From: Rob Herring <robh+dt@kernel.org>
To: Nicolas Boichat <drinkcat@chromium.org>
Cc: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Tomeu Vizoso <tomeu.vizoso@collabora.com>,
Steven Price <steven.price@arm.com>,
Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
dri-devel <dri-devel@lists.freedesktop.org>,
devicetree@vger.kernel.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
Hsin-Yi Wang <hsinyi@chromium.org>,
Ulf Hansson <ulf.hansson@linaro.org>
Subject: Re: [PATCH v4 0/7] Add dts for mt8183 GPU (and misc panfrost patches)
Date: Tue, 25 Feb 2020 14:35:05 -0600 [thread overview]
Message-ID: <CAL_JsqJb2aFHKcVdD-FM2To71iRUJ2nMniw7aZUVXmPmBkazNw@mail.gmail.com> (raw)
In-Reply-To: <20200207052627.130118-1-drinkcat@chromium.org>
On Thu, Feb 6, 2020 at 11:26 PM Nicolas Boichat <drinkcat@chromium.org> wrote:
>
> Hi!
>
> Follow-up on the v3: https://patchwork.kernel.org/cover/11331343/.
>
> The main purpose of this series is to upstream the dts change and the
> binding document, but I wanted to see how far I could probe the GPU, to
> check that the binding is indeed correct. The rest of the patches are
> RFC/work-in-progress, but I think some of them could already be picked up.
>
> So this is tested on MT8183 with a chromeos-4.19 kernel, and a ton of
> backports to get the latest panfrost driver (I should probably try on
> linux-next at some point but this was the path of least resistance).
>
> I tested it as a module as it's more challenging (originally probing would
> work built-in, on boot, but not as a module, as I didn't have the power
> domain changes, and all power domains are on by default during boot).
>
> Probing logs looks like this, currently. They look sane.
> [ 501.319728] panfrost 13040000.gpu: clock rate = 511999970
> [ 501.320041] panfrost 13040000.gpu: Linked as a consumer to regulator.14
> [ 501.320102] panfrost 13040000.gpu: Linked as a consumer to regulator.31
> [ 501.320651] panfrost 13040000.gpu: Linked as a consumer to genpd:0:13040000.gpu
> [ 501.320954] panfrost 13040000.gpu: Linked as a consumer to genpd:1:13040000.gpu
> [ 501.321062] panfrost 13040000.gpu: Linked as a consumer to genpd:2:13040000.gpu
> [ 501.321734] panfrost 13040000.gpu: mali-g72 id 0x6221 major 0x0 minor 0x3 status 0x0
> [ 501.321741] panfrost 13040000.gpu: features: 00000000,13de77ff, issues: 00000000,00000400
> [ 501.321747] panfrost 13040000.gpu: Features: L2:0x07120206 Shader:0x00000000 Tiler:0x00000809 Mem:0x1 MMU:0x00002830 AS:0xff JS:0x7
> [ 501.321752] panfrost 13040000.gpu: shader_present=0x7 l2_present=0x1
> [ 501.324951] [drm] Initialized panfrost 1.1.0 20180908 for 13040000.gpu on minor 2
>
> Some more changes are still required to get devfreq working, and of course
> I do not have a userspace driver to test this with.
>
> I believe at least patches 1, 2, and 3 can be merged. 4 and 5 are mostly
> useful in conjunction with 6 and 7 (which are not ready yet), so I'll let
> maintainers decide.
I've applied 3, 4, and 5 to drm-misc-next. Patch 2 should go via Mediatek tree.
Rob
prev parent reply other threads:[~2020-02-25 20:35 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-07 5:26 [PATCH v4 0/7] Add dts for mt8183 GPU (and misc panfrost patches) Nicolas Boichat
2020-02-07 5:26 ` [PATCH v4 1/7] dt-bindings: gpu: mali-bifrost: Add Mediatek MT8183 Nicolas Boichat
2020-02-25 17:16 ` Rob Herring
2020-02-26 0:55 ` Nicolas Boichat
2020-03-06 2:34 ` Nick Fan
2020-03-06 2:43 ` Nicolas Boichat
2020-03-06 14:13 ` Rob Herring
2020-03-06 14:43 ` Steven Price
2020-03-09 7:55 ` Nick Fan
2020-02-07 5:26 ` [PATCH v4 2/7] arm64: dts: mt8183: Add node for the Mali GPU Nicolas Boichat
2020-02-07 5:26 ` [PATCH v4 3/7] drm/panfrost: Improve error reporting in panfrost_gpu_power_on Nicolas Boichat
2020-02-12 10:38 ` Matthias Brugger
2020-02-07 5:26 ` [PATCH v4 4/7] drm/panfrost: Add support for multiple regulators Nicolas Boichat
2020-02-10 11:31 ` Steven Price
2020-02-10 14:00 ` Mark Brown
2020-02-07 5:26 ` [PATCH v4 5/7] drm/panfrost: Add support for multiple power domains Nicolas Boichat
2020-02-07 13:52 ` Alyssa Rosenzweig
2020-02-09 12:43 ` Nicolas Boichat
2020-02-07 14:25 ` Ulf Hansson
2020-02-09 12:50 ` Nicolas Boichat
2020-02-10 7:50 ` Ulf Hansson
2020-02-10 11:39 ` Steven Price
2020-02-11 19:43 ` Rob Herring
2020-02-11 20:08 ` Saravana Kannan
2020-02-12 1:58 ` Rob Herring
2020-02-12 2:10 ` Saravana Kannan
2020-02-12 2:08 ` Nicolas Boichat
2020-02-07 5:26 ` [PATCH v4 6/7] RFC: drm/panfrost: Add mt8183-mali compatible string Nicolas Boichat
2020-02-07 5:26 ` [PATCH v4 7/7] RFC: drm/panfrost: devfreq: Add support for 2 regulators Nicolas Boichat
2020-02-12 8:49 ` Nicolas Boichat
2020-02-12 9:06 ` Viresh Kumar
2020-02-12 18:14 ` Rob Herring
2020-02-13 7:57 ` Nicolas Boichat
2020-02-13 8:24 ` Nicolas Boichat
2020-02-14 1:37 ` Nick Fan (范哲維)
2020-03-09 1:53 ` Nicolas Boichat
2020-02-07 6:17 ` [PATCH v4 0/7] Add dts for mt8183 GPU (and misc panfrost patches) Tomeu Vizoso
2020-02-07 7:42 ` Nicolas Boichat
2020-02-07 8:13 ` Tomeu Vizoso
2020-02-10 3:39 ` Nicolas Boichat
2020-02-10 8:17 ` Tomeu Vizoso
2020-02-25 20:35 ` Rob Herring [this message]
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