From eb665b1c06bcaf16df10018550d8f467ed4b2887 Mon Sep 17 00:00:00 2001 From: Dragan Simic Date: Sun, 30 Jun 2024 18:00:41 +0200 Subject: [PATCH] arm64: dts: rockchip: Update GPU OPP voltages in RK356x SoC dtsi Update the values for the exact Rockchip RK356x GPU OPP voltages and the lower limits for the GPU OPP voltage ranges, using the most conservative values (i.e. the highest per-OPP voltages) found in the vendor kernel source (cf. downstream commit f8b9431ee38e ("arm64: dts: rockchip: rk3568: support adjust opp-table by otp")). [1][2] Using the most conservative per-OPP voltages ensures reliable GPU operation regardless of the actual GPU binning, with the downside of possibly using a bit more power than absolutely needed. [1] https://github.com/rockchip-linux/kernel/commit/f8b9431ee38ed561650be7092ab93f564598daa9 [2] https://raw.githubusercontent.com/rockchip-linux/kernel/f8b9431ee38ed561650be7092ab93f564598daa9/arch/arm64/boot/dts/rockchip/rk3568.dtsi Suggested-by: Diederik de Haas Helped-by: Jonas Karlman Signed-off-by: Dragan Simic Link: https://lore.kernel.org/r/80301764e8983c8410c806ed2256403823709897.1719763100.git.dsimic@manjaro.org Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/rk356x.dtsi | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi index 7102919408563..4690be841a1cd 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi @@ -195,27 +195,27 @@ opp-200000000 { opp-hz = /bits/ 64 <200000000>; - opp-microvolt = <825000 825000 1000000>; + opp-microvolt = <850000 850000 1000000>; }; opp-300000000 { opp-hz = /bits/ 64 <300000000>; - opp-microvolt = <825000 825000 1000000>; + opp-microvolt = <850000 850000 1000000>; }; opp-400000000 { opp-hz = /bits/ 64 <400000000>; - opp-microvolt = <825000 825000 1000000>; + opp-microvolt = <850000 850000 1000000>; }; opp-600000000 { opp-hz = /bits/ 64 <600000000>; - opp-microvolt = <825000 825000 1000000>; + opp-microvolt = <900000 900000 1000000>; }; opp-700000000 { opp-hz = /bits/ 64 <700000000>; - opp-microvolt = <900000 900000 1000000>; + opp-microvolt = <950000 950000 1000000>; }; opp-800000000 { -- 2.47.3