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Message-Id: <175678730682.877806.14001841198578934927.robh@kernel.org>
Date: Tue, 02 Sep 2025 08:17:40 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Christian Hewitt <christianshewitt@...il.com>
Cc: Alex Bee <knaerzche@...il.com>, linux-kernel@...r.kernel.org,
Rob Herring <robh+dt@...nel.org>, linux-rockchip@...ts.infradead.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Subject: Re: [PATCH 1/2] arm64: dts: rockchip: add GPU powerdomain, opps,
and cooling to rk3328
On Sat, 30 Aug 2025 11:51:34 +0000, Christian Hewitt 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>
> ---
> These changes have been in-use with Armbian and LibreELEC for many
> years without issue. Investigations into crashing (esp. with rkvdec
> running) have led to voltage tweaks and dropping 500MHz. Changes
> cannot be justified in technical detail, but are field proven over
> a large number of users, boards, and cheap power supplies.
>
> arch/arm64/boot/dts/rockchip/rk3328.dtsi | 39 +++++++++++++++++++++++-
> 1 file changed, 38 insertions(+), 1 deletion(-)
>
My bot found new DTB warnings on the .dts files added or changed in this
series.
Some warnings may be from an existing SoC .dtsi. Or perhaps the warnings
are fixed by another series. Ultimately, it is up to the platform
maintainer whether these warnings are acceptable or not. No need to reply
unless the platform maintainer has comments.
If you already ran DT checks and didn't see these error(s), then
make sure dt-schema is up to date:
pip3 install dtschema --upgrade
This patch series was applied (using b4) to base:
Base: attempting to guess base-commit...
Base: tags/next-20250829 (best guess, 2/4 blobs matched)
If this is not the correct base, please add 'base-commit' tag
(or use b4 which does this automatically)
New warnings running 'make CHECK_DTBS=y for arch/arm64/boot/dts/rockchip/' for 20250830115135.3549305-1-christianshewitt@...il.com:
arch/arm64/boot/dts/rockchip/rk3318-a95x-z2.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3318-a95x-z2.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-rock64.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-rock64.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2c.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2c.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-roc-pc.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-roc-pc.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-rock-pi-e.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2c-plus.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2c-plus.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-evb.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-evb.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus-lts.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus-lts.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-a1.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-a1.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s-plus.dtb: gpu-opp-table (operating-points-v2): $nodename:0: 'gpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s-plus.dtb: gpu-opp-table (operating-points-v2): Unevaluated properties are not allowed ('opp-200000000', 'opp-300000000', 'opp-400000000', 'opp-500000000' were unexpected)
from schema $id: http://devicetree.org/schemas/opp/opp-v2.yaml#
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