From mboxrd@z Thu Jan 1 00:00:00 1970 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 1BC9DC352AA for ; Tue, 5 Apr 2022 08:55:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240101AbiDEIpm (ORCPT ); Tue, 5 Apr 2022 04:45:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44528 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232768AbiDEIFm (ORCPT ); Tue, 5 Apr 2022 04:05:42 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB217692B3; Tue, 5 Apr 2022 01:01:30 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 99D15617E1; Tue, 5 Apr 2022 08:01:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AAAD8C385A0; Tue, 5 Apr 2022 08:01:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649145689; bh=ojvLGZFzsbtZFNdv9l/KQF2iDSn6t+pXmsjbB6qP/e8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c3UTXYqelmJz5z2iaU39cYj6tDOPwgNIOZrsZDVrsgtrQj1gV2t0RP8QO7lO17O40 y2fz0g0lrCg/FtNfg2Scky5b9jXSsO3DYNbslO07Lpm6NiRI3rkehTRQq7Smvq+4qG dSV4VAecOK8Q1uB6iWkSYo+PBu4oCTbzOmOGFkks= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tom Rix , Alex Deucher , Sasha Levin Subject: [PATCH 5.17 0467/1126] drm/amd/pm: return -ENOTSUPP if there is no get_dpm_ultimate_freq function Date: Tue, 5 Apr 2022 09:20:14 +0200 Message-Id: <20220405070421.335510956@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070407.513532867@linuxfoundation.org> References: <20220405070407.513532867@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tom Rix [ Upstream commit 430e6a0212b2a0eb1de5e9d47a016fa79edf3978 ] clang static analysis reports this represenative problem amdgpu_smu.c:144:18: warning: The left operand of '*' is a garbage value return clk_freq * 100; ~~~~~~~~ ^ If there is no get_dpm_ultimate_freq function, smu_get_dpm_freq_range returns success without setting the output min,max parameters. So return an -ENOTSUPP error. Fixes: e5ef784b1e17 ("drm/amd/powerplay: revise calling chain on retrieving frequency range") Signed-off-by: Tom Rix Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index d93d28c1af95..b51368fa3025 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -138,7 +138,7 @@ int smu_get_dpm_freq_range(struct smu_context *smu, uint32_t *min, uint32_t *max) { - int ret = 0; + int ret = -ENOTSUPP; if (!min && !max) return -EINVAL; -- 2.34.1