On Fri, May 11, 2018 at 09:33:23AM -0500, Rob Herring wrote: > The rcar DT overlays are missing symetrical remote-endpoint properties > in their graph nodes because the remote-endpoint is fixed up at > run-time. Disable the dtc 'graph-endpoint' warnings when compiling these > overlays. If this becomes a common problem for overlays, then perhaps > this check needs to be disabled for all overlays. > > Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Cc: David Airlie <airlied@xxxxxxxx> > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > Cc: linux-renesas-soc@xxxxxxxxxxxxxxx > Signed-off-by: Rob Herring <robh@xxxxxxxxxx> Acked-by: Simon Horman <horms+renesas@xxxxxxxxxxxx> > --- > This needs to go thru my tree because it is dependent on the dtc update > that adds the warning (perhaps we're going to need to add option > checking for dtc). > > Rob > > drivers/gpu/drm/rcar-du/Makefile | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/gpu/drm/rcar-du/Makefile b/drivers/gpu/drm/rcar-du/Makefile > index 3e58ed93d5b1..2a3b8d7972b5 100644 > --- a/drivers/gpu/drm/rcar-du/Makefile > +++ b/drivers/gpu/drm/rcar-du/Makefile > @@ -17,3 +17,10 @@ rcar-du-drm-$(CONFIG_DRM_RCAR_VSP) += rcar_du_vsp.o > obj-$(CONFIG_DRM_RCAR_DU) += rcar-du-drm.o > obj-$(CONFIG_DRM_RCAR_DW_HDMI) += rcar_dw_hdmi.o > obj-$(CONFIG_DRM_RCAR_LVDS) += rcar_lvds.o > + > +# 'remote-endpoint' is fixed up at run-time > +DTC_FLAGS_rcar_du_of_lvds_r8a7790 += -Wno-graph_endpoint > +DTC_FLAGS_rcar_du_of_lvds_r8a7791 += -Wno-graph_endpoint > +DTC_FLAGS_rcar_du_of_lvds_r8a7793 += -Wno-graph_endpoint > +DTC_FLAGS_rcar_du_of_lvds_r8a7795 += -Wno-graph_endpoint > +DTC_FLAGS_rcar_du_of_lvds_r8a7796 += -Wno-graph_endpoint > -- > 2.17.0 >