linux-kernel - Re: [PATCH 1/2] arm64: dts: qcom: sm8550: Add dma-coherent property

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Message-ID: <05a5402e-9c9e-4dbe-88a6-f990c5c2fbf0@quicinc.com>
Date: Fri, 26 Jan 2024 10:34:26 +0800
From: Ling Xu <quic_lxu5@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>, <andersson@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>
CC: <quic_kuiw@...cinc.com>, <quic_ekangupt@...cinc.com>, <kernel@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] arm64: dts: qcom: sm8550: Add dma-coherent property

在 2024/1/26 0:38, Konrad Dybcio 写道:
> 
> 
> On 1/25/24 11:24, Ling Xu wrote:
>> Add dma-coherent property to fastRPC context bank nodes to pass dma
>> sequence test in fastrpc sanity test, ensure that data integrity is
>> maintained during DMA operations.
>>
>> Signed-off-by: Ling Xu <quic_lxu5@...cinc.com>
>> ---
> 
> How can we replicate this validation?
> 
> Konrad

Without this change, case8 and case14 about DMA sequence test in fastRPC sanity test can not pass.

The steps to do fastRPC sanity test is:
1.download code
p4 login
export PATH="$PATH:/prj/qct/asw/qctss/linux/bin/vce"
vce.py view --base fastrpctest.common.1.0 --checkout=<username> --root .
2.compile command
chmod -R 777 ./fastrpc_tests && python3 ./fastrpc_tests/build_fastrpc_test.py -target=LE
3.run fastRPC test
fastrpc_tests_ReleaseG_push_LE.bat
adb shell fastrpc_tests -e (case number) -d 3

-- 
Thx and BRs,
Ling Xu