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| author |   Perry Yuan <perry.yuan@amd.com> | 2024-04-25 16:07:57 +0800 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-04-26 19:35:38 +0200 |
| commit | 5f8f9bc4d7bc8d44031b88b548c2572b746e2611 (patch) | |
| tree | 79255ec02f905a0df748214b3380a624c534907d /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | cpufreq: amd-pstate: get transition delay and latency value from ACPI tables (diff) | |
| download | wireguard-linux-5f8f9bc4d7bc8d44031b88b548c2572b746e2611.tar.xz wireguard-linux-5f8f9bc4d7bc8d44031b88b548c2572b746e2611.zip | |
cppc_acpi: print error message if CPPC is unsupported
The amd-pstate driver can fail when _CPC objects are not supported by
the CPU. However, the current error message is ambiguous (see below) and
there is no clear way for attributing the failure of the amd-pstate
driver to the lack of CPPC support.
[ 0.477523] amd_pstate: the _CPC object is not present in SBIOS or ACPI disabled
Fix this by adding an debug message to notify the user if the amd-pstate
driver failed to load due to CPPC not be supported by the CPU
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Tested-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions