From: Robin Murphy <robin.murphy@arm•com>
To: Sudeep Holla <sudeep.holla@arm•com>
Cc: Rob Herring <robh@kernel•org>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm•com>,
Tomeu Vizoso <tomeu.vizoso@collabora•com>,
devicetree@vger•kernel.org, Liviu Dudau <liviu.dudau@arm•com>,
dri-devel <dri-devel@lists•freedesktop.org>,
Steven Price <steven.price@arm•com>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists•infradead.org>
Subject: Re: [PATCH 1/2] arm64: dts: juno: add GPU subsystem
Date: Tue, 1 Oct 2019 13:45:30 +0100 [thread overview]
Message-ID: <2a3b2fe1-b08a-bc21-6f3b-4a595b51463c@arm.com> (raw)
In-Reply-To: <20191001085954.GA10443@bogus>
On 01/10/2019 09:59, Sudeep Holla wrote:
> On Mon, Sep 30, 2019 at 12:46:33PM -0500, Rob Herring wrote:
>> On Mon, Sep 30, 2019 at 10:25 AM Robin Murphy <robin.murphy@arm•com> wrote:
>>>
>>> Since we now have bindings for Mali Midgard GPUs, let's use them to
>>> describe Juno's GPU subsystem, if only because we can. Juno sports a
>>> Mali-T624 integrated behind an MMU-400 (as a gesture towards
>>> virtualisation), in their own dedicated power domain with DVFS
>>> controlled by the SCP.
>>>
>>> CC: Liviu Dudau <liviu.dudau@arm•com>
>>> CC: Sudeep Holla <sudeep.holla@arm•com>
>>> CC: Lorenzo Pieralisi <lorenzo.pieralisi@arm•com>
>>> Signed-off-by: Robin Murphy <robin.murphy@arm•com>
>>> ---
>>> .../bindings/gpu/arm,mali-midgard.yaml | 5 +++-
>>> arch/arm64/boot/dts/arm/juno-base.dtsi | 27 +++++++++++++++++++
>>> 2 files changed, 31 insertions(+), 1 deletion(-)
>>
>> Reviewed-by: Rob Herring <robh@kernel•org>
>
> If you plan to take it along with driver change,
>
> Acked-by: Sudeep Holla <sudeep.holla@arm•com>
>
> If not, please let us know. I can take it for v5.5
The driver change is debatable and not strictly necessary, so it
probably makes more sense to take this one through the VExpress tree on
its own. I wouldn't suggest flipping the status to "enabled" just yet,
but it seems worth putting the basic description in place as a
jumping-off point for folks to hack on (e.g. it's another 'interesting'
case for devfreq OPP stuff).
Thanks,
Robin.
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next prev parent reply other threads:[~2019-10-01 12:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-30 15:24 [PATCH 1/2] arm64: dts: juno: add GPU subsystem Robin Murphy
2019-09-30 15:24 ` [PATCH 2/2] drm/panfrost: Use coherent pagetable walk on Juno Robin Murphy
2019-09-30 16:26 ` Steven Price
2019-09-30 17:52 ` Rob Herring
2019-09-30 17:54 ` Robin Murphy
2019-09-30 17:27 ` [PATCH 1/2] arm64: dts: juno: add GPU subsystem Liviu Dudau
2019-09-30 17:46 ` Rob Herring
2019-10-01 8:59 ` Sudeep Holla
2019-10-01 12:45 ` Robin Murphy [this message]
2019-10-01 14:34 ` Sudeep Holla
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