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Message-ID: <dee1e1fb-107e-4e74-bd0d-762618ec2192@linaro.org>
Date: Thu, 1 Feb 2024 21:39:04 +0100
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Subject: Re: [PATCH 1/2] arm64: dts: qcom: sm8550: Add dma-coherent property
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To: Ling Xu <quic_lxu5@quicinc.com>, andersson@kernel.org,
 robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org
Cc: quic_kuiw@quicinc.com, quic_ekangupt@quicinc.com, kernel@quicinc.com,
 linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org, Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
References: <20240125102413.3016-1-quic_lxu5@quicinc.com>
 <20240125102413.3016-2-quic_lxu5@quicinc.com>
 <918d1d55-e95a-4b00-af59-7b5d7057b9fb@linaro.org>
 <05a5402e-9c9e-4dbe-88a6-f990c5c2fbf0@quicinc.com>
From: Konrad Dybcio <konrad.dybcio@linaro.org>
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In-Reply-To: <05a5402e-9c9e-4dbe-88a6-f990c5c2fbf0@quicinc.com>
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On 26.01.2024 03:34, Ling Xu wrote:
> 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@quicinc.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 .

I'm assuming it's not this one.. https://pypi.org/project/vce/


> 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
> 

I see, however there has been some talks about halting fastrpc developments
until an open source userspace counterpart is ready, as upstream outright
rejects binary glue..

That said, I am not sure whether I'd be against fixing up the devicetree
component..

Konrad