[PATCH libdrm 3/3] modetest: Add support for DRM_FORMAT_NV{24, 42}

[Laurent Pinchart]

Hi Geert,

Thank you for the patch.

On Wed, Jul 05, 2023 at 05:26:17PM +0200, Geert Uytterhoeven wrote:
> Add support for creating buffers using semi-planar YUV formats with
> non-subsampled chroma planes.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>

> ---
>  tests/modetest/buffers.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/tests/modetest/buffers.c b/tests/modetest/buffers.c
> index 0b55aeddfef9a854..0605b12552bb8eec 100644
> --- a/tests/modetest/buffers.c
> +++ b/tests/modetest/buffers.c
> @@ -129,6 +129,8 @@ bo_create(int fd, unsigned int format,
>  	case DRM_FORMAT_NV21:
>  	case DRM_FORMAT_NV16:
>  	case DRM_FORMAT_NV61:
> +	case DRM_FORMAT_NV24:
> +	case DRM_FORMAT_NV42:
>  	case DRM_FORMAT_YUV420:
>  	case DRM_FORMAT_YVU420:
>  		bpp = 8;
> @@ -208,6 +210,11 @@ bo_create(int fd, unsigned int format,
>  		virtual_height = height * 2;
>  		break;
>  
> +	case DRM_FORMAT_NV24:
> +	case DRM_FORMAT_NV42:
> +		virtual_height = height * 3;
> +		break;
> +
>  	default:
>  		virtual_height = height;
>  		break;
> @@ -255,6 +262,19 @@ bo_create(int fd, unsigned int format,
>  		planes[1] = virtual + offsets[1];
>  		break;
>  
> +	case DRM_FORMAT_NV24:
> +	case DRM_FORMAT_NV42:
> +		offsets[0] = 0;
> +		handles[0] = bo->handle;
> +		pitches[0] = bo->pitch;
> +		pitches[1] = pitches[0] * 2;
> +		offsets[1] = pitches[0] * height;
> +		handles[1] = bo->handle;
> +
> +		planes[0] = virtual;
> +		planes[1] = virtual + offsets[1];
> +		break;
> +
>  	case DRM_FORMAT_YUV420:
>  	case DRM_FORMAT_YVU420:
>  		offsets[0] = 0;

-- 
Regards,

Laurent Pinchart