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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 35BE8C4332B for ; Tue, 5 Jan 2021 13:44:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0EF5422B30 for ; Tue, 5 Jan 2021 13:44:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730346AbhAENoy (ORCPT ); Tue, 5 Jan 2021 08:44:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730341AbhAENox (ORCPT ); Tue, 5 Jan 2021 08:44:53 -0500 Received: from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com [IPv6:2a00:1450:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3CE47C061798 for ; Tue, 5 Jan 2021 05:44:13 -0800 (PST) Received: by mail-wr1-x42b.google.com with SMTP id q18so36283978wrn.1 for ; Tue, 05 Jan 2021 05:44:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=/Xh8qZOWXZauoXa9vZ+K50zm9g9s+n1GKQJc2m0FrV8=; b=T9snQ9bKRyo+aHfNWsQiaTwtbweBwUVEbh1FBzR8gZDwjxw5kJ6Urcd3PHcyKp/i7F YuuVOjdv/SL6s2B62e00kEz7gzKjGyM2V1HTtHWdXpI5mqFGqPxqfdRX6ZzDCk98Dz8z V5Xgz1HalBD2/m+gbbOqiROSZG74t8xD+3fXm9RHa9aIrBnOi/OGvclNG4gq3cjC7Jyw hIee/qStDHEI+TPdS8nxykvg/q4+5JRFMwVloX2jOMhP1ty/hfMDlc4ymKMzyfJpWahd b74rKOQUOVrhYyGJB4NoBfxZKS7F5XZvn1Z0ajOcrwYWX4skrHOFTFE7Qte7E80ToxCw BD7g== 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=/Xh8qZOWXZauoXa9vZ+K50zm9g9s+n1GKQJc2m0FrV8=; b=XSqxVisGkgQPFsC6S1+liRCXhbEH8EalWdmIRwOVPUM7f65As4IeQEhjkCRraferjj 7d65n4rTYb7Sl9aWstHKbuh06OtZZ+5F9Qd0+nBgCPXkefvblQXxos4vT0Ta8X5zBFlg Tc34hiB7vSzvXDixGNN6uAyvOaHUtDbuVh4DXHRiR32FZJmqjn3n9OQ3vfxkZ82KoIe2 J2SJ0SBPbvVjnDLfBjpGr3rbPvR8FdkK+yBw2IY4XYwlwe35PBjVHjJ2pJejzNH1HYlq ed2WaQK5yMmkHigfB/KqltySWox4hGZX+c9b4kzPk98QE6ASER2oJblBgu/guUGtUIP9 bWxQ== X-Gm-Message-State: AOAM531he7jheS3mjZJBX2CgrlnGRi/9V5kL+8DYyo9WPI/7FNsRBAn+ hOS6Q2v4AEU3IJcgRnCuciU= X-Google-Smtp-Source: ABdhPJwLkmDD5Zg3fZC6NkuylnaqkeVxjvv3JjNRuhSiiF+n5kQbFv7JVfDkAm/Kbhghi2ev482tTQ== X-Received: by 2002:adf:dc10:: with SMTP id t16mr80583385wri.345.1609854252040; Tue, 05 Jan 2021 05:44:12 -0800 (PST) Received: from abel.fritz.box ([2a02:908:1252:fb60:3137:60b9:8d8f:7f55]) by smtp.gmail.com with ESMTPSA id l20sm102191243wrh.82.2021.01.05.05.44.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Jan 2021 05:44:11 -0800 (PST) From: "=?UTF-8?q?Christian=20K=C3=B6nig?=" X-Google-Original-From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: bhelgaas@google.com Cc: devspam@moreofthesa.me.uk, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-pci@vger.kernel.org Subject: [PATCH 4/4] PCI: add a REBAR size quirk for Sapphire RX 5600 XT Pulse. Date: Tue, 5 Jan 2021 14:44:04 +0100 Message-Id: <20210105134404.1545-5-christian.koenig@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210105134404.1545-1-christian.koenig@amd.com> References: <20210105134404.1545-1-christian.koenig@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Otherwise the CPU can't fully access the BAR. Signed-off-by: Christian König --- drivers/pci/pci.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 16216186b51c..b66e4703c214 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -3577,7 +3577,14 @@ u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar) return 0; pci_read_config_dword(pdev, pos + PCI_REBAR_CAP, &cap); - return (cap & PCI_REBAR_CAP_SIZES) >> 4; + cap = (cap & PCI_REBAR_CAP_SIZES) >> 4; + + /* Sapphire RX 5600 XT Pulse has an invalid cap dword for BAR 0 */ + if (pdev->vendor == PCI_VENDOR_ID_ATI && pdev->device == 0x731f && + bar == 0 && cap == 0x700) + cap == 0x7f00; + + return cap; } EXPORT_SYMBOL(pci_rebar_get_possible_sizes); -- 2.25.1