From patchwork Thu Feb 23 01:30:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kai-Heng Feng X-Patchwork-Id: 656187 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21D19C636D6 for ; Thu, 23 Feb 2023 01:31:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232489AbjBWBbY (ORCPT ); Wed, 22 Feb 2023 20:31:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38036 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229795AbjBWBbX (ORCPT ); Wed, 22 Feb 2023 20:31:23 -0500 Received: from smtp-relay-canonical-1.canonical.com (smtp-relay-canonical-1.canonical.com [185.125.188.121]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C78983D90D; Wed, 22 Feb 2023 17:31:21 -0800 (PST) Received: from localhost.localdomain (unknown [10.101.196.174]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-1.canonical.com (Postfix) with ESMTPSA id 3C56D4214D; Thu, 23 Feb 2023 01:31:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1677115879; bh=d/ifL75wKQnZuQURhIP2TmmZmuFYuchbACzMuBuy/+Y=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=X4A6RT/9QXidUEGAMn6bLMVrt8pEKCkBe/PMtYs7JVaVnSV3HQp3umw5H8/vJbavU B/jsp08QMnfMh65nr1H+RYcEEUwCDyRhzPeOqvb+dSVvFqXXr3vtJKQ4zL4P4/higb VPfKFHO0Jyt4S1CTosWfAycCpdr5BrR0WJXguxTAEg4YOH2C6QDHcywAxFe90OFbOo YlNqxQp8LrARKJGVBAMmTCx4Yp+14smQPf8+4tBWX6kX8ivd9W/3RUjcdsOqXxGGiJ j/hPmovsdJsRdoHVuGaIO1fGyZrwNH3Rp9DO90DGW6R1+w0Ds4Fr8KL1kzySx/38U2 DVhd1fd+IS2gg== From: Kai-Heng Feng To: ray.huang@amd.com Cc: mario.limonciello@amd.com, Kai-Heng Feng , "Rafael J. Wysocki" , Viresh Kumar , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] cpufreq: amd-pstate: Let user know amd-pstate is disabled Date: Thu, 23 Feb 2023 09:30:32 +0800 Message-Id: <20230223013032.2011601-1-kai.heng.feng@canonical.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Commit 202e683df37c ("cpufreq: amd-pstate: add amd-pstate driver parameter for mode selection") changed the driver to be disabled by default, and this can suprise users. Let users know what happened so they can decide what to do next. BugLink: https://bugs.launchpad.net/bugs/2006942 Signed-off-by: Kai-Heng Feng --- drivers/cpufreq/amd-pstate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 45c88894fd8e..305f73f657ed 100644 --- 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("amd_pstate is disabled, boot with specific mode to enable this\n"); return -ENODEV; }