On 2/20/22 5:55 PM, Sui Jingfeng wrote: > From: suijingfeng <suijingfeng@xxxxxxxxxxx> > > The display controller is a pci device, its PCI vendor id is 0x0014 > its PCI device id is 0x7a06. > > 1) In order to let the driver to know which chip the DC is contained > in, the compatible string of the display controller is updated > according to the chip's name. > > 2) Add display controller device node for ls2k1000 SoC > > Reported-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > Signed-off-by: suijingfeng <suijingfeng@xxxxxxxxxxx> > Signed-off-by: Sui Jingfeng <15330273260@xxxxxx> > --- > arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi | 8 ++++++++ > arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 7 ++----- > 2 files changed, 10 insertions(+), 5 deletions(-) > > diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi > index 768cf2abcea3..af9cda540f9e 100644 > --- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi > +++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi > @@ -209,6 +209,14 @@ gpu@5,0 { > interrupt-parent = <&liointc0>; > }; > > + lsdc: display-controller@6,0 { Shouldn't the node name just be "display", according to the section 2.2.2 of the DT spec? [...] > diff --git a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi > index 2f45fce2cdc4..ec35ea9b2fe8 100644 > --- a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi > +++ b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi > @@ -160,11 +160,8 @@ gpu@6,0 { > interrupt-parent = <&pic>; > }; > > - dc@6,1 { > - compatible = "pci0014,7a06.0", > - "pci0014,7a06", > - "pciclass030000", > - "pciclass0300"; > + lsdc: display-controller@6,1 { Same here... [...] MBR, Sergey