[PATCH v2 2/3] arm64: dts: qcom: lemans: add mdss1 display device nodes

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Wed Dec 10 00:21:37 PST 2025


On Mon, Dec 01, 2025 at 02:35:44PM +0100, Konrad Dybcio wrote:
> On 11/25/25 11:56 AM, Mani Chandana Ballary Kuntumalla wrote:
> > Add devicetree changes to enable second Mobile Display Subsystem (mdss1),
> > Display Processing Unit(DPU), Display Port(DP) controllers and eDP PHYs
> > on the Qualcomm Lemans platform.
> > 
> > Signed-off-by: Mahadevan P <mahadevan.p at oss.qualcomm.com>
> > Signed-off-by: Mani Chandana Ballary Kuntumalla <quic_mkuntuma at quicinc.com>
> > ---
> 
> [...]
> 
> > +			mdss1_dp1: displayport-controller at 2215c000 {
> > +				compatible = "qcom,sa8775p-dp";
> > +
> > +				reg = <0x0 0x2215c000 0x0 0x104>,
> > +				      <0x0 0x2215c200 0x0 0x0c0>,
> > +				      <0x0 0x2215d000 0x0 0x770>,
> > +				      <0x0 0x2215e000 0x0 0x09c>,
> > +				      <0x0 0x2215f000 0x0 0x09c>,
> > +				      <0x0 0x22160000 0x0 0x09c>,
> > +				      <0x0 0x22161000 0x0 0x09c>,
> > +				      <0x0 0x22162000 0x0 0x23c>,
> > +				      <0x0 0x22163000 0x0 0x23c>;
> 
> The last two regions still happen not to exist

According to the memory map I observe, they do exist.

> https://lore.kernel.org/all/vc2hen5r7xdaj4nepkoy7pk2jmj4y4hgog5o2nfndrff4yti2m@g46svhsdyy7m/

-- 
With best wishes
Dmitry



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