linux-kernel - Re: [PATCH v5 0/5] Add ARM Mali Midgard device tree bindings and gpu node for rk3288

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Message-ID: <b63475e9-21f6-5995-90b6-e0eeae8144ab@rock-chips.com>
Date:   Tue, 9 May 2017 09:16:31 +0800
From:   Randy Li <randy.li@...k-chips.com>
To:     Heiko Stübner <heiko@...ech.de>
Cc:     Guillaume Tucker <guillaume.tucker@...labora.com>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>,
        Sjoerd Simons <sjoerd.simons@...labora.com>,
        Wookey <wookey@...kware.org>, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        John Reitan <john.reitan@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 0/5] Add ARM Mali Midgard device tree bindings and gpu
 node for rk3288


On 05/09/2017 12:27 AM, Heiko Stübner wrote:
> Am Mittwoch, 3. Mai 2017, 10:56:24 CEST schrieb Guillaume Tucker:
>> The ARM Mali Midgard GPU kernel driver is only available
>> out-of-tree and is not going to be merged in its current form.
>> However, it would be useful to have its device tree bindings
>> merged.  In particular, this would enable distributions to create
>> working driver packages (dkms...) without having to patch the
>> kernel.
>>
>> The bindings for the earlier Mali Utgard GPU family have already
>> been merged, so this is essentially the same scenario but for
>> newer GPUs (Mali-T604 ~ Mali-T880).
>>
>> This series of patches first imports the bindings from the latest
>> driver release with some clean-up then adds a gpu node for the
>> rk3288 SoC.  This was successfully tested on Radxa Rock2 Square,
>> Firefly, Veyron Minnie and Jerry boards using Mali kernel driver
>> r16p0 and r12p0 user-space binary.
I won't suggest such combine. We meet some problems at mali 400 serial.
I would suggest the kernel version would match the user library.
Also please notice there is rk3288w, the hardware version becomes r1p0.
> 
> The actual devicetree parts are all Rockchip-specific, so I guess I'll just
> pick up the whole series, including the binding doc, after the merge
> window if nobody complains before that :-)
> 
> 
> Heiko
> 
> _______________________________________________
> Linux-rockchip mailing list
> Linux-rockchip@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-rockchip
> 

-- 
Randy Li

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