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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-kernel-mentees-bounces@lists.linuxfoundation.org Sender: "Linux-kernel-mentees" [AMD Official Use Only - General] Then please update commit message, this change is due to "value r is never used, and remove unnecessary assignment", that makes sense to me. Thanks Ruijing -----Original Message----- From: Khalid Masum Sent: Monday, August 15, 2022 11:54 AM To: Dong, Ruijing ; amd-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org; linux-kernel@vger.kernel.org; linux-kernel-mentees@lists.linuxfoundation.org Cc: Deucher, Alexander ; Koenig, Christian ; Pan, Xinhui ; David Airlie ; Daniel Vetter ; Zhu, James ; Jiang, Sonny ; Wan Jiabing ; Liu, Leo Subject: Re: [PATCH linux-next] drm/amdgpu/vcn: Remove unused assignment in vcn_v4_0_stop On 8/15/22 21:17, Dong, Ruijing wrote: > [AMD Official Use Only - General] > > If the condition was met and it came to execute vcn_4_0_stop_dpg_mode, then it would never have a chance to go for /*wait for vcn idle*/, isn't it? Hypothetically, some other thread might set adev->pg_flags NULL and in that case it will get the chance to go for /* wait for vcn idle */. > I still didn't see obvious purpose of this change. > > if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) { > ==> r = vcn_v4_0_stop_dpg_mode(adev, i); Regardless of that, this assignment to r is unnecessary. Because this value of r is never used. This patch simply removes this unnecessary assignment. > continue; > } > > /* wait for vcn idle */ > r = SOC15_WAIT_ON_RREG(VCN, i, regUVD_STATUS, UVD_STATUS__IDLE, 0x7); > > Thanks > Ruijing > Thanks, -- Khalid Masum _______________________________________________ Linux-kernel-mentees mailing list Linux-kernel-mentees@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees 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 18D0AC00140 for ; Mon, 15 Aug 2022 16:00:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0C68CC30FC; Mon, 15 Aug 2022 16:00:38 +0000 (UTC) Received: from NAM10-BN7-obe.outbound.protection.outlook.com (mail-bn7nam10on2087.outbound.protection.outlook.com [40.107.92.87]) by gabe.freedesktop.org (Postfix) with ESMTPS id 39EAACD3FB; 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