Hi Caesar, On Wed, Jul 12, 2017 at 02:29:30PM +0800, Caesar Wang wrote: > As RK3399 had used the Power allocator thermal governor by default, > enabled this to manage thermals by dynamically allocating and limiting > power to devices. > > Also, this patch supported the dynamic-power-coefficient/sustainable_power > and GPU's power model for needed parameters with thermal IPA. > > Signed-off-by: Caesar Wang <wxt@xxxxxxxxxxxxxx> > > --- > > arch/arm64/boot/dts/rockchip/rk3399.dtsi | 62 +++++++++++++++----------------- > 1 file changed, 29 insertions(+), 33 deletions(-) > > diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi > index 8c6438b..139f58c 100644 > --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi > +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi > @@ -147,7 +147,7 @@ > enable-method = "psci"; > #cooling-cells = <2>; /* min followed by max */ > clocks = <&cru ARMCLKB>; > - dynamic-power-coefficient = <100>; > + dynamic-power-coefficient = <436>; > }; > > cpu_b1: cpu@101 { > @@ -156,7 +156,7 @@ > reg = <0x0 0x101>; > enable-method = "psci"; > clocks = <&cru ARMCLKB>; > - dynamic-power-coefficient = <100>; > + dynamic-power-coefficient = <436>; There are 6 of these properties (1 for each core now; not just 1 for each cluster), and you're only changing 2 of them. BTW, are these values determined from measurement this time? And heavily tested? The previous values were suspiciously round, but they'd been heavily tested so I didn't mind :) > }; > }; > ... Brian -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html