Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <20230130105423.1338554-1-mk@semmihalf.com> <20230130135418.1604455-1-mk@semmihalf.com>
 <CAJMMOfNJV+eOqTgUoLLWKQe2MJ=6fXL3aaP6d=YrSBQvfhOXiA@mail.gmail.com>
 <DM8PR02MB8169B2AC8918F8E31628F61AF3DB9@DM8PR02MB8169.namprd02.prod.outlook.com>
 <CAJMMOfN-6fgN0VohA5ViwVXmNWtA13ycfZFoO4ys9_CLes0feA@mail.gmail.com>
 <CAJMMOfM41dfqx0NoiHGE=8X5hoRHo1=qPEp4KXLP1kygestEJQ@mail.gmail.com> <CAJMMOfN6tUzGZOkP6ZXbKCr-vszqf3nnRM-dhXfpOUSiHr2EHA@mail.gmail.com>
In-Reply-To: <CAJMMOfN6tUzGZOkP6ZXbKCr-vszqf3nnRM-dhXfpOUSiHr2EHA@mail.gmail.com>
From:   =?UTF-8?Q?Micha=C5=82_Krawczyk?= <mk@semihalf.com>
Date:   Wed, 5 Apr 2023 11:29:12 +0200
Message-ID: <CAJMMOfNzkp9wFfwmov3T8f3KheY4hzu+4AnwXf7iLjKRQQbDzA@mail.gmail.com>
Subject: Re: [PATCH v2] media: venus: dec: Fix handling of the start cmd
To:     Vikash Garodia <vgarodia@qti.qualcomm.com>
Cc:     Stanimir Varbanov <stanimir.k.varbanov@gmail.com>,
        "Vikash Garodia (QUIC)" <quic_vgarodia@quicinc.com>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        "linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
        "linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "mw@semihalf.com" <mw@semihalf.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

Hi,

just a kindly reminder about the patch.

Thanks,
Micha=C5=82

pt., 10 mar 2023 o 16:05 Micha=C5=82 Krawczyk <mk@semihalf.com> napisa=C5=
=82(a):
>
> Hi,
>
> Any update on this patch? It would be great if we could make some
> progress there (and, hopefully, finally merge it :))
>
> Thanks,
> Micha=C5=82
>
> pt., 10 lut 2023 o 16:18 Micha=C5=82 Krawczyk <mk@semihalf.com> napisa=C5=
=82(a):
> >
> > Hi,
> >
> > I'm wondering if there are any more comments for this patch? I would
> > be happy to clarify anything that's unclear or improve the code if
> > needed.
> >
> > I know it's pretty late, but it would be really great if this fix
> > could land before v6.2 is released, so I'd appreciate your help and
> > review.
> >
> > Thank you,
> > Micha=C5=82
> >
> > wt., 7 lut 2023 o 12:15 Micha=C5=82 Krawczyk <mk@semihalf.com> napisa=
=C5=82(a):
> > >
> > > wt., 7 lut 2023 o 10:54 Vikash Garodia <vgarodia@qti.qualcomm.com> na=
pisa=C5=82(a):
> > > > I have reviewed the patch, and the drain sequence handling looks go=
od to me.
> > > > Could you share some details on the test client which you are using=
 to catch this issue ?
> > >
> > > Hi Vikash,
> > >
> > > Thank you for looking at the code!
> > >
> > > I've been testing it using the Chromium implementation of the V4L2
> > > codec [1]. Meanwhile, we were running a test suite which changes the
> > > encryption method in the middle of the video decoding. This triggers
> > > the flush behavior and the Chromium sends the stop/start cmd to the
> > > V4L2 kernel component, and the test expects the video to continue the
> > > playback normally. Unfortunately, it was causing a stall of the video
> > > at the same time.
> > >
> > > [1] https://source.chromium.org/chromium/chromium/src/+/main:media/gp=
u/v4l2/
> > >
> > > >
> > > > > Thank you,
> > > > > Micha=C5=82
> > > >
> > > > Thanks,
> > > > Vikash