36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From ea1821eae465dfff9a9ef90662c2ce79e5abfe6e Mon Sep 17 00:00:00 2001
|
|
From: Mario Limonciello <mario.limonciello@amd.com>
|
|
Date: Wed, 26 Feb 2025 01:49:17 -0600
|
|
Subject: cpufreq/amd-pstate: Show a warning when a CPU fails to setup
|
|
|
|
I came across a system that MSR_AMD_CPPC_CAP1 for some CPUs isn't
|
|
populated. This is an unexpected behavior that is most likely a
|
|
BIOS bug. In the event it happens I'd like users to report bugs
|
|
to properly root cause and get this fixed.
|
|
|
|
Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
|
|
Reviewed-by: Dhananjay Ugwekar <dhananjay.ugwekar@amd.com>
|
|
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
|
|
---
|
|
drivers/cpufreq/amd-pstate.c | 2 ++
|
|
1 file changed, 2 insertions(+)
|
|
|
|
--- a/drivers/cpufreq/amd-pstate.c
|
|
+++ b/drivers/cpufreq/amd-pstate.c
|
|
@@ -1028,6 +1028,7 @@ static int amd_pstate_cpu_init(struct cp
|
|
free_cpudata2:
|
|
freq_qos_remove_request(&cpudata->req[0]);
|
|
free_cpudata1:
|
|
+ pr_warn("Failed to initialize CPU %d: %d\n", policy->cpu, ret);
|
|
kfree(cpudata);
|
|
return ret;
|
|
}
|
|
@@ -1521,6 +1522,7 @@ static int amd_pstate_epp_cpu_init(struc
|
|
return 0;
|
|
|
|
free_cpudata1:
|
|
+ pr_warn("Failed to initialize CPU %d: %d\n", policy->cpu, ret);
|
|
kfree(cpudata);
|
|
return ret;
|
|
}
|