linux-kernel - Re: [PATCH V4 0/4] Enable video on sc7180

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Message-ID: <20200213201247.GQ3948@builder>
Date:   Thu, 13 Feb 2020 12:12:47 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Dikshita Agarwal <dikshita@...eaurora.org>,
        linux-media@...r.kernel.org, stanimir.varbanov@...aro.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, vgarodia@...eaurora.org,
        Odelu Kukatla <okukatla@...eaurora.org>
Subject: Re: [PATCH V4 0/4] Enable video on sc7180

On Thu 13 Feb 11:57 PST 2020, Matthias Kaehlcke wrote:

> On Thu, Feb 13, 2020 at 11:26:27AM -0800, Bjorn Andersson wrote:
> > On Thu 13 Feb 10:53 PST 2020, Matthias Kaehlcke wrote:
> > 
> > > Hi Bjorn,
> > > 
> > > On Mon, Feb 03, 2020 at 10:02:40AM -0800, Bjorn Andersson wrote:
> > > > On Tue 14 Jan 04:53 PST 2020, Dikshita Agarwal wrote:
> > > > 
> > > > > Hello,
> > > > > 
> > > > > Changes since v3:
> > > > > 
> > > > >   - addressed DT and DT schema review comments.
> > > > > 
> > > > >   - renamed DT schema file.
> > > > > 
> > > > > v3 can be found at [1].
> > > > > These changes depend on patch series [2] - [6].
> > > > > 
> > > > > Thanks,
> > > > > Dikshita
> > > > > 
> > > > 
> > > > Picked up the dts patches for 5.7, with Stan's acks
> > > 
> > > I can't seem to find the patches in the QCOM repo, neither in
> > > 'arm64-for-5.7' nor 'for-next'. Am I looking at the wrong place or
> > > maybe you forget to push these?
> > > 
> > 
> > Thanks for the question Matthias, I was looking for this email as I
> > rebased onto v5.6-rc1 earlier this week, but got distracted.
> > 
> > I pulled them in, but in the rebase I realized that we don't have the
> > interconnects in place, so in it's current form these patches doesn't
> > compile.
> > 
> > Seems we're waiting for rather trivial respin of
> > https://lore.kernel.org/linux-arm-msm/1577782737-32068-1-git-send-email-okukatla@codeaurora.org/
> > to get this settled.
> 
> Hm, there has been no response to the comments in more than a month, also
> the series depends on another ('Split SDM845 interconnect nodes and
> consolidate RPMh support' https://patchwork.kernel.org/project/linux-arm-msm/list/?series=238831),
> even though that isn't mentioned anywhere.
> 

Sibi is revisiting David's 845 series, so my expectation is that it will
land in this cycle.

> IIUC the interconnect configuration isn't strictly required to get the
> video codec to work. I wonder if it would make sense to respin this
> series to remove the interconnect properties. They could be added in a
> separate patch after the ICC support has landed.
> 
> Dikshita/Bjorn, what do you think?

That sounds likely. Dikshita, can you confirm that we can just omit the
interconnect lines from the patch and I'll just apply the patches again
without these (and you can follow up with adding interconnects later).

Regards,
Bjorn