PM, Tomi Valkeinen wrote:
> Add Y10_P32, a 10 bit greyscale format, with 3 pixels packed into
> 32-bit container.
> 
> The fourcc for the format is 'YPA4', which comes from Y - Y only, P -
> packed, A - 10 (as in 0xA), 4 - 4 bytes.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
> ---
>   drivers/gpu/drm/drm_fourcc.c  | 3 +++
>   include/uapi/drm/drm_fourcc.h | 1 +
>   2 files changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
> index 355aaf7b5e9e..e5f04f7ec164 100644
> --- a/drivers/gpu/drm/drm_fourcc.c
> +++ b/drivers/gpu/drm/drm_fourcc.c
> @@ -353,6 +353,9 @@ const struct drm_format_info *__drm_format_info(u32 format)
>   		{ .format = DRM_FORMAT_XV20,		.depth = 0,  .num_planes = 2,
>   		  .char_per_block = { 4, 8, 0 }, .block_w = { 3, 3, 0 }, .block_h = { 1, 1, 0 },
>   		  .hsub = 2, .vsub = 1, .is_yuv = true },
> +		{ .format = DRM_FORMAT_Y10_P32,		.depth = 0,  .num_planes = 1,
> +		  .char_per_block = { 4, 0, 0 }, .block_w = { 3, 0, 0 }, .block_h = { 1, 0, 0 },
> +		  .hsub = 1, .vsub = 1, .is_yuv = true },
>   	};
>   
>   	unsigned int i;
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 5af64a683dd7..fceb7a2dfeb4 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -415,6 +415,7 @@ extern "C" {
>    */
>   
>   #define DRM_FORMAT_Y8		fourcc_code('G', 'R', 'E', 'Y')  /* 8-bit Y-only */
> +#define DRM_FORMAT_Y10_P32	fourcc_code('Y', 'P', 'A', '4')  /* [31:0] x:Y2:Y1:Y0 2:10:10:10 little endian */
>   
>   /*
>    * Format Modifiers:
> 

Thanks for the patch. This looks good to me.

Reviewed-by: Vishal Sagar <vishal.sagar@amd.com>

Regards
Vishal Sagar