linux-kernel - Re: [PATCH] ARM: tegra: nyan: Enable GPU node and related supply

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Date:   Wed, 21 Sep 2016 08:57:26 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Paul Kocialkowski <contact@...lk.fr>,
        <linux-kernel@...r.kernel.org>,
        Alexandre Courbot <gnurou@...il.com>,
        Thierry Reding <thierry.reding@...il.com>
CC:     <linux-tegra@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>,
        Stephen Warren <swarren@...dotorg.org>
Subject: Re: [PATCH] ARM: tegra: nyan: Enable GPU node and related supply


On 20/09/16 19:17, Paul Kocialkowski wrote:
> * PGP Signed by an unknown key
> 
> Le mardi 20 septembre 2016 à 13:24 +0100, Jon Hunter a écrit :
>> On 18/09/16 15:13, Paul Kocialkowski wrote:
>>>
>>> This enables the GPU node for tegra124 nyan boards, which is required to
>>> get graphics acceleration with nouveau on these devices.
>>>
>>> Signed-off-by: Paul Kocialkowski <contact@...lk.fr>
>>> ---
>>>  arch/arm/boot/dts/tegra124-nyan.dtsi | 8 +++++++-
>>>  1 file changed, 7 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi
>>> b/arch/arm/boot/dts/tegra124-nyan.dtsi
>>> index dab9509..225ca77 100644
>>> --- a/arch/arm/boot/dts/tegra124-nyan.dtsi
>>> +++ b/arch/arm/boot/dts/tegra124-nyan.dtsi
>>> @@ -42,6 +42,12 @@
>>>  		};
>>>  	};
>>>  
>>> +	gpu@0,57000000 {
>>> +		status = "okay";
>>> +
>>> +		vdd-supply = <&vdd_gpu>;
>>> +	};
>>> +
>>>  	serial@...06000 {
>>>  		/* Debug connector on the bottom of the board near SD card.
>>> */
>>>  		status = "okay";
>>> @@ -214,7 +220,7 @@
>>>  					regulator-always-on;
>>>  				};
>>>  
>>> -				sd6 {
>>> +				vdd_gpu: sd6 {
>>>  					regulator-name = "+VDD_GPU_AP";
>>>  					regulator-min-microvolt = <650000>;
>>>  					regulator-max-microvolt =
>>> <1200000>;
>>>
>>
>> Looks good to me. I see the following error when booting but looking at the
>> code appears to be benign. Thierry, Alex, is this normal/okay?
> 
> I have the same messages and asked Alexandre about them the other day. He told
> me that it looks normal.

Ok great. Hopefully, Alex can ACK then.

Cheers
Jon

-- 
nvpublic