From patchwork Tue Apr 23 09:50:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: You-Sheng Yang X-Patchwork-Id: 1089282 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=canonical.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 44pJcj5G9Cz9sNt; Tue, 23 Apr 2019 19:51:33 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1hIs5I-0003BB-PJ; Tue, 23 Apr 2019 09:51:28 +0000 Received: from mail-pl1-f194.google.com ([209.85.214.194]) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1hIs5G-0003As-OE for kernel-team@lists.ubuntu.com; Tue, 23 Apr 2019 09:51:26 +0000 Received: by mail-pl1-f194.google.com with SMTP id d9so1336025pls.8 for ; Tue, 23 Apr 2019 02:51:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=uRivE/5SAWv3c6DKTsMCdQQDmX+KJ7K6XJIPFgkuFaE=; b=Fi4zXSY+Tk+wW8DZWc98ep+G1LGojaTxDRU9GJyi9GuHVOlaa0Mq8laMMZEKrahjz6 dwL5Wzv+sO3qrB+mwDjfSu9saiCF1gtJrlXGQLzUhW4f/gCZ5/tIK2wVwgWFMpxX5D2r eTX7zXOyO7a8uj4QiuYoP1p+qUoOsHrc+m/YEBdDrUTMoLw+28XzlS67hQnU2PsZjENF +fo9RlXmIchROe/V62WKI3/emXP5h+G/oiYN9PXhkhT3lO+5ftfASshb+AYb1D3aZp8c EUjipWIaq1i2bMIz2Gg1SvqViAPAjofD4Z9DUge+JPOb+F9fCsFa16HkPFC9wMGiTJxx AsJg== X-Gm-Message-State: APjAAAUMyCOuBVZmQ3hYZ30b0D9UjRloRWXIUM4e4Kv8MomJn4JSQrDx 5WHRt8WoLM+y7KWb784CfUOa6qT0 X-Google-Smtp-Source: APXvYqwD2mzcJ52lcy8aGpxstc4h6Po2O0jSBzlXDtb3QoErns8P0dlhDwuimsj6TAG00xgjuqJ4eQ== X-Received: by 2002:a17:902:2a4b:: with SMTP id i69mr25127417plb.292.1556013085123; Tue, 23 Apr 2019 02:51:25 -0700 (PDT) Received: from momoga.taipei.internal (61-220-137-37.HINET-IP.hinet.net. [61.220.137.37]) by smtp.gmail.com with ESMTPSA id k10sm16231453pgo.82.2019.04.23.02.51.23 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Apr 2019 02:51:23 -0700 (PDT) From: You-Sheng Yang To: kernel-team@lists.ubuntu.com Subject: [PATCH 0/1][SRU][B] PCI: Restore resized BAR state on resume Date: Tue, 23 Apr 2019 17:50:39 +0800 Message-Id: <20190423095040.20862-1-vicamo.yang@canonical.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" BugLink: https://bugs.launchpad.net/bugs/1825958 [Impact] Multiple amdgpu equipped platforms have screen freeze when resumed from S3. [Fix] d3252ace0bc6 PCI: Restore resized BAR state on resume This was landed to vanilla kernel v4.19 and has also been SRU-ed to Cosmic. [Reproduce Steps] 1. Plugged the HDMI monitor and boot 2. Enter S3 and resume from S3 3. The screen is frozen during login screen [Regression Risk] Low. Included in stable kernel v4.18.5 and is already in Cosmic as well. Christian König (1): PCI: Restore resized BAR state on resume drivers/pci/pci.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) Acked-By: AceLan Kao Acked-by: Kleber Sacilotto de Souza