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

Commit 202e683 ("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 <[email protected]>
Acked-by: Huang Rui <[email protected]>
Reviewed-by: Yuan Perry <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>

Author: khfeng

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;
 	}