On 05/04/2023 16:24, Jayesh Choudhary wrote: > From: Rahul T R <r-ravikumar@xxxxxx> > > The mhdp bridge can work without its HPD pin hooked up to the connector, > but the current bridge driver throws an error when hpd line is not > connected to the connector. For such cases, we need an indication for > no-hpd, using which we can bypass the hpd detection and instead use the > auxiliary channels connected to the DP connector to confirm the > connection. > So add no-hpd property to the bindings, to disable hpd when not > connected or unusable. Your subject prefixes miss device specific part. You do not add no-hpd to all bridges. It's also not drm. It is a display directory. > > Signed-off-by: Rahul T R <r-ravikumar@xxxxxx> > Signed-off-by: Jayesh Choudhary <j-choudhary@xxxxxx> > --- > .../devicetree/bindings/display/bridge/cdns,mhdp8546.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml > index c2b369456e4e..3a6c6d837593 100644 > --- a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml > +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml > @@ -57,6 +57,12 @@ properties: > interrupts: > maxItems: 1 > > + cdns,no-hpd: No improvements - use existing no-hpd name. Best regards, Krzysztof
