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SubjectRe: [PATCH v10 1/4] MIPS: Loongson64: dts: update the display controller device node
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On 2022/2/21 18:01, Krzysztof Kozlowski wrote:
> On 21/02/2022 10:19, Sergei Shtylyov wrote:
>> On 2/20/22 5:55 PM, Sui Jingfeng wrote:
>>
>>> From: suijingfeng <suijingfeng@loongson.cn>
>>>
>>> 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@kernel.org>
>>> Signed-off-by: suijingfeng <suijingfeng@loongson.cn>
>>> Signed-off-by: Sui Jingfeng <15330273260@189.cn>
>>> ---
>>> 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?
> lcd-controller, led-controller. As I understood from the bindings, this
> is not physical device displaying something (like a panel) but rather a
> device controlling such panel. Therefore display-controller feels
> appropriate.
>
>
> Best regards,
> Krzysztof
Extremely correct.

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