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Subject: Re: [PATCH 4/4] arm64: dts: rockchip: Enable the GPU on Quartz64
 Model A
From:   Piotr Oniszczuk <piotr.oniszczuk@gmail.com>
In-Reply-To: <d2d54776-b4ee-2cda-334d-f868a6bbdf8b@arm.com>
Date:   Fri, 14 Jan 2022 18:56:03 +0100
Cc:     Alex Bee <knaerzche@gmail.com>,
        Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
        Heiko Stuebner <heiko@sntech.de>,
        Rob Herring <robh+dt@kernel.org>,
        linux-rockchip@lists.infradead.org,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Ezequiel Garcia <ezequiel@collabora.com>
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References: <20211126151729.1026566-1-knaerzche@gmail.com>
 <20211126151729.1026566-5-knaerzche@gmail.com>
 <EB2E04F1-BACA-4A4F-97F9-0257F29D57B5@gmail.com>
 <d2d54776-b4ee-2cda-334d-f868a6bbdf8b@arm.com>
To:     Robin Murphy <robin.murphy@arm.com>
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> Wiadomo=C5=9B=C4=87 napisana przez Robin Murphy <robin.murphy@arm.com> =
w dniu 14.01.2022, o godz. 17:42:
>=20
>>=20
>=20
> 517 is EPROBE_DEFER, which implies it's waiting for the relevant clock =
provider to show up. I see from patch #2 that SCMI is involved, so I'd =
check that that's working and you have CONFIG_COMMON_CLOCK_SCMI enabled.
>=20
> Robin.

Robin,

Many thx!
Indeed issue was with SCMi CLK.
Now i see:

[    3.092350] panfrost fde60000.gpu: clock rate =3D 594000000
[    3.092906] panfrost fde60000.gpu: bus_clock rate =3D 500000000
[    3.138340] panfrost fde60000.gpu: clock rate =3D 594000000
[    3.138904] panfrost fde60000.gpu: bus_clock rate =3D 500000000
[    3.171244] panfrost fde60000.gpu: clock rate =3D 594000000
[    3.171888] panfrost fde60000.gpu: bus_clock rate =3D 500000000

good.

(unfortunately mesa 21.3.4 still goes with llvmpipe but this seems to be =
other issue i need to investigate)

thx again!