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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 E01F1C35641 for ; Fri, 21 Feb 2020 08:06:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4CAD20801 for ; Fri, 21 Feb 2020 08:06:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582272391; bh=J8OSz6X/3CfAu5lvqon5+DI7TzDJwMi7/bF87DT5l6c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lE2FUqu1pLUy/GQr1UksT2HBc9MM711cGE8R0GAU7h6+28cOEVu9T/VXD9SsqNG3H 0FfWfiogfSlPdfG5VDyRV/tIt3f6Nj/XSCpD2nbCTPm8bUWCHpDsvSHih3eKr6u71o FTZg2rgOsunsl/FpZx/C5/FSQidcVa97hQ7SLBj8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731828AbgBUIGa (ORCPT ); Fri, 21 Feb 2020 03:06:30 -0500 Received: from mail.kernel.org ([198.145.29.99]:40102 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731934AbgBUIGT (ORCPT ); Fri, 21 Feb 2020 03:06:19 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 30D5820801; Fri, 21 Feb 2020 08:06:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582272378; bh=J8OSz6X/3CfAu5lvqon5+DI7TzDJwMi7/bF87DT5l6c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=txsJ80V6Fa8Q4WWOfix73Yby/XK4q6BUsrYYycVdEi1K3hT43lCsvHAvXPZBTB/Ke 8Wd7zCIwlh22fGslZLu7vTrUY94+1AMfWZIe3PwyftWit2QW0kqklIWitPjYVFA4nA kKfv5Yh2VsXfTFEZW/23PcSByZHaIAiMRfYXY44I= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Daniel Drake , Bjorn Helgaas , Mika Westerberg , Sasha Levin Subject: [PATCH 5.4 121/344] PCI: Add generic quirk for increasing D3hot delay Date: Fri, 21 Feb 2020 08:38:40 +0100 Message-Id: <20200221072359.864250810@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200221072349.335551332@linuxfoundation.org> References: <20200221072349.335551332@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Daniel Drake [ Upstream commit 62fe23df067715a21c4aef44068efe7ceaa8f627 ] Separate the D3 delay increase functionality out of quirk_radeon_pm() into its own function so that it can be shared with other quirks, including the AMD Ryzen XHCI quirk that will be introduced in a followup commit. Tweak the function name and message to indicate more clearly that the delay relates to a D3hot-to-D0 transition. Link: https://lore.kernel.org/r/20191127053836.31624-1-drake@endlessm.com Signed-off-by: Daniel Drake Signed-off-by: Bjorn Helgaas Reviewed-by: Mika Westerberg Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 7afbce082d83e..5c863af9452ec 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1871,16 +1871,21 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x2609, quirk_intel_pcie_pm); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260a, quirk_intel_pcie_pm); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x260b, quirk_intel_pcie_pm); +static void quirk_d3hot_delay(struct pci_dev *dev, unsigned int delay) +{ + if (dev->d3_delay >= delay) + return; + + dev->d3_delay = delay; + pci_info(dev, "extending delay after power-on from D3hot to %d msec\n", + dev->d3_delay); +} + static void quirk_radeon_pm(struct pci_dev *dev) { if (dev->subsystem_vendor == PCI_VENDOR_ID_APPLE && - dev->subsystem_device == 0x00e2) { - if (dev->d3_delay < 20) { - dev->d3_delay = 20; - pci_info(dev, "extending delay after power-on from D3 to %d msec\n", - dev->d3_delay); - } - } + dev->subsystem_device == 0x00e2) + quirk_d3hot_delay(dev, 20); } DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6741, quirk_radeon_pm); -- 2.20.1