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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 C6D65C55179 for ; Thu, 5 Nov 2020 14:52:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 62D8822227 for ; Thu, 5 Nov 2020 14:52:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="TPoS4HuP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731304AbgKEOwX (ORCPT ); Thu, 5 Nov 2020 09:52:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731171AbgKEOwV (ORCPT ); Thu, 5 Nov 2020 09:52:21 -0500 Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95B43C0613CF for ; Thu, 5 Nov 2020 06:52:19 -0800 (PST) Received: by mail-wm1-x344.google.com with SMTP id p22so1864928wmg.3 for ; Thu, 05 Nov 2020 06:52:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=PcLLONpboZvUTN2aQG6zfp2ux20ADiydIBkQhnQ1U2o=; b=TPoS4HuPdYH3c9MkIFPPhTWS3RWJ96JxCEE54GBANaYyXJMNJ57387nPrvwHRDaSNm nHeUY9/F6E6+1ajLkqOBdOwSz5wlN0DSW7bnb1kM0wXtle/sPy0+QyzhHL2HmYDskP0v 5a4eQrJJ0W/tyvnCITfTXUTSFkYNhAXh+AqVcy9u1VbHeLO0Fq9Bzo0EvGqSkLe1zH+B Hsy14wy/MXLN+cEeGwCc0fsMQzhwOZlaUnyojp+zFzAx1gfvzRv+/sU1YkCrjUbRFHGj nqjP0GLiBveDIZrB3bqZAv6TFLiFeKVtaym1w8d+0ijahi4yfUnW+DsvZlU60sUcORea pq9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=PcLLONpboZvUTN2aQG6zfp2ux20ADiydIBkQhnQ1U2o=; b=QDChboNIAlak11BzrOxAOkthJrfTyPWEz6ITuNOb8xQgrlL1vQOmhbyUgzJnM5Xh/o K0LqTEVo8U7LzO8wWbBSr/rWPrMGNJKJhhcaAcGZoVuoqJ8mI3GGY6pSKAS6lMzCeeFY dcFatKFjppBa5AxN+EKjHT4a3q0aEY37o2HCnmUB42eCE/xiek/cjYd2IqMYwKQBHs9u BXz2KLBevtsz2T1q+8VumECGOlEgpZIvXo7LuZjqxc0nk184z/lC8qsEjxvjs1avtXyA zIEoCKu44llSrBpVHmGEtumPF5vAHOG0faRph6KqOIdl8W1VLmBXN7o4JEjTizGIpkAJ x0aw== X-Gm-Message-State: AOAM532jaELOjl7R+Ar7fRRcp1QRp6a1iPGVDjroEqeojufJIj4VUP1a imXDYjOdnJ+X+ocv+FrjJoqF2A== X-Google-Smtp-Source: ABdhPJx1nScLQJ8+/5pp9aKW+CIR313HsjM2GzYFhafeQ2i1VZRBFeJhdHevY5Gcwa6RoHinYaOFfg== X-Received: by 2002:a1c:a7ce:: with SMTP id q197mr3190860wme.138.1604587938324; Thu, 05 Nov 2020 06:52:18 -0800 (PST) Received: from dell.default ([91.110.221.242]) by smtp.gmail.com with ESMTPSA id f5sm2631243wmh.16.2020.11.05.06.52.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Nov 2020 06:52:17 -0800 (PST) From: Lee Jones To: lee.jones@linaro.org Cc: linux-kernel@vger.kernel.org, Philipp Zabel , David Airlie , Daniel Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , dri-devel@lists.freedesktop.org Subject: [PATCH 03/19] gpu: drm: imx: ipuv3-plane: Mark 'crtc_state' as __always_unused Date: Thu, 5 Nov 2020 14:45:01 +0000 Message-Id: <20201105144517.1826692-4-lee.jones@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201105144517.1826692-1-lee.jones@linaro.org> References: <20201105144517.1826692-1-lee.jones@linaro.org> 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 In the macro for_each_oldnew_crtc_in_state() 'crtc_state' is provided as a container for state->crtcs[i].new_state, but is not utilised in this use-case. We cannot simply delete the variable, so here we tell the compiler that we're intentionally discarding the read value. Fixes the following W=1 kernel build warning(s): drivers/gpu/drm/imx/ipuv3-plane.c: In function ‘ipu_planes_assign_pre’: drivers/gpu/drm/imx/ipuv3-plane.c:746:42: warning: variable ‘crtc_state’ set but not used [-Wunused-but-set-variable] Cc: Philipp Zabel Cc: David Airlie Cc: Daniel Vetter Cc: Shawn Guo Cc: Sascha Hauer Cc: Pengutronix Kernel Team Cc: Fabio Estevam Cc: NXP Linux Team Cc: dri-devel@lists.freedesktop.org Signed-off-by: Lee Jones --- drivers/gpu/drm/imx/ipuv3-plane.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 8a4235d9d9f1e..acc0a3ce4992f 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -743,7 +743,7 @@ bool ipu_plane_atomic_update_pending(struct drm_plane *plane) int ipu_planes_assign_pre(struct drm_device *dev, struct drm_atomic_state *state) { - struct drm_crtc_state *old_crtc_state, *crtc_state; + struct drm_crtc_state *old_crtc_state, __always_unused *crtc_state; struct drm_plane_state *plane_state; struct ipu_plane_state *ipu_state; struct ipu_plane *ipu_plane; -- 2.25.1