From patchwork Wed Dec 8 07:46:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: CGEL X-Patchwork-Id: 12663861 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7F80CC433EF for ; Wed, 8 Dec 2021 07:46:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B3A646EC0A; Wed, 8 Dec 2021 07:46:30 +0000 (UTC) Received: from mail-pj1-x102c.google.com (mail-pj1-x102c.google.com [IPv6:2607:f8b0:4864:20::102c]) by gabe.freedesktop.org (Postfix) with ESMTPS id E3B3E6EC09; Wed, 8 Dec 2021 07:46:28 +0000 (UTC) Received: by mail-pj1-x102c.google.com with SMTP id fv9-20020a17090b0e8900b001a6a5ab1392so1453347pjb.1; Tue, 07 Dec 2021 23:46:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=NtweuKbs2MfZWpt5xIw7VULyGKHm7TbvXq2wNntSpHI=; b=gdVTOE/ai17mTSNNToyDWKlCUDe3++Fiq5333dNqaAZWFllNV6wdTeIwHnGFpLcNt6 mo9untbxCaZANNouIWrm0+XYHyL7jbUDZbD7Z96FckR9nrlspVLyrQdmcYJvxcQyiz0t xMbllJcj+WLCGpADoGyoXZLghlq/OFM5MI+CADL4EvoS0KI657CePJDMpuhVEsduyZIw sIhM4sloq0D5x/XO7VRtzoe9bQ65XQ3UyOkr6/bZ8EUhjso6F6RDnDzJA6qANE0s/gCU zrmoCq8PTAP4gxW6+kzQmoAsl/Za+ZMHvzw8ZtqGEGAmMUjXj0ZLaArx9A7Ga+VI3G/L wXTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=NtweuKbs2MfZWpt5xIw7VULyGKHm7TbvXq2wNntSpHI=; b=VDKUP2kleltevLDj8aE3N2mPU0768zPdqTzTpIV3z6zo8NFMmSP/asvfjX8tNuHalV Tkx5+teHxcbipFLYmWFD7qf/NBGQcqLQXwBDhrNtSOI8t4DEK4tuNIVg6PH/7/E7Ihs8 9reFu3MnArAAF87u8D23JRAKcT08xBDD6PynUpQynO0HmTYVgiZtt4tbdc70OLOHx1jO kAC+XmPgGrW+sXBx6q/MD4FwirEEa8zBxCQrRKpTFxRT1m06FnkFTNARhJt/Wm2kBrh2 x9ZowVET0SSsD7old767C/garOcYuA4DOMklGOhTMt94TuAamJfUjVqGAM6bUWag/PU/ Hq3Q== X-Gm-Message-State: AOAM532xrDFd8Sj0L97sKRg15Nkt1IiFyw42qIseFTWnJPZviPvQ1Hob cP0442wVBYdj2aPvVRHW2vg= X-Google-Smtp-Source: ABdhPJxLWUdY5+jg/o/MLuMbGm2XLR0ZC+WwijUBNG7QGGTXHMPXPQn3tyTHWqsMJ0cS3qdtZXeTXg== X-Received: by 2002:a17:90a:e016:: with SMTP id u22mr5113888pjy.95.1638949588555; Tue, 07 Dec 2021 23:46:28 -0800 (PST) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id j16sm1673681pga.32.2021.12.07.23.46.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Dec 2021 23:46:28 -0800 (PST) From: cgel.zte@gmail.com X-Google-Original-From: luo.penghao@zte.com.cn To: Jani Nikula Subject: [PATCH linux-next] drm/i915/display: Delete redundant post_mask assignment Date: Wed, 8 Dec 2021 07:46:19 +0000 Message-Id: <20211208074619.404138-1-luo.penghao@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Stephen Rothwell , David Airlie , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, luo penghao , Rodrigo Vivi , Zeal Robot Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: luo penghao This value will be overwritten by the following if statement, even if the if is not executed, the value will not be used The clang_analyzer complains as follows: Value stored to 'port_mask' is never read Reported-by: Zeal Robot Signed-off-by: luo penghao --- drivers/gpu/drm/i915/display/intel_ddi.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index bd18432..3aad0c3 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -2011,7 +2011,6 @@ void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) return; } - port_mask = BIT(encoder->port); ddi_clk_needed = encoder->base.crtc; if (encoder->type == INTEL_OUTPUT_DSI) {