On Tue, Apr 06, 2021 at 04:21:17PM -0300, Leandro Ribeiro wrote:
> Add a small description and document struct fields of
> drm_mode_get_plane.
>
> Signed-off-by: Leandro Ribeiro <leandro.ribeiro@xxxxxxxxxxxxx>
> ---
> include/uapi/drm/drm_mode.h | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> index d1a93d2a85f9..96fc9a6da608 100644
> --- a/include/uapi/drm/drm_mode.h
> +++ b/include/uapi/drm/drm_mode.h
> @@ -312,16 +312,35 @@ struct drm_mode_set_plane {
> __u32 src_w;
> };
>
> +/**
> + * struct drm_mode_get_plane - Get plane metadata.
> + *
> + * Userspace can perform a GETPLANE ioctl to retrieve information about a
> + * plane.
> + */
> struct drm_mode_get_plane {
> + /** @plane_id: Object ID of the plane. */
> __u32 plane_id;
>
> + /** @crtc_id: Object ID of the current CRTC. */
> __u32 crtc_id;
> + /** @fb_id: Object ID of the current fb. */
> __u32 fb_id;
>
> + /**
> + * @possible_crtcs: Pointer to ``__u32`` array of CRTC's that are
> + * compatible with the plane.
> + */
It's a bitmask.
> __u32 possible_crtcs;
> + /** @gamma_size: Size of the legacy gamma table. */
> __u32 gamma_size;
>
> + /** @count_format_types: Number of formats. */
> __u32 count_format_types;
> + /**
> + * @format_type_ptr: Pointer to ``__u32`` array of formats that are
> + * supported by the plane. These formats do not require modifiers.
> + */
> __u64 format_type_ptr;
> };
>
> --
> 2.31.1
>
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> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Ville Syrjälä
Intel
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