From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/drivers/cpufreq/amd_freq_sensitivity.c | 23 ++++++++++++++---------
1 files changed, 14 insertions(+), 9 deletions(-)
diff --git a/kernel/drivers/cpufreq/amd_freq_sensitivity.c b/kernel/drivers/cpufreq/amd_freq_sensitivity.c
index be926d9..1517711 100644
--- a/kernel/drivers/cpufreq/amd_freq_sensitivity.c
+++ b/kernel/drivers/cpufreq/amd_freq_sensitivity.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* amd_freq_sensitivity.c: AMD frequency sensitivity feedback powersave bias
* for the ondemand governor.
@@ -5,10 +6,6 @@
* Copyright (C) 2013 Advanced Micro Devices, Inc.
*
* Author: Jacob Shin <jacob.shin@amd.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
@@ -21,6 +18,7 @@
#include <asm/msr.h>
#include <asm/cpufeature.h>
+#include <asm/cpu_device_id.h>
#include "cpufreq_ondemand.h"
@@ -111,16 +109,23 @@
{
u64 val;
struct pci_dev *pcidev;
+ unsigned int pci_vendor;
- if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD)
+ if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
+ pci_vendor = PCI_VENDOR_ID_AMD;
+ else if (boot_cpu_data.x86_vendor == X86_VENDOR_HYGON)
+ pci_vendor = PCI_VENDOR_ID_HYGON;
+ else
return -ENODEV;
- pcidev = pci_get_device(PCI_VENDOR_ID_AMD,
+ pcidev = pci_get_device(pci_vendor,
PCI_DEVICE_ID_AMD_KERNCZ_SMBUS, NULL);
if (!pcidev) {
- if (!static_cpu_has(X86_FEATURE_PROC_FEEDBACK))
+ if (!boot_cpu_has(X86_FEATURE_PROC_FEEDBACK))
return -ENODEV;
+ } else {
+ pci_dev_put(pcidev);
}
if (rdmsrl_safe(MSR_AMD64_FREQ_SENSITIVITY_ACTUAL, &val))
@@ -141,8 +146,8 @@
}
module_exit(amd_freq_sensitivity_exit);
-static const struct x86_cpu_id amd_freq_sensitivity_ids[] = {
- X86_FEATURE_MATCH(X86_FEATURE_PROC_FEEDBACK),
+static const struct x86_cpu_id __maybe_unused amd_freq_sensitivity_ids[] = {
+ X86_MATCH_FEATURE(X86_FEATURE_PROC_FEEDBACK, NULL),
{}
};
MODULE_DEVICE_TABLE(x86cpu, amd_freq_sensitivity_ids);
--
Gitblit v1.6.2