Re: [PATCH v6 1/2] dt-bindings: display: bridge: cdns,mhdp8546: Add no-hpd property to the cadence bridge
Krzysztof Kozlowski <[email protected]> Mon, 3 Aug 2026 08:43:12 +0200
| Newsgroups | org.freedesktop.lists.dri-devel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <20260803-obedient-truthful-centipede-4e5f1c@quoll> |
On Sun, Aug 02, 2026 at 09:08:24PM +0530, Yashas D wrote: > From: Rahul T R <[email protected]> > > 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 cannot be used for hotplug detection. > > Signed-off-by: Rahul T R <[email protected]> > Signed-off-by: Jayesh Choudhary <[email protected]> > Signed-off-by: Yashas D <[email protected]> Acked-by: Krzysztof Kozlowski <[email protected]> Best regards, Krzysztof