Re: [PATCH] drm: rcar-du: disable dtc graph-endpoint warnings on DT overlays

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Hi Rob,

Thank you for the patch.

On Friday, 11 May 2018 17:33:23 EEST 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: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
> 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


-- 
Regards,

Laurent Pinchart



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