Le mardi 19 mars 2019 à 15:52 +0100, Boris Brezillon a écrit :
> +/**
> + * struct v4l2_plane_ext_pix_format - additional, per-plane format definition
> + * @modifier: modifier applied to the format (used for tiled formats
> + * and other kind of HW-specific formats, like compressed
> + * formats)
I have never seen HW that would allow per-plane modifiers on the DRM
side, and I believe the newer API (enumeration) ignores this per-plane
idea. Would be nice to investigate/verify this and avoid doing the same
mistake.
> + * @sizeimage: maximum size in bytes required for data, for which
> + * this plane will be used
> + * @bytesperline: distance in bytes between the leftmost pixels in two
> + * adjacent lines
> + */
> +struct v4l2_plane_ext_pix_format {
> + __u64 modifier;
> + __u32 sizeimage;
> + __u32 bytesperline;
> +};
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