linux-kernel - Re: [PATCH v2 1/2] arm64: dts: rockchip: add GPU powerdomain, opps, and cooling to rk3328

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Message-Id: <3EC81CFB-7BA3-4AA5-8F1B-8E55C265338E@gmail.com>
Date: Sat, 6 Sep 2025 15:38:06 +0400
From: Christian Hewitt <christianshewitt@...il.com>
To: Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Heiko Stuebner <heiko@...ech.de>,
 devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Cc: Alex Bee <knaerzche@...il.com>
Subject: Re: [PATCH v2 1/2] arm64: dts: rockchip: add GPU powerdomain, opps,
 and cooling to rk3328



> On 6 Sep 2025, at 3:20 pm, Christian Hewitt <christianshewitt@...il.com> wrote:
> 
> From: Alex Bee <knaerzche@...il.com>
> 
> Add GPU powerdomain, opp-table, and cooling map nodes for the Mali
> GPU on the RK3328 SoC. Opp-table frequencies are sourced from the
> Rockchip Linux v4.4 vendor kernel while voltages have been derived
> from practical use and support work: keeping voltage above 1075mV
> and disabling the 500MHz opp-point avoids instability and crashes.
> 
> Signed-off-by: Alex Bee <knaerzche@...il.com>
> Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
> ---
> Changes since v1:
> - Use opp_table_gpu not gpu_opp_table to fix dtb schema warnings

Please ignore v2, I misunderstood the rename and should have left
gpu_opp_table and renamed only the second part to opp-table-gpu

I’ll fix that in a v3.

Christian