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

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Message-ID: <ba759743-2ec1-c818-0b82-a3b27348aab6@nvidia.com>
Date:   Mon, 7 Nov 2016 13:00:10 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Alexandre Courbot <gnurou@...il.com>,
        Thierry Reding <thierry.reding@...il.com>
CC:     Paul Kocialkowski <contact@...lk.fr>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Stephen Warren <swarren@...dotorg.org>
Subject: Re: [PATCH] ARM: tegra: nyan: Enable GPU node and related supply

Thierry,

On 07/11/16 12:51, Alexandre Courbot wrote:
> On Wed, Sep 21, 2016 at 4:57 PM, Jon Hunter <jonathanh@...dia.com> wrote:
>>
>> 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.
> 
> Apologies for the (very) delayed reply.
> 
> Yes, the messages you are seeing are part of the normal probe sequence
> on Tegra. So this looks good to me.
> 
> Acked-by: Alexandre Courbot <acourbot@...dia.com>

Can you pick this one up for v4.10 as well?

Cheers
Jon

-- 
nvpublic