Re: [PATCH v2 2/2] arm64: dts: qcom: sa8775p-ride: Enable Display Port

[Soutrik Mukhopadhyay]

On 10/28/2024 3:15 PM, Dmitry Baryshkov wrote:
> On Mon, 28 Oct 2024 at 10:49, Soutrik Mukhopadhyay
> <quic_mukhopad@xxxxxxxxxxx> wrote:
> > On 10/8/2024 5:46 PM, Dmitry Baryshkov wrote:
> > > On Tue, Oct 08, 2024 at 04:55:16PM GMT, Soutrik Mukhopadhyay wrote:
> > > > Enable DPTX0 and DPTX1 along with their corresponding PHYs for
> > > > sa8775p-ride platform.
> > > What is connected to those DP lanes? If they are routed directly to the
> > > DisplayPort connectors, please add corresponding devices (see
> > > dp-connector).
> >
> > We are defining the functionality of gpio101 and gpio102 as "edp0_hot"
> > and "edp1_hot"
> >
> > respectively. This ensures that the hot plug will be directly routed via
> > the display interrupt
> >
> > line "mdss0" to the display port driver and no external dependencies on
> > dp-connector is
> >
> > necessary.
> Please describe the hardware, not the driver necessities.
> If the board has a DP connector, please add the node. E.g. it allows
> one to specify the label and the type used by the connector.
>
> Also could you please fix your email client so that you don't have
> strange/unnecessary line wraps and empty lines?

Addition of DP connector node with the hpd-gpio property does not allow 
hpd to be detected since the gpio

101/102 have the "edp0_hot" as function. If the hpd-gpio property is 
removed from the DP connector node,

the probe of DP connector will fail.


>