| .. | .. |
|---|
| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
|---|
| 1 | 2 | /* |
|---|
| 2 | 3 | * amd_freq_sensitivity.c: AMD frequency sensitivity feedback powersave bias |
|---|
| 3 | 4 | * for the ondemand governor. |
|---|
| .. | .. |
|---|
| 5 | 6 | * Copyright (C) 2013 Advanced Micro Devices, Inc. |
|---|
| 6 | 7 | * |
|---|
| 7 | 8 | * Author: Jacob Shin <jacob.shin@amd.com> |
|---|
| 8 | | - * |
|---|
| 9 | | - * This program is free software; you can redistribute it and/or modify |
|---|
| 10 | | - * it under the terms of the GNU General Public License version 2 as |
|---|
| 11 | | - * published by the Free Software Foundation. |
|---|
| 12 | 9 | */ |
|---|
| 13 | 10 | |
|---|
| 14 | 11 | #include <linux/kernel.h> |
|---|
| .. | .. |
|---|
| 21 | 18 | |
|---|
| 22 | 19 | #include <asm/msr.h> |
|---|
| 23 | 20 | #include <asm/cpufeature.h> |
|---|
| 21 | +#include <asm/cpu_device_id.h> |
|---|
| 24 | 22 | |
|---|
| 25 | 23 | #include "cpufreq_ondemand.h" |
|---|
| 26 | 24 | |
|---|
| .. | .. |
|---|
| 111 | 109 | { |
|---|
| 112 | 110 | u64 val; |
|---|
| 113 | 111 | struct pci_dev *pcidev; |
|---|
| 112 | + unsigned int pci_vendor; |
|---|
| 114 | 113 | |
|---|
| 115 | | - if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD) |
|---|
| 114 | + if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) |
|---|
| 115 | + pci_vendor = PCI_VENDOR_ID_AMD; |
|---|
| 116 | + else if (boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) |
|---|
| 117 | + pci_vendor = PCI_VENDOR_ID_HYGON; |
|---|
| 118 | + else |
|---|
| 116 | 119 | return -ENODEV; |
|---|
| 117 | 120 | |
|---|
| 118 | | - pcidev = pci_get_device(PCI_VENDOR_ID_AMD, |
|---|
| 121 | + pcidev = pci_get_device(pci_vendor, |
|---|
| 119 | 122 | PCI_DEVICE_ID_AMD_KERNCZ_SMBUS, NULL); |
|---|
| 120 | 123 | |
|---|
| 121 | 124 | if (!pcidev) { |
|---|
| 122 | | - if (!static_cpu_has(X86_FEATURE_PROC_FEEDBACK)) |
|---|
| 125 | + if (!boot_cpu_has(X86_FEATURE_PROC_FEEDBACK)) |
|---|
| 123 | 126 | return -ENODEV; |
|---|
| 124 | 127 | } |
|---|
| 125 | 128 | |
|---|
| .. | .. |
|---|
| 141 | 144 | } |
|---|
| 142 | 145 | module_exit(amd_freq_sensitivity_exit); |
|---|
| 143 | 146 | |
|---|
| 144 | | -static const struct x86_cpu_id amd_freq_sensitivity_ids[] = { |
|---|
| 145 | | - X86_FEATURE_MATCH(X86_FEATURE_PROC_FEEDBACK), |
|---|
| 147 | +static const struct x86_cpu_id __maybe_unused amd_freq_sensitivity_ids[] = { |
|---|
| 148 | + X86_MATCH_FEATURE(X86_FEATURE_PROC_FEEDBACK, NULL), |
|---|
| 146 | 149 | {} |
|---|
| 147 | 150 | }; |
|---|
| 148 | 151 | MODULE_DEVICE_TABLE(x86cpu, amd_freq_sensitivity_ids); |
|---|