cpufreq: amd-pstate: Let user know amd-pstate is disabled

Commit 202e683df37c ("cpufreq: amd-pstate: add amd-pstate driver
parameter for mode selection") changed the driver to be disabled by
default, and this can surprise users.

Let users know what happened so they can decide what to do next.

Link: https://bugs.launchpad.net/bugs/2006942
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Yuan Perry <Perry.Yuan@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 45c88894fd8e65ab7ebed2e48cd889202ff8a402..f965f54f7ae71669ea06032a69bd588bb28af9dc 100644 (file)
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -1263,7 +1263,7 @@ static int __init amd_pstate_init(void)
         * with amd_pstate=passive or other modes in kernel command line
         */
        if (cppc_state == AMD_PSTATE_DISABLE) {
-               pr_debug("driver load is disabled, boot with specific mode to enable this\n");
+               pr_info("driver load is disabled, boot with specific mode to enable this\n");
                return -ENODEV;
        }