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 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 4E18AC433EF for ; Fri, 14 Jan 2022 10:44:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 683C610EC34; Fri, 14 Jan 2022 10:44:04 +0000 (UTC) Received: from out30-130.freemail.mail.aliyun.com (out30-130.freemail.mail.aliyun.com [115.124.30.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id A24EF10EC34; Fri, 14 Jan 2022 10:44:02 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R201e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04400; MF=jiapeng.chong@linux.alibaba.com; NM=1; PH=DS; RN=10; SR=0; TI=SMTPD_---0V1o5G54_1642157033; Received: from localhost(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0V1o5G54_1642157033) by smtp.aliyun-inc.com(127.0.0.1); Fri, 14 Jan 2022 18:43:58 +0800 From: Jiapeng Chong To: "alexander.deucher@amd.comalexander.deucher"@amd.com Subject: [PATCH] drm/amd/display: Remove redundant initialization of dpg_width Date: Fri, 14 Jan 2022 18:43:52 +0800 Message-Id: <20220114104352.6107-1-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: , Jiapeng Chong , Xinhui.Pan@amd.com, Abaci Robot , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, ""@linux.ie, dri-devel@lists.freedesktop.org, christian.koenig@amd.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" dpg_width is being initialized to width but this is never read as dpg_width is overwritten later on. Remove the redundant initialization. Cleans up the following clang-analyzer warning: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:6020:8: warning: Value stored to 'dpg_width' during its initialization is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 497470513e76..1f8831156bc4 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -6017,7 +6017,7 @@ static void set_crtc_test_pattern(struct dc_link *link, else if (link->dc->hwss.set_disp_pattern_generator) { struct pipe_ctx *odm_pipe; int opp_cnt = 1; - int dpg_width = width; + int dpg_width; for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) opp_cnt++; -- 2.20.1.7.g153144c 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 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 C8BB0C433F5 for ; Fri, 14 Jan 2022 14:40:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1D87D10EAB1; Fri, 14 Jan 2022 14:40:08 +0000 (UTC) Received: from out30-130.freemail.mail.aliyun.com (out30-130.freemail.mail.aliyun.com [115.124.30.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id A24EF10EC34; Fri, 14 Jan 2022 10:44:02 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R201e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04400; MF=jiapeng.chong@linux.alibaba.com; NM=1; PH=DS; RN=10; SR=0; TI=SMTPD_---0V1o5G54_1642157033; Received: from localhost(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0V1o5G54_1642157033) by smtp.aliyun-inc.com(127.0.0.1); Fri, 14 Jan 2022 18:43:58 +0800 From: Jiapeng Chong To: "alexander.deucher@amd.comalexander.deucher"@amd.com Subject: [PATCH] drm/amd/display: Remove redundant initialization of dpg_width Date: Fri, 14 Jan 2022 18:43:52 +0800 Message-Id: <20220114104352.6107-1-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Fri, 14 Jan 2022 14:40:05 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: , Jiapeng Chong , Xinhui.Pan@amd.com, Abaci Robot , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, ""@linux.ie, dri-devel@lists.freedesktop.org, daniel@ffwll.ch, christian.koenig@amd.com Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" dpg_width is being initialized to width but this is never read as dpg_width is overwritten later on. Remove the redundant initialization. Cleans up the following clang-analyzer warning: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:6020:8: warning: Value stored to 'dpg_width' during its initialization is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 497470513e76..1f8831156bc4 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -6017,7 +6017,7 @@ static void set_crtc_test_pattern(struct dc_link *link, else if (link->dc->hwss.set_disp_pattern_generator) { struct pipe_ctx *odm_pipe; int opp_cnt = 1; - int dpg_width = width; + int dpg_width; for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) opp_cnt++; -- 2.20.1.7.g153144c