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Date:   Wed, 6 May 2020 23:40:20 +0200
From:   Konrad Dybcio <>
To:     Stanimir Varbanov <>
Cc:, Andy Gross <>,
        Bjorn Andersson <>,
        Mauro Carvalho Chehab <>,
        Rob Herring <>,
        linux-arm-msm <>,, DTML <>,
        Linux Kernel Mailing List <>,
        Vincent Knecht <>
Subject: Re: [PATCH 0/2] Add support for venus on msm8939

Hi Stan,

Unfortunately it seems like I made some mistakes, as I've pointed out
in the reply in [1/2] patch,
and therefore this submission can go to the bin and wait for a v2. But
answering your question
wrt to 8939:

The platform is currently shaping out good, as we can reuse a large
number of 8916 drivers.
At the moment we have 4 out of 8 cores working reliably with
out-of-tree patches (8939 doesn't support psci)
and the latter 8 cores aren't there only because of the core
interconnect not being handled yet
(well they can be enabled but performance goes waaaay down when one does so).
As for other features, I have adreno, iommu, i2c, sdhci and other
basic things like that working,
and Vincent Knecht (cc) with an Alcatel Idol 3 5.5 (same SoC) even
reportedly got USB and
Wi-Fi to work (though we have different hardware in both situations).
Currently Vincent and I have local support for the aforementioned
Alcatel, Asus Zenfone 2 Laser
1080p (Z00T) and partial support (as in no panel yet) for Sony Xperia
M4 Aqua with Linaro
folks preparing some drivers (like GCC) for an unknown-to-me 8939 board
(or perhaps a phone, too?). I already pushed Adreno 405 enablement to
mesa, too and it's
going to be there in the next release, so this platform will only get
better from now.


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