linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: sc8280xp: Add Huawei Matebook E Go (sc8280xp)

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Message-ID: <lwhell4z72srw67gj6gpt2uyqzx4k5dzjw5xs7dab6lbya7soi@tsoh2bcn2gwc>
Date: Sat, 14 Dec 2024 15:39:27 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Pengyu Luo <mitltlatltl@...il.com>
Cc: andersson@...nel.org, chenxuecong2009@...look.com, conor+dt@...nel.org, 
	devicetree@...r.kernel.org, gty0622@...il.com, johan+linaro@...nel.org, 
	konrad.dybcio@....qualcomm.com, konradybcio@...nel.org, krzk+dt@...nel.org, 
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, robh@...nel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: sc8280xp: Add Huawei Matebook E Go
 (sc8280xp)

On Sat, Dec 14, 2024 at 08:23:00PM +0800, Pengyu Luo wrote:
> On Fri, Dec 13, 2024 at 1:13 AM Konrad Dybcio <konrad.dybcio@....qualcomm.com> wrote:
> 
> [...]
> 
> >> +
> >> +		/* /lib/firmware/ath11k/WCN6855/hw2.1/board-2.bin
> >> +		 * there is no calibrate data for huawei,
> >> +		 * but they have the same subsystem-device id
> >> +		 */
> >> +		qcom,ath11k-calibration-variant = "LE_X13S";
> > 
> > Oh, this can be taken care of! See [2], [3].
> 
> [...]
> 
> Hi, Konrad
> 
> I want to distrub you again.
> 
> Finally, I found something, after I enabled ath11k boot dbg, I got my
> id_string='bus=pci,vendor=17cb,device=1103,subsystem-vendor=17cb,subsystem-device=0108,qmi-chip-id=2,qmi-board-id=255`
> 
> With qca-swiss-army-knife (see [1])
> 
> $ ./ath11k-bdencoder -e board-2.bin | grep -i "$id_string"
> bus=pci,vendor=17cb,device=1103,subsystem-vendor=17cb,subsystem-device=0108,qmi-chip-id=2,qmi-board-id=255.bin created size: 60048
> 
> It have already been here. So that means I don't need to extract from
> Windows. I just extract it from linux-firmware then give it a variant
> name and send patches to ath11k, right?

No. Usually 255 is an ID that is used by a variety of boards. So,
basically, you have to extract board data from Windows, add a proper
calibration variant that is specific to your board and then send the
resulting data to the ath11k mailing list.

> 
> Pengyu
> 
> [1] https://github.com/qca/qca-swiss-army-knife

-- 
With best wishes
Dmitry