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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 F30CFC4338F for ; Tue, 24 Aug 2021 17:26:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB8786023B for ; Tue, 24 Aug 2021 17:26:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241249AbhHXR1X (ORCPT ); Tue, 24 Aug 2021 13:27:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:34268 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239803AbhHXRZP (ORCPT ); Tue, 24 Aug 2021 13:25:15 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 190BB61B3C; Tue, 24 Aug 2021 17:04:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1629824648; bh=rZRVkqx2KcoblTLwuqVAd1Ph3EB/6MjoXiQ6J7VXZs4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ih821WY4mEOdXsGkWvbkDZ96m8eE08O2IW/nh6HKPpv+k2bTx5bY4UeK95ed60I8z 0Vl6Pq6+dcXPtL6RYbSXefg8NxKHbZjgt7qRbe0dzFHql4ps16Dj4geBhX4YIrycG5 3LZgYb5Ag/vdeP/WmC9SN5hT/80R8++AKIzWsb6WvBrJawWVpiV/cBY2qebXRDfDQH O/rDysu1URJAgCZ1ZiT71QK6ln60A4rL/IeZHxVHdq4/SwXQC+Pt4Ofz03qF0ORQCt oTD+TOcyvvxc+JzXu4HP5Hc08WNfFhJ70PsCnw0ubh3HdAZ5VJ5DpH5QL622iprk08 5BZHMY3SBJgEw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Marcin Bachry , Alex Deucher , Bjorn Helgaas , Mario Limonciello , Prike Liang , Shyam Sundar S K , Sasha Levin Subject: [PATCH 4.19 79/84] PCI: Increase D3 delay for AMD Renoir/Cezanne XHCI Date: Tue, 24 Aug 2021 13:02:45 -0400 Message-Id: <20210824170250.710392-80-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210824170250.710392-1-sashal@kernel.org> References: <20210824170250.710392-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.205-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-4.19.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 4.19.205-rc1 X-KernelTest-Deadline: 2021-08-26T17:02+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Marcin Bachry [ Upstream commit e0bff43220925b7e527f9d3bc9f5c624177c959e ] The Renoir XHCI controller apparently doesn't resume reliably with the standard D3hot-to-D0 delay. Increase it to 20ms. [Alex: I talked to the AMD USB hardware team and the AMD Windows team and they are not aware of any HW errata or specific issues. The HW works fine in Windows. I was told Windows uses a rather generous default delay of 100ms for PCI state transitions.] Link: https://lore.kernel.org/r/20210722025858.220064-1-alexander.deucher@amd.com Signed-off-by: Marcin Bachry Signed-off-by: Alex Deucher Signed-off-by: Bjorn Helgaas Cc: stable@vger.kernel.org Cc: Mario Limonciello Cc: Prike Liang Cc: Shyam Sundar S K Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index f287a9f919da..7e873b6b7d55 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1882,6 +1882,7 @@ static void quirk_ryzen_xhci_d3hot(struct pci_dev *dev) } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x15e0, quirk_ryzen_xhci_d3hot); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x15e1, quirk_ryzen_xhci_d3hot); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x1639, quirk_ryzen_xhci_d3hot); #ifdef CONFIG_X86_IO_APIC static int dmi_disable_ioapicreroute(const struct dmi_system_id *d) -- 2.30.2