[libcamera-devel] [PATCH v3 1/9] include: drm_fourcc: Add R10 and R12 FourCC

[Kieran Bingham]

Quoting Naushir Patuck (2021-10-27 10:27:55)
> From: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> 
> Add FourCCs for 10- and 12-bit red format with padding to 16 bits. This
> is a temporary addition until the formats gets merged in the upstream
> kernel.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Signed-off-by: Naushir Patuck <naush at raspberrypi.com>

This certainly needs a corresponding patch posted upstream, but given
the names on these types are quite straightforwards, and unlikely to be
changed, I think it's fine to get this in early.

Acked-by: Kieran Bingham <kieran.bingham at ideasonboard.com>

> ---
>  include/linux/drm_fourcc.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/include/linux/drm_fourcc.h b/include/linux/drm_fourcc.h
> index 05d697ff30ce..28ea3a167ecb 100644
> --- a/include/linux/drm_fourcc.h
> +++ b/include/linux/drm_fourcc.h
> @@ -104,6 +104,12 @@ extern "C" {
>  /* 8 bpp Red */
>  #define DRM_FORMAT_R8          fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
>  
> +/* 10 bpp Red */
> +#define DRM_FORMAT_R10         fourcc_code('R', '1', '0', ' ') /* [15:0] x:R 6:10 little endian */
> +
> +/* 12 bpp Red */
> +#define DRM_FORMAT_R12         fourcc_code('R', '1', '2', ' ') /* [15:0] x:R 4:12 little endian */
> +
>  /* 16 bpp Red */
>  #define DRM_FORMAT_R16         fourcc_code('R', '1', '6', ' ') /* [15:0] R little endian */
>  
> -- 
> 2.25.1
>