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authorBorislav Petkov <bp@suse.de>2019-05-19 16:53:24 +0200
committerBorislav Petkov <bp@suse.de>2019-05-19 16:53:24 +0200
commit9300859b3397852c35d43a79571dc1ab1f7f0095 (patch)
treee861293eb7049869d13955b1d27dacb55cef7238
parent79cd1fe50c4ec0f66d4931b84d61c5e588d86aa2 (diff)
tools/cpupower: Add Hygon Dhyana support (fate#327735).
-rw-r--r--tools/power/cpupower/utils/cpufreq-info.c6
-rw-r--r--tools/power/cpupower/utils/helpers/amd.c1
-rw-r--r--tools/power/cpupower/utils/helpers/cpuid.c8
-rw-r--r--tools/power/cpupower/utils/helpers/helpers.h2
-rw-r--r--tools/power/cpupower/utils/idle_monitor/mperf_monitor.c3
5 files changed, 12 insertions, 8 deletions
diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c
index 3e701f0e9c14..45db3beb00c0 100644
--- a/tools/power/cpupower/utils/cpufreq-info.c
+++ b/tools/power/cpupower/utils/cpufreq-info.c
@@ -172,6 +172,7 @@ static int get_boost_mode(unsigned int cpu)
unsigned long pstates[MAX_HW_PSTATES] = {0,};
if (cpupower_cpu_info.vendor != X86_VENDOR_AMD &&
+ cpupower_cpu_info.vendor != X86_VENDOR_HYGON &&
cpupower_cpu_info.vendor != X86_VENDOR_INTEL)
return 0;
@@ -192,8 +193,9 @@ static int get_boost_mode(unsigned int cpu)
printf(_(" Supported: %s\n"), support ? _("yes") : _("no"));
printf(_(" Active: %s\n"), active ? _("yes") : _("no"));
- if (cpupower_cpu_info.vendor == X86_VENDOR_AMD &&
- cpupower_cpu_info.family >= 0x10) {
+ if ((cpupower_cpu_info.vendor == X86_VENDOR_AMD &&
+ cpupower_cpu_info.family >= 0x10) ||
+ cpupower_cpu_info.vendor == X86_VENDOR_HYGON) {
ret = decode_pstates(cpu, cpupower_cpu_info.family, b_states,
pstates, &pstate_no);
if (ret)
diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c
index 6437ef39aeea..05c27a916978 100644
--- a/tools/power/cpupower/utils/helpers/amd.c
+++ b/tools/power/cpupower/utils/helpers/amd.c
@@ -47,7 +47,6 @@ static int get_cof(int family, union msr_pstate pstate)
int fid, did;
did = get_did(family, pstate);
-
t = 0x10;
fid = pstate.bits.fid;
if (family == 0x11)
diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c
index 39c2c7d067bb..0a6080e4eea5 100644
--- a/tools/power/cpupower/utils/helpers/cpuid.c
+++ b/tools/power/cpupower/utils/helpers/cpuid.c
@@ -7,7 +7,7 @@
#include "helpers/helpers.h"
static const char *cpu_vendor_table[X86_VENDOR_MAX] = {
- "Unknown", "GenuineIntel", "AuthenticAMD",
+ "Unknown", "GenuineIntel", "AuthenticAMD", "HygonGenuine",
};
#if defined(__i386__) || defined(__x86_64__)
@@ -108,6 +108,7 @@ out:
fclose(fp);
/* Get some useful CPU capabilities from cpuid */
if (cpu_info->vendor != X86_VENDOR_AMD &&
+ cpu_info->vendor != X86_VENDOR_HYGON &&
cpu_info->vendor != X86_VENDOR_INTEL)
return ret;
@@ -123,8 +124,9 @@ out:
if (cpuid_level >= 6 && (cpuid_ecx(6) & 0x1))
cpu_info->caps |= CPUPOWER_CAP_APERF;
- /* AMD Boost state enable/disable register */
- if (cpu_info->vendor == X86_VENDOR_AMD) {
+ /* AMD or Hygon Boost state enable/disable register */
+ if (cpu_info->vendor == X86_VENDOR_AMD ||
+ cpu_info->vendor == X86_VENDOR_HYGON) {
if (ext_cpuid_level >= 0x80000007 &&
(cpuid_edx(0x80000007) & (1 << 9)))
cpu_info->caps |= CPUPOWER_CAP_AMD_CBP;
diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h
index afb66f80554e..dbfd763ef8a6 100644
--- a/tools/power/cpupower/utils/helpers/helpers.h
+++ b/tools/power/cpupower/utils/helpers/helpers.h
@@ -60,7 +60,7 @@ extern int be_verbose;
/* cpuid and cpuinfo helpers **************************/
enum cpupower_cpu_vendor {X86_VENDOR_UNKNOWN = 0, X86_VENDOR_INTEL,
- X86_VENDOR_AMD, X86_VENDOR_MAX};
+ X86_VENDOR_AMD, X86_VENDOR_HYGON, X86_VENDOR_MAX};
#define CPUPOWER_CAP_INV_TSC 0x00000001
#define CPUPOWER_CAP_APERF 0x00000002
diff --git a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
index c83f1606970b..08e00466a27d 100644
--- a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
+++ b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
@@ -240,7 +240,8 @@ static int init_maxfreq_mode(void)
if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_INV_TSC))
goto use_sysfs;
- if (cpupower_cpu_info.vendor == X86_VENDOR_AMD) {
+ if (cpupower_cpu_info.vendor == X86_VENDOR_AMD ||
+ cpupower_cpu_info.vendor == X86_VENDOR_HYGON) {
/* MSR_AMD_HWCR tells us whether TSC runs at P0/mperf
* freq.
* A test whether hwcr is accessable/available would be: