Commit db5dadb5 authored May 04, 2026 by Mario Limonciello Committed by Rafael J. Wysocki May 08, 2026

Revert "ACPI: CPPC: Adjust debug messages in amd_set_max_freq_ratio() to warn"



Some older systems don't support CPPC in the firmware and this just makes
noise for them when booting.  Drop back to debug.

This reverts commit 21fb59ab.

Fixes: 21fb59ab ("ACPI: CPPC: Adjust debug messages in amd_set_max_freq_ratio() to warn")
Suggested-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Kim Phillips <kim.phillips@amd.com>
Cc: All applicable <stable@vger.kernel.org>
Link: https://patch.msgid.link/20260504230141.484743-2-mario.limonciello@amd.com


Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent 7fd2df20

arch/x86/kernel/acpi/cppc.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -88,19 +88,19 @@ static void amd_set_max_freq_ratio(void)

		rc = cppc_get_perf_caps(0, &perf_caps);
		if (rc) {
		pr_warn("Could not retrieve perf counters (%d)\n", rc);
		pr_debug("Could not retrieve perf counters (%d)\n", rc);
		return;
		}

		rc = amd_get_boost_ratio_numerator(0, &numerator);
		if (rc) {
		pr_warn("Could not retrieve highest performance (%d)\n", rc);
		pr_debug("Could not retrieve highest performance (%d)\n", rc);
		return;
		}
		nominal_perf = perf_caps.nominal_perf;

		if (!nominal_perf) {
		pr_warn("Could not retrieve nominal performance\n");
		pr_debug("Could not retrieve nominal performance\n");
		return;
		}