On Mon, Nov 30, 2020 at 7:28 AM Kevin Tang <kevin3.tang@xxxxxxxxx> wrote: > > From: Kevin Tang <kevin.tang@xxxxxxxxxx> Once again, DT patches must Cc the DT list if you want them reviewed. > > The Unisoc DRM master device is a virtual device needed to list all > DPU devices or other display interface nodes that comprise the > graphics subsystem > > Cc: Orson Zhai <orsonzhai@xxxxxxxxx> > Cc: Chunyan Zhang <zhang.lyra@xxxxxxxxx> > Signed-off-by: Kevin Tang <kevin.tang@xxxxxxxxxx> > --- > .../display/sprd/sprd,display-subsystem.yaml | 39 ++++++++++++++++++++++ > 1 file changed, 39 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml > > diff --git a/Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml b/Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml > new file mode 100644 > index 0000000..9487a39 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/sprd/sprd,display-subsystem.yaml > @@ -0,0 +1,39 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/sprd/sprd,display-subsystem.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Unisoc DRM master device > + > +maintainers: > + - Kevin Tang <kevin.tang@xxxxxxxxxx> > + > +description: | > + The Unisoc DRM master device is a virtual device needed to list all > + DPU devices or other display interface nodes that comprise the > + graphics subsystem. > + > +properties: > + compatible: > + const: sprd,display-subsystem As I said before, we try to avoid these virtual nodes. Make the DRM driver bind to the DPU node. The case where this might be needed is if you have h/w that's a mixture of shared and discrete blocks. I don't see anything here matching that. Rob _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
