diff options
| author | K Prateek Nayak <kprateek.nayak@amd.com> | 2026-05-08 05:17:45 +0000 |
|---|---|---|
| committer | Mario Limonciello (AMD) <superm1@kernel.org> | 2026-05-08 00:30:50 -0500 |
| commit | c5eed6ddc757e477f52b3d99bfde9e59975c72ca (patch) | |
| tree | ed42a9cc395e4ed86bce6a41fa4627d70b2fe26e /drivers/cpufreq | |
| parent | 87d2a8dec0f02b200eb3527da0ab11ba4d4e7deb (diff) | |
cpufreq/amd-pstate: Allow writes to dynamic_epp when state isn't modified
Writing the current "dynamic_epp" state to sysfs fails with -EINVAL even
though the desired result was achieved. Allow writes to "dynamic_epp"
that does not modify the state.
Fixes: e30ca6dd5345 ("cpufreq/amd-pstate: Add dynamic energy performance preference")
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: K Prateek Nayak <kprateek.nayak@amd.com>
Link: https://lore.kernel.org/r/20260508051748.10484-4-kprateek.nayak@amd.com
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 72514be2f30f..462ddad7bc79 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1832,8 +1832,9 @@ static ssize_t dynamic_epp_store(struct device *a, struct device_attribute *b, return -EINVAL; } + /* Nothing to do */ if (dynamic_epp == enabled) - return -EINVAL; + return count; /* reinitialize with desired dynamic EPP value */ dynamic_epp = enabled; |