From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Dongjin Kim Date: Tue, 19 Aug 2025 16:55:21 +0900 Subject: arm64: dts: rockchip: Change ethernet TXD timing delay value Very poor network performance is observed on the ODROID-M1 Board (REV 1.0 20220613) when running iperf3 (under 200Mbits/sec), and this problem can be resolved after changing the value of TXD timing to 0x35 from 0x4f. Signed-off-by: Dongjin Kim Link: https://lore.kernel.org/r/20250819075522.2238643-1-tobetter@gmail.com --- arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts index 111111111111..222222222222 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts @@ -210,7 +210,7 @@ &gmac0_rgmii_clk &gmac0_rgmii_bus>; status = "okay"; - tx_delay = <0x4f>; + tx_delay = <0x35>; rx_delay = <0x2d>; }; -- Armbian