Oh，sorry for that. This is what i am write for our downstream 4.19.190 kernel，I write it long time ago. It shouldn’t be included in this patch set. Please ignore that, I will remove it at next version. I am sorry introduce “bug” again. 发自我的iPhone > 在 2022年2月17日，上午2:44，Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> 写道： > > > >> 在 2022/2/16 18:17, Sui Jingfeng 写道: >> 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 lsdc kms driver to know which chip the DC is >> contained in, we add different compatible for different chip. >> >> 2) Add display controller device node for ls2k1000 SoC >> >> Signed-off-by: suijingfeng <suijingfeng@xxxxxxxxxxx> >> Signed-off-by: Sui Jingfeng <15330273260@xxxxxx> >> --- >> .../loongson/loongson,display-controller.yaml | 114 ++++++++++++++++++ >> .../display/loongson/loongson-drm.txt | 16 +++ > ^ Is loongson-drm.txt intentional? > It seems irrelevant.... > > Thanks. >> .../boot/dts/loongson/loongson64-2k1000.dtsi | 8 ++ >> arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 7 +- >> 4 files changed, 140 insertions(+), 5 deletions(-) >> create mode 100644 Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml >> create mode 100644 Documentation/devicetree/bindings/display/loongson/loongson-drm.txt > [...] > - Jiaxun
