Hi Sebastian, On 2024-09-19 11:12, Sebastian Reichel wrote: > Enabling the GPU power domain requires that the GPU regulator is > enabled. The regulator is enabled at boot time, but automatically > gets disabled when there are no users. > > If the GPU driver is not probed at boot time or rebound while > the system is running the system will try to enable the power > domain before the regulator is enabled resulting in a failure > hanging the whole system. Avoid this by adding an explicit > dependency. > > Reported-by: Adrián Martínez Larumbe <adrian.larumbe@xxxxxxxxxxxxx> > Tested-by: Adrian Larumbe <adrian.larumbe@xxxxxxxxxxxxx> # On Rock 5B > Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx> > --- > arch/arm64/boot/dts/rockchip/rk3588-armsom-sige7.dts | 4 ++++ > arch/arm64/boot/dts/rockchip/rk3588-base.dtsi | 2 +- > arch/arm64/boot/dts/rockchip/rk3588-coolpi-cm5.dtsi | 4 ++++ > arch/arm64/boot/dts/rockchip/rk3588-friendlyelec-cm3588.dtsi | 4 ++++ > arch/arm64/boot/dts/rockchip/rk3588-jaguar.dts | 4 ++++ > arch/arm64/boot/dts/rockchip/rk3588-ok3588-c.dts | 4 ++++ > arch/arm64/boot/dts/rockchip/rk3588-rock-5-itx.dts | 4 ++++ > arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 4 ++++ > arch/arm64/boot/dts/rockchip/rk3588-tiger.dtsi | 4 ++++ > arch/arm64/boot/dts/rockchip/rk3588s-coolpi-4b.dts | 4 ++++ > arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts | 4 ++++ > arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts | 4 ++++ > 12 files changed, 45 insertions(+), 1 deletion(-) > Any reason why following rk3588 DTs was not updated? rk3588-evb1-v10.dts rk3588-nanopc-t6.dtsi rk3588-quartzpro64.dts rk3588s-gameforce-ace.dts rk3588s-odroid-m2.dts I also expect we may need to define domain-supply for the npu on rk3588 and also both gpu and npu on rk356x in a future series. Similar freeze issue has been observed on rk356x when booting vendor kernel with npu support enabled using mainline U-Boot and DT [1]. To work around that issue on rk356x the npu regulator could be changed to always-on/boot-on to get past the kernel freeze [2]. [1] https://github.com/armbian/build/pull/7025#issuecomment-2291067748 [2] https://github.com/Kwiboo/u-boot-rockchip/commit/da31da4b68f858f54364a21b0dd00fef2ab0d0d6 Regards, Jonas