From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH 2/3] arm64: tegra: Update Jetson TX1 GPU regulator timings
Date: Thu, 20 Jun 2019 11:18:36 +0200
Message-ID: <20190620091836.GG26689@ulmo>
References: <20190620081702.17209-1-jonathanh@nvidia.com>
 <20190620081702.17209-3-jonathanh@nvidia.com>
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In-Reply-To: <20190620081702.17209-3-jonathanh@nvidia.com>
Sender: stable-owner@vger.kernel.org
To: Jon Hunter <jonathanh@nvidia.com>
Cc: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, stable@vger.kernel.org
List-Id: devicetree@vger.kernel.org


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On Thu, Jun 20, 2019 at 09:17:01AM +0100, Jon Hunter wrote:
> The GPU regulator enable ramp delay for Jetson TX1 is set to 1ms which
> not sufficient because the enable ramp delay has been measured to be
> greater than 1ms. Furthermore, the downstream kernels released by NVIDIA
> for Jetson TX1 are using a enable ramp delay 2ms and a settling delay of
> 160us. Update the GPU regulator enable ramp delay for Jetson TX1 to be
> 2ms and add a settling delay of 160us.
>=20
> Cc: stable@vger.kernel.org
> Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
> ---
>  arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Applied to for-5.3/arm64/dt, and I added this Fixes: line:

Fixes: 5e6b9a89afce ("arm64: tegra: Add VDD_GPU regulator to Jetson TX1")

Thanks,
Thierry

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