From 94784eeae3acf602a026489b9863b609a5d18be3 Mon Sep 17 00:00:00 2001 From: Alex Bee Date: Sat, 19 Jun 2021 14:14:46 +0200 Subject: [PATCH] arm64: dts: rockchip: Re-add regulator-boot-on, regulator-always-on for vdd_gpu on rk3399-roc-pc [ Upstream commit 06b2818678d9b35102c9816ffaf6893caf306ed0 ] This might be a limitation of either the current panfrost driver devfreq implementation or how the gpu is implemented in RK3399 SoC. The gpu regulator must never get disabled or the registers get (randomly?) inaccessable by the driver. (see all other RK3399 boards) Fixes: ec7d731d81e7 ("arm64: dts: rockchip: Add node for gpu on rk3399-roc-pc") Signed-off-by: Alex Bee Link: https://lore.kernel.org/r/20210619121446.7802-1-knaerzche@gmail.com Signed-off-by: Heiko Stuebner Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi index 20309076dbac0..e4345e5bdfb67 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi @@ -488,6 +488,8 @@ regulator-min-microvolt = <712500>; regulator-max-microvolt = <1500000>; regulator-ramp-delay = <1000>; + regulator-always-on; + regulator-boot-on; vin-supply = <&vcc3v3_sys>; regulator-state-mem { -- 2.47.2