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authorPu Wen <puwen@hygon.cn>2018-10-04 09:21:43 +0800
committerBorislav Petkov <bp@suse.de>2018-10-04 09:57:25 +0200
commit995d5f64b62f20f05b8e0972f07ec4d6c23333c9 (patch)
tree807fdcca9114d04a4ca5c93e315bd06f41f56415 /tools/power/cpupower/utils/idle_monitor
parentcpufreq: Add Hygon Dhyana support (diff)
downloadlinux-dev-995d5f64b62f20f05b8e0972f07ec4d6c23333c9.tar.xz
linux-dev-995d5f64b62f20f05b8e0972f07ec4d6c23333c9.zip
tools/cpupower: Add Hygon Dhyana support
The tool cpupower is useful to get CPU frequency information and monitor power stats on the Hygon Dhyana platform. So add Hygon Dhyana support to it by checking vendor and family to share the code path of AMD family 17h. Signed-off-by: Pu Wen <puwen@hygon.cn> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Shuah Khan (Samsung OSG) <shuah@kernel.org> CC: Prarit Bhargava <prarit@redhat.com> CC: Shuah Khan <shuah@kernel.org> CC: Thomas Gleixner <tglx@linutronix.de> CC: Thomas Renninger <trenn@suse.com> CC: linux-pm@vger.kernel.org Link: http://lkml.kernel.org/r/5ce86123a7b9dad925ac583d88d2f921040e859b.1538583282.git.puwen@hygon.cn
Diffstat (limited to 'tools/power/cpupower/utils/idle_monitor')
-rw-r--r--tools/power/cpupower/utils/idle_monitor/mperf_monitor.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
index d7c2a6d13dea..f2a7e9cfd577 100644
--- a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
+++ b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
@@ -241,7 +241,8 @@ 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: