Re: [PATCH v2 04/10] drm/fourcc: Add DRM_FORMAT_Y10_LE32

[Geert Uytterhoeven]

Hi Tomi,

On Wed, Jan 15, 2025 at 10:04 AM Tomi Valkeinen
<tomi.valkeinen@xxxxxxxxxxxxxxxx> wrote:
> Add Y10_LE32, a 10 bit greyscale format, with 3 pixels packed into
> 32-bit container.
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>

Thanks for your patch!

> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -408,6 +408,7 @@ extern "C" {
>  /* Greyscale formats */
>
>  #define DRM_FORMAT_Y8          fourcc_code('G', 'R', 'E', 'Y')  /* 8-bit Y-only */
> +#define DRM_FORMAT_Y10_LE32    fourcc_code('Y', 'P', 'A', '4')  /* [31:0] x:Y2:Y1:Y0 2:10:10:10 little endian */

R10_LE32? Or R10_PA4?

Does LE32 have a meaning?  My first guess just reading the subject
was wrong ("little endian  32-bit" ;-)

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds