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linux/debian/patches/patchset-pf/amd-pstate/0018-cpufreq-amd-pstate-ut-Allow-lowest-nonlinear-and-low.patch
2025-03-27 01:51:30 +03:00

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From 310f8a994f55561902e5a75ff8623988921e3908 Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@amd.com>
Date: Wed, 26 Feb 2025 01:49:23 -0600
Subject: cpufreq/amd-pstate-ut: Allow lowest nonlinear and lowest to be the
same
Several Ryzen AI processors support the exact same value for lowest
nonlinear perf and lowest perf. Loosen up the unit tests to allow this
scenario.
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-ut.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/cpufreq/amd-pstate-ut.c
+++ b/drivers/cpufreq/amd-pstate-ut.c
@@ -184,7 +184,7 @@ static void amd_pstate_ut_check_perf(u32
if (!((highest_perf >= nominal_perf) &&
(nominal_perf > lowest_nonlinear_perf) &&
- (lowest_nonlinear_perf > lowest_perf) &&
+ (lowest_nonlinear_perf >= lowest_perf) &&
(lowest_perf > 0))) {
amd_pstate_ut_cases[index].result = AMD_PSTATE_UT_RESULT_FAIL;
pr_err("%s cpu%d highest=%d >= nominal=%d > lowest_nonlinear=%d > lowest=%d > 0, the formula is incorrect!\n",
@@ -217,7 +217,7 @@ static void amd_pstate_ut_check_freq(u32
if (!((policy->cpuinfo.max_freq >= cpudata->nominal_freq) &&
(cpudata->nominal_freq > cpudata->lowest_nonlinear_freq) &&
- (cpudata->lowest_nonlinear_freq > policy->cpuinfo.min_freq) &&
+ (cpudata->lowest_nonlinear_freq >= policy->cpuinfo.min_freq) &&
(policy->cpuinfo.min_freq > 0))) {
amd_pstate_ut_cases[index].result = AMD_PSTATE_UT_RESULT_FAIL;
pr_err("%s cpu%d max=%d >= nominal=%d > lowest_nonlinear=%d > min=%d > 0, the formula is incorrect!\n",