<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr"><br></div><div dir="ltr"><br><blockquote type="cite">On 25 Aug 2024, at 18:10, Chukun Pan <amadeus@jmu.edu.cn> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><span>Hi,</span><br><span></span><br><blockquote type="cite"><span>--- /dev/null</span><br></blockquote><blockquote type="cite"><span>+++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi</span><br></blockquote><blockquote type="cite"><span>...</span><br></blockquote><blockquote type="cite"><span>+ opp-1416000000 {</span><br></blockquote><blockquote type="cite"><span>+ opp-hz = /bits/ 64 <1416000000>;</span><br></blockquote><blockquote type="cite"><span>+ opp-microvolt = <725000 725000 950000>;</span><br></blockquote><blockquote type="cite"><span>+ opp-microvolt-L1 = <712500 712500 950000>;</span><br></blockquote><blockquote type="cite"><span>+ opp-microvolt-L2 = <700000 700000 950000>;</span><br></blockquote><blockquote type="cite"><span>+ opp-microvolt-L3 = <700000 700000 950000>;</span><br></blockquote><blockquote type="cite"><span>+ opp-microvolt-L4 = <700000 700000 950000>;</span><br></blockquote><blockquote type="cite"><span>+ opp-microvolt-L5 = <700000 700000 950000>;</span><br></blockquote><blockquote type="cite"><span>+ clock-latency-ns = <40000>;</span><br></blockquote><blockquote type="cite"><span>+ };</span><br></blockquote><blockquote type="cite"><span>...</span><br></blockquote><span></span><br><span>I'm curious if these frequencies work properly. On the bsp kernel,</span><br><span>'opp-microvolt-L<name>' is used by the PVTM driver, I don't know</span><br><span>if it works on the upstream kernel. Sorry but have you tested it</span><br><span>with mhz (https://github.com/wtarreau/mhz)?</span><br></div></blockquote><div><br></div><span style="font-size: 16px; -webkit-text-size-adjust: auto; caret-color: rgb(212, 212, 213); font-family: -apple-system, "Helvetica Neue"; word-spacing: 1px; -webkit-tap-highlight-color: rgba(255, 255, 255, 0.25); border-color: rgb(49, 49, 49); color: rgb(49, 49, 49);">These are for voltage-frequency binning, and they at least require reading and interpreting ‘leakage’ values from efuse, which the mainline generic cpufreq-dt driver does not. So maybe drop the (.+)-L[0-9]+ values until we have something in the mainline tree to test them with?</span><br style="font-size: 16px; -webkit-text-size-adjust: auto; caret-color: rgb(212, 212, 213); color: rgb(212, 212, 213); font-family: -apple-system, "Helvetica Neue"; word-spacing: 1px; -webkit-tap-highlight-color: rgba(255, 255, 255, 0.25);"><br style="font-size: 16px; -webkit-text-size-adjust: auto; caret-color: rgb(212, 212, 213); color: rgb(212, 212, 213); font-family: -apple-system, "Helvetica Neue"; word-spacing: 1px; -webkit-tap-highlight-color: rgba(255, 255, 255, 0.25);"><span style="font-size: 16px; -webkit-text-size-adjust: auto; caret-color: rgb(212, 212, 213); font-family: -apple-system, "Helvetica Neue"; word-spacing: 1px; -webkit-tap-highlight-color: rgba(255, 255, 255, 0.25); border-color: rgb(49, 49, 49); color: rgb(49, 49, 49);">Best regards,</span><br style="font-size: 16px; -webkit-text-size-adjust: auto; caret-color: rgb(212, 212, 213); color: rgb(212, 212, 213); font-family: -apple-system, "Helvetica Neue"; word-spacing: 1px; -webkit-tap-highlight-color: rgba(255, 255, 255, 0.25);"><span style="font-size: 16px; -webkit-text-size-adjust: auto; caret-color: rgb(212, 212, 213); font-family: -apple-system, "Helvetica Neue"; word-spacing: 1px; -webkit-tap-highlight-color: rgba(255, 255, 255, 0.25); border-color: rgb(49, 49, 49); color: rgb(49, 49, 49);">Alexey</span></body></html>