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Create 999-ipq40xx-unlock-cpu-frequency.patch

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suyuan 2020-12-28 13:59:08 +08:00
parent 93a344acac
commit 210c4e5432
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root/target/linux/ipq40xx/patches-5.4/999-ipq40xx-unlock-cpu-frequency.patch Normal file
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@ -0,0 +1,57 @@
From: William <gw826943555@qq.com>
Subject: [PATCH] ipq40xx: improve CPU clock
Date: Tue, 15 Dec 2020 15:28:10 +0800
This patch will match the clock-latency-ns values in the device tree
for those found inside the OEM device tree and kernel source code and
unlock 896Mhz CPU operating points.
Signed-off-by: William <gw826943555@qq.com>
---
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -121,23 +121,28 @@
opp-48000000 {
opp-hz = /bits/ 64 <48000000>;
opp-microvolt = <1100000>;
- clock-latency-ns = <256000>;
+ clock-latency-ns = <100000>;
};
opp-200000000 {
opp-hz = /bits/ 64 <200000000>;
opp-microvolt = <1100000>;
- clock-latency-ns = <256000>;
+ clock-latency-ns = <100000>;
};
opp-500000000 {
opp-hz = /bits/ 64 <500000000>;
opp-microvolt = <1100000>;
- clock-latency-ns = <256000>;
+ clock-latency-ns = <100000>;
};
opp-716000000 {
opp-hz = /bits/ 64 <716000000>;
opp-microvolt = <1100000>;
- clock-latency-ns = <256000>;
+ clock-latency-ns = <100000>;
};
+ opp-896000000 {
+ opp-hz = /bits/ 64 <896000000>;
+ opp-microvolt = <1100000>;
+ clock-latency-ns = <100000>;
+ };
};
pmu {
--- a/drivers/clk/qcom/gcc-ipq4019.c
+++ b/drivers/clk/qcom/gcc-ipq4019.c
@@ -587,6 +587,9 @@ static const struct freq_tbl ftbl_gcc_ap
F(632000000, P_DDRPLLAPSS, 1, 0, 0),
F(672000000, P_DDRPLLAPSS, 1, 0, 0),
F(716000000, P_DDRPLLAPSS, 1, 0, 0),
+ F(768000000, P_DDRPLLAPSS, 1, 0, 0),
+ F(823000000, P_DDRPLLAPSS, 1, 0, 0),
+ F(896000000, P_DDRPLLAPSS, 1, 0, 0),
{ }
};