linux-kernel - Re: [RESEND PATCH] arm64: dts: rockchip: Remove workaround that prevented Turing RK1 GPU power regulator control

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Message-ID: <174946744885.771907.2986962634832337844.b4-ty@sntech.de>
Date: Mon,  9 Jun 2025 13:11:01 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: Mark Brown <broonie@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sebastian Reichel <sebastian.reichel@...labora.com>,
	Sam Edwards <cfsworks@...il.com>
Cc: Heiko Stuebner <heiko@...ech.de>,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org,
	devicetree@...r.kernel.org,
	Liam Girdwood <lgirdwood@...il.com>,
	Elaine Zhang <zhangqing@...k-chips.com>,
	Adrián Martínez Larumbe <adrian.larumbe@...labora.com>,
	Boris Brezillon <boris.brezillon@...labora.com>,
	Peter Geis <pgwipeout@...il.com>,
	Tomeu Vizoso <tomeu@...euvizoso.net>,
	Vignesh Raman <vignesh.raman@...labora.com>,
	Daniel Kukieła <daniel@...iela.pl>,
	Sven Rademakers <sven.rademakers@...il.com>,
	Joshua Riek <jjriek@...izon.net>,
	Sam Edwards <CFSworks@...il.com>,
	stable@...r.kernel.org
Subject: Re: [RESEND PATCH] arm64: dts: rockchip: Remove workaround that prevented Turing RK1 GPU power regulator control


On Sun, 08 Jun 2025 11:48:55 -0700, Sam Edwards wrote:
> The RK3588 GPU power domain cannot be activated unless the external
> power regulator is already on. When GPU support was added to this DT,
> we had no way to represent this requirement, so `regulator-always-on`
> was added to the `vdd_gpu_s0` regulator in order to ensure stability.
> A later patch series (see "Fixes:" commit) resolved this shortcoming,
> but that commit left the workaround -- and rendered the comment above
> it no longer correct.
> 
> [...]

Applied, thanks!

[1/1] arm64: dts: rockchip: Remove workaround that prevented Turing RK1 GPU power regulator control
      commit: 5952996d5303c96702ef30ad30ec0a01acda46d4

Best regards,
-- 
Heiko Stuebner <heiko@...ech.de>