[PATCH 1/2] drm: rcar-du: Add Z-order support for VSP planes
Daniel Vetter
daniel at ffwll.ch
Thu Apr 21 16:10:25 UTC 2016
On Thu, Apr 21, 2016 at 04:14:12AM +0300, Laurent Pinchart wrote:
> Make the Z-order of VSP planes configurable through the zpos property,
> exactly as for the native DU planes.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> ---
> drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 16 ++++++++++++----
> drivers/gpu/drm/rcar-du/rcar_du_vsp.h | 2 ++
> 2 files changed, 14 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> index de7ef041182b..62e9619eaea4 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> @@ -180,8 +180,9 @@ static void rcar_du_vsp_plane_setup(struct rcar_du_vsp_plane *plane)
>
> WARN_ON(!pixelformat);
>
> - vsp1_du_atomic_update(plane->vsp->vsp, plane->index, pixelformat,
> - fb->pitches[0], paddr, &src, &dst);
> + vsp1_du_atomic_update_zpos(plane->vsp->vsp, plane->index, pixelformat,
> + fb->pitches[0], paddr, &src, &dst,
> + state->zpos);
> }
>
> static int rcar_du_vsp_plane_atomic_check(struct drm_plane *plane,
> @@ -220,8 +221,8 @@ static void rcar_du_vsp_plane_atomic_update(struct drm_plane *plane,
> if (plane->state->crtc)
> rcar_du_vsp_plane_setup(rplane);
> else
> - vsp1_du_atomic_update(rplane->vsp->vsp, rplane->index, 0, 0, 0,
> - NULL, NULL);
> + vsp1_du_atomic_update_zpos(rplane->vsp->vsp, rplane->index,
> + 0, 0, 0, NULL, NULL, 0);
> }
>
> static const struct drm_plane_helper_funcs rcar_du_vsp_plane_helper_funcs = {
> @@ -269,6 +270,7 @@ static void rcar_du_vsp_plane_reset(struct drm_plane *plane)
> return;
>
> state->alpha = 255;
> + state->zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : 1;
>
> plane->state = &state->state;
> plane->state->plane = plane;
> @@ -283,6 +285,8 @@ static int rcar_du_vsp_plane_atomic_set_property(struct drm_plane *plane,
>
> if (property == rcdu->props.alpha)
> rstate->alpha = val;
> + else if (property == rcdu->props.zpos)
> + rstate->zpos = val;
> else
> return -EINVAL;
>
> @@ -299,6 +303,8 @@ static int rcar_du_vsp_plane_atomic_get_property(struct drm_plane *plane,
>
> if (property == rcdu->props.alpha)
> *val = rstate->alpha;
> + else if (property == rcdu->props.zpos)
> + *val = rstate->zpos;
> else
> return -EINVAL;
>
> @@ -378,6 +384,8 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp)
>
> drm_object_attach_property(&plane->plane.base,
> rcdu->props.alpha, 255);
> + drm_object_attach_property(&plane->plane.base,
> + rcdu->props.zpos, 1);
> }
>
> return 0;
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.h b/drivers/gpu/drm/rcar-du/rcar_du_vsp.h
> index df3bf3805c69..510dcc9c6816 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.h
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.h
> @@ -44,6 +44,7 @@ static inline struct rcar_du_vsp_plane *to_rcar_vsp_plane(struct drm_plane *p)
> * @state: base DRM plane state
> * @format: information about the pixel format used by the plane
> * @alpha: value of the plane alpha property
> + * @zpos: value of the plane zpos property
> */
> struct rcar_du_vsp_plane_state {
> struct drm_plane_state state;
> @@ -51,6 +52,7 @@ struct rcar_du_vsp_plane_state {
> const struct rcar_du_format_info *format;
>
> unsigned int alpha;
> + unsigned int zpos;
There's lots of effort by various people to create a generic zpos/blending
set of properties. Care to jump onto that effort and making it finally
happen for real? I kinda don't want to have a propliferation of slightly
diffferent zpos/blending props across all the drivers ...
-Daniel
> };
>
> static inline struct rcar_du_vsp_plane_state *
> --
> 2.7.3
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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