linux-kernel - Re: [PATCH v2 00/18] Venus QoL / maintainability fixes

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Date:   Wed, 17 May 2023 22:25:00 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Dikshita Agarwal <dikshita@....qualcomm.com>,
        Mansur Alisha Shaik <mansur@...eaurora.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        stable@...r.kernel.org
Subject: Re: [PATCH v2 00/18] Venus QoL / maintainability fixes



On 12.05.2023 05:01, Bryan O'Donoghue wrote:
> On 04/05/2023 09:00, Konrad Dybcio wrote:
>> Tested on 8250, but pretty please test it on your boards too!
> 
> What's the definition of test here ?
> 
> I ran this
> 
> ffplay -codec:video h264_v4l2m2m FantasticFour-ROTSS.mp4
> 
> and this
> 
> ffplay -codec:video vp8_v4l2m2m /mnt/big-buck-bunny_trailer.webm
> 
> on db410c with no errors. Then again I applied and disapplied the 8x8 264 fix to that branch and saw no discernable difference so I'm not very confident we have good coverage.
I don't think we have any coverage at all, especially considering
there were 1 or 2 patches fixing vdec not working at all in the past
few months.. Maybe CrOS has some internal pipelines for this.

> 
> @Stan @Vikash could you give some suggested tests for coverage here ?
> 
> @Konrad - get a db410c !
Don't think they're even made anymore!

> 
> My superficial first-pass on this series looks good but, before giving a Tested-by here, I think we should define a set of coverage tests, run them - the upper end on sm8250 and lower end msm8916 "makes sense to me"
> 
> 20? different gstreamer tests at different formats and different sizes on our selected platforms db410c, rb5, rb3 I have - also an 820 I haven't booted and an enforce sdm660.
> 
> Which tests will we use to validate this series and subsequent series to ensure we don't have more regressions ?
Personally I've done:

- boot and check if venus still probes and doesn't shout in dmesg
- decode and re-encode a H264 file

which is far from perfect..

Konrad
> 
> ---
> bod