Re: [PATCH 2/2] arm64: dts: qcom: x1e80100-yoga: add wifi calibration variant

From: Konrad Dybcio
Date: Mon Jul 15 2024 - 19:00:49 EST


On 16.07.2024 12:01 AM, Patrick Wildt wrote:
> Am Tue, Jul 16, 2024 at 12:51:53AM +0300 schrieb Dmitry Baryshkov:
>> On Mon, Jul 15, 2024 at 09:40:41PM GMT, Patrick Wildt wrote:
>>> Describe the bus topology for PCIe domain 4 and add the ath12k
>>> calibration variant so that the board file (calibration data) can be
>>> loaded.
>>>
>>> Signed-off-by: Patrick Wildt <patrick@xxxxxxxxx>
>>> ---
>>> .../boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts | 9 +++++++++
>>> arch/arm64/boot/dts/qcom/x1e80100.dtsi | 10 ++++++++++
>>> 2 files changed, 19 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
>>> index fbff558f5b07..f569f0fbd1fc 100644
>>> --- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
>>> +++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
>>> @@ -635,6 +635,15 @@ &pcie4_phy {
>>> status = "okay";
>>> };
>>>
>>> +&pcie4_port0 {
>>> + wifi@0 {
>>> + compatible = "pci17cb,1107";
>>> + reg = <0x10000 0x0 0x0 0x0 0x0>;
>>> +
>>> + qcom,ath12k-calibration-variant = "LES790";
>>
>> It doesn't look like it follows the rest of the calibration variants.
>>
>> Something like "Lenovo_Y7x" or "Lenovo_Yoga7x" sounds more logical.
>
> This is what's both in the DSDT
>
> Device (WLN)
> {
> [...]
> Name (BDFE, "BDF_LES790")
>
> and kvalo's board-2.bin for this machine:
>
> $ strings board-2.bin | grep LES
> bus=pci,vendor=17cb,device=1107,subsystem-vendor=17aa,subsystem-device=e0e9,qmi-chip-id=2,qmi-board-id=255,variant=LES790
>
> I don't think we can hand-pick these strings, they come from whoever
> decided upon them and fed them into ACPI tables and QC's binaries.

Huh, great nod from qca!
Looks like there's even a bit more hw supported in there..

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad