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 X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 787AEC432BE for ; Mon, 9 Aug 2021 02:52:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59ED960C3F for ; Mon, 9 Aug 2021 02:52:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232208AbhHICwc (ORCPT ); Sun, 8 Aug 2021 22:52:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229891AbhHICwb (ORCPT ); Sun, 8 Aug 2021 22:52:31 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 831F4C061757 for ; Sun, 8 Aug 2021 19:52:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-ID:Content-Description:In-Reply-To:References; bh=VeEVmBRhzJwW70EXgz8gikTw4yYG1nvlogdYjeiVpsY=; b=YnLj9xWw2JGrkNfvnL7ajlkaWO OHfCYu/H3paOjWTTm3R9Q0TCUKc4/sJW1WLNiJsJU2Yjmqd99cewf3FtAWx9HaYethq0DtxYoImb/ MH9PcVwK9EWewy+TqcYJjsicQzTDdswWnvcR2fXKUzKNd3Y58skkHlMi7eu+R332A+7Qy7oQ1dOiB Mztv7CK9aqmBuhrUoxVMMJ3Rq06r89SM8rRiI9TTF2a8lVflfX7Us0tz1O3klXf2P0eDTXSbMMtG8 Q4Uc7Q5AgJRlJOHanwYxwAgZfPt5jfbzh+qtXC3WwRHRf9T0+A3aYGNAeoWCFrke4Ej9mIlAmDKgG u/vM7qSg==; Received: from [2601:1c0:6280:3f0::aa0b] (helo=bombadil.infradead.org) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mCvOb-00GxMm-Mr; Mon, 09 Aug 2021 02:52:09 +0000 From: Randy Dunlap To: linux-kernel@vger.kernel.org Cc: Randy Dunlap , Wyatt Wood , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Harry Wentland , Leo Li , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, David Airlie , Daniel Vetter Subject: [PATCH] drm/amd/display: use do-while-0 for DC_TRACE_LEVEL_MESSAGE() Date: Sun, 8 Aug 2021 19:52:08 -0700 Message-Id: <20210809025208.10182-1-rdunlap@infradead.org> X-Mailer: git-send-email 2.31.1 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 Building with W=1 complains about an empty 'else' statement, so use the usual do-nothing-while-0 loop to quieten this warning. ../drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_psr.c:113:53: warning: suggest braces around empty body in an 'else' statement [-Wempty-body] 113 | *state, retry_count); Fixes: b30eda8d416c ("drm/amd/display: Add ETW log to dmub_psr_get_state") Signed-off-by: Randy Dunlap Cc: Wyatt Wood Cc: Alex Deucher Cc: Christian König Cc: "Pan, Xinhui" Cc: Harry Wentland Cc: Leo Li Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Cc: David Airlie Cc: Daniel Vetter --- drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-next-20210806.orig/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c +++ linux-next-20210806/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c @@ -29,7 +29,7 @@ #include "dmub/dmub_srv.h" #include "core_types.h" -#define DC_TRACE_LEVEL_MESSAGE(...) /* do nothing */ +#define DC_TRACE_LEVEL_MESSAGE(...) do {} while (0) /* do nothing */ #define MAX_PIPES 6