linux-kernel - Re: [PATCH 4/4] arm64: dts: rockchip: Enable the GPU on Quartz64 Model A

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Date:   Fri, 14 Jan 2022 18:56:03 +0100
From:   Piotr Oniszczuk <piotr.oniszczuk@...il.com>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Alex Bee <knaerzche@...il.com>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Heiko Stuebner <heiko@...ech.de>,
        Rob Herring <robh+dt@...nel.org>,
        linux-rockchip@...ts.infradead.org,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ezequiel Garcia <ezequiel@...labora.com>
Subject: Re: [PATCH 4/4] arm64: dts: rockchip: Enable the GPU on Quartz64
 Model A



> Wiadomość napisana przez Robin Murphy <robin.murphy@....com> w dniu 14.01.2022, o godz. 17:42:
> 
>> 
> 
> 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.
> 
> Robin.

Robin,

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

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

good.

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

thx again!