Hello Laurent-san On 2020/04/05 3:24, Laurent Pinchart wrote: > Hello Esaki-san, > > Thank you for the patch. > > On Wed, Apr 01, 2020 at 03:11:00PM +0900, Tomohito Esaki wrote: >> According to drm_plane_create_zpos_property() function documentation, >> all planes zpos range should be set if zpos property is supported. >> However, the rcar-du driver didn't set primary plane zpos range. Since >> the primary plane's zpos is fixed, set i immutably. >> >> Signed-off-by: Tomohito Esaki <etom@xxxxxxxxxx> >> --- >> drivers/gpu/drm/rcar-du/rcar_du_plane.c | 5 ++++- >> drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 5 ++++- >> 2 files changed, 8 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c >> index c6430027169f..9a499be45c45 100644 >> --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c >> +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c >> @@ -785,8 +785,11 @@ int rcar_du_planes_init(struct rcar_du_group *rgrp) >> >> drm_plane_create_alpha_property(&plane->plane); >> >> - if (type == DRM_PLANE_TYPE_PRIMARY) >> + if (type == DRM_PLANE_TYPE_PRIMARY) { >> + drm_plane_create_zpos_immutable_property(&plane->plane, >> + 0); >> continue; >> + } > > I would prefer an if ... else ... here and below instead of a continue, > to better handle future differences between primary and overlay planes. > Apart from that, > > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > > I've taken the liberty to resend the patch with this change as a v2, > with the dri-devel mailing list in CC, and will include it in my next > pull request. I agree with, thank you for updating patch. > Would you mind CC'ing me for future patches to the R-Car DU driver ? You > can use the scripts/get_maintainer.pl script from the Linux kernel > sources to get a list of maintainers, reviewers and mailing lists for a > patch. There's no need to CC everybody on that list, but it can give you > at least the driver's maintainer and the corresponding mailing list. Sorry, I understood. I would like to add maintainer to CC from next time. >> >> drm_object_attach_property(&plane->plane.base, >> rcdu->props.colorkey, >> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c >> index 5e4faf258c31..382b720edc09 100644 >> --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c >> +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c >> @@ -392,8 +392,11 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np, >> drm_plane_helper_add(&plane->plane, >> &rcar_du_vsp_plane_helper_funcs); >> >> - if (type == DRM_PLANE_TYPE_PRIMARY) >> + if (type == DRM_PLANE_TYPE_PRIMARY) { >> + drm_plane_create_zpos_immutable_property(&plane->plane, >> + 0); >> continue; >> + } >> >> drm_plane_create_alpha_property(&plane->plane); >> drm_plane_create_zpos_property(&plane->plane, 1, 1, > Thanks, Esaki