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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,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 134AFC0018C for ; Fri, 11 Dec 2020 00:55:17 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A2F1E23DB4 for ; Fri, 11 Dec 2020 00:55:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A2F1E23DB4 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=moreofthesa.me.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=amd-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5A4496E5C1; Fri, 11 Dec 2020 00:55:12 +0000 (UTC) Received: from spam.moreofthesa.me.uk (moreofthesa.me.uk [IPv6:2001:8b0:897:1651::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 97CC96E5B0 for ; Fri, 11 Dec 2020 00:55:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=moreofthesa.me.uk; s=201708; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=S++5raZLvfPMXX3uGwnz/PCZiqtMN6zk21K+ikqAPAQ=; b=STwEwayx+V1SkUGDEjbl6lBtHF Iqaw51t9sFde30hJCDgW5pDboNyuj5S/88JRtyDxiH75sJki1MS9mesfuek+cvAqkdMEu3SsXgkr5 VZBD+bi8Dk0Y7HbfVNAda0RhYP6EuYoigRuyVOtXEO9GYjSy7VCvG40FBRi8Vv4AXB9Spdq+xvCyc uhZ9YuUyPHPwuMgvjI3HxNg7JBXIBYBe7aId3iIyhcaGfQYSHs5+M8kNLh6ALEIcBcXDKhJIvo6fM 5uNcnES1CrlSgtPOLm8/iPgrL9TPEx2fq4sRS8I0HCJxB9wcsd9I8BLlISaNkhPH6J/CsTl0CqiBA ohomi+wA==; Received: from [2001:8b0:897:1650::2] (helo=flibble.moreofthesa.me.uk) by spam.moreofthesa.me.uk with esmtp (Exim 4.92) (envelope-from ) id 1knWiA-0002lw-T1; Fri, 11 Dec 2020 00:55:06 +0000 From: Darren Salt To: amd-gfx@lists.freedesktop.org Subject: [PATCH 2/7] pci: add BAR bytes->size helper & expose size->bytes helper Date: Fri, 11 Dec 2020 00:55:01 +0000 Message-Id: <20201211005506.4554-3-devspam@moreofthesa.me.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201211005506.4554-1-devspam@moreofthesa.me.uk> References: <20201211005506.4554-1-devspam@moreofthesa.me.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:8b0:897:1650::2 X-SA-Exim-Mail-From: devspam@moreofthesa.me.uk X-SA-Exim-Scanned: No (on spam.moreofthesa.me.uk); SAEximRunCond expanded to false X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Darren Salt Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" This is to assist driver modules which do BAR resizing. Signed-off-by: Darren Salt --- drivers/pci/pci.h | 4 ---- include/linux/pci.h | 9 +++++++++ 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 8373d94414e9..9a3837a30369 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -609,10 +609,6 @@ int acpi_get_rc_resources(struct device *dev, const char *hid, u16 segment, #endif int pci_rebar_set_size(struct pci_dev *pdev, int bar, int size); -static inline u64 pci_rebar_size_to_bytes(int size) -{ - return 1ULL << (size + 20); -} struct device_node; diff --git a/include/linux/pci.h b/include/linux/pci.h index 5aa035622741..5eee18969fe8 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1227,6 +1227,15 @@ int __must_check pci_assign_resource(struct pci_dev *dev, int i); int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align); void pci_release_resource(struct pci_dev *dev, int resno); +static __always_inline int pci_rebar_bytes_to_size(u64 bytes) +{ + bytes = roundup_pow_of_two(bytes); + return order_base_2(((bytes >> 20) | 1)) - 1; +} +static __always_inline u64 pci_rebar_size_to_bytes(int size) +{ + return 1ULL << (size + 20); +} u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar); int pci_rebar_get_current_size(struct pci_dev *pdev, int bar); int __must_check pci_resize_resource(struct pci_dev *dev, int i, int size); -- 2.20.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx