[PATCH v2 5/5] drm: omapdrm: Add zpos property

[Laurent Pinchart]

Hi Tomi,

On Monday 24 Apr 2017 12:37:24 Tomi Valkeinen wrote:
> On 15/04/17 12:16, Laurent Pinchart wrote:
> > Create a standard zpos property for every plane as an alias to the
> > omapdrm-specific zorder property. Unlike the zorder property that has to
> > be instantiated for both planes and CRTCs due to backward compatibility,
> > the zpos property is only instantiated for planes. When userspace will
> > have switched to the zpos property the zorder property will be removed.
> > 
> > Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> > ---
> > 
> >  drivers/gpu/drm/omapdrm/omap_plane.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c
> > b/drivers/gpu/drm/omapdrm/omap_plane.c index 521dd2ea519a..871a89b87e72
> > 100644
> > --- a/drivers/gpu/drm/omapdrm/omap_plane.c
> > +++ b/drivers/gpu/drm/omapdrm/omap_plane.c
> > @@ -324,6 +324,7 @@ struct drm_plane *omap_plane_init(struct drm_device
> > *dev,> 
> >  	drm_plane_helper_add(plane, &omap_plane_helper_funcs);
> >  	
> >  	omap_plane_install_properties(plane, &plane->base);
> > 
> > +	drm_plane_create_zpos_property(plane, 0, 0, 3);
> 
> I think this should use get_num_ovls() to get the max value.

That's fine with me, but note that the code currently hardcodes the value to 3 
for the zorder property. I can submit an addition patch on top of this to 
change both if you think it would be better.

-- 
Regards,

Laurent Pinchart