diff mbox series

[v4,06/15] xen/cpufreq: disable px statistic info in amd-cppc mode

Message ID 20250414074056.3696888-7-Penny.Zheng@amd.com (mailing list archive)
State New
Headers show
Series amd-cppc CPU Performance Scaling Driver | expand

Commit Message

Penny, Zheng April 14, 2025, 7:40 a.m. UTC 
We need to bypass construction of px statistic info in
cpufreq_statistic_init() for amd-cppc mode, as P-states is not necessary there.

Signed-off-by: Penny Zheng <Penny.Zheng@amd.com>
---
v3 -> v4:
- remove unnecessary stub for cpufreq_statistic_exit()
---
 xen/drivers/cpufreq/utility.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/xen/drivers/cpufreq/utility.c b/xen/drivers/cpufreq/utility.c
index e690a484f1..b35e2eb1b6 100644
--- a/xen/drivers/cpufreq/utility.c
+++ b/xen/drivers/cpufreq/utility.c
@@ -98,6 +98,9 @@  int cpufreq_statistic_init(unsigned int cpu)
     if ( !pmpt )
         return -EINVAL;
 
+    if ( !(pmpt->init & XEN_PX_INIT) )
+        return 0;
+
     spin_lock(cpufreq_statistic_lock);
 
     pxpt = per_cpu(cpufreq_statistic_data, cpu);