Hi Tomi,
On Wed, 26 Mar 2025 at 14:23, Tomi Valkeinen
<tomi.valkei...@ideasonboard.com> wrote:
> Add greyscale Y8 format.
>
> Acked-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
> Signed-off-by: Tomi Valkeinen <tomi.valkei...@ideasonboard.com>
Thanks for your patch!
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -405,6 +405,9 @@ extern "C" {
> #define DRM_FORMAT_YUV444 fourcc_code('Y', 'U', '2', '4') /*
> non-subsampled Cb (1) and Cr (2) planes */
> #define DRM_FORMAT_YVU444 fourcc_code('Y', 'V', '2', '4') /*
> non-subsampled Cr (1) and Cb (2) planes */
>
> +/* Greyscale formats */
> +
> +#define DRM_FORMAT_Y8 fourcc_code('G', 'R', 'E', 'Y') /* 8-bit
> Y-only */
This format differs from e.g. DRM_FORMAT_R8, which encodes
the number of bits in the FOURCC format. What do you envision
for e.g. DRM_FORMAT_Y16? fourcc_code('G', 'R', '1', '6')?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
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
