From patchwork Fri May 1 13:20:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 226502 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, 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 997A7C47253 for ; Fri, 1 May 2020 13:57:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 777D320708 for ; Fri, 1 May 2020 13:57:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588341445; bh=nceTqLdVboUOGm/PsS40NdeWfzI7F31Pjt262b0fQus=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=d4ltP8Eosu7rooBTl38LwgMzQY5g3bxWakRJwuNBnNQQ0LIoM9xd+UAa+510O8TB/ YJyCT1j0SBdlA4JiscTJYSl73sONyqGua48v9gAyU5kY9pni/W3/IEFhqmzuitKGf7 eDQPTGoixTfEkB/MnsH0YZXrRJufcFATM5rH0IUE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730123AbgEANbZ (ORCPT ); Fri, 1 May 2020 09:31:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:55994 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730117AbgEANbY (ORCPT ); Fri, 1 May 2020 09:31:24 -0400 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 5DD4424967; Fri, 1 May 2020 13:31:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588339883; bh=nceTqLdVboUOGm/PsS40NdeWfzI7F31Pjt262b0fQus=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0i4PKmNspxFiTbdNOon91keIPc0k45/hs27VP7tUpF4OkUlcwEl7ySYhiQMEf+5tB HHgOeMqflShiAH/760IAfPg4sObV6doxb6t4hWNCjjufPd2DRbsCSR5n08P0HXmdkM 8XColAf8H+znLtXu6VnfCyRXskjh6VS5mc3kO36s= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Rob Clark , Fabio Estevam , Guenter Roeck Subject: [PATCH 4.14 005/117] drm/msm: Use the correct dma_sync calls harder Date: Fri, 1 May 2020 15:20:41 +0200 Message-Id: <20200501131545.973539612@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200501131544.291247695@linuxfoundation.org> References: <20200501131544.291247695@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Rob Clark commit 9f614197c744002f9968e82c649fdf7fe778e1e7 upstream. Looks like the dma_sync calls don't do what we want on armv7 either. Fixes: Unable to handle kernel paging request at virtual address 50001000 pgd = (ptrval) [50001000] *pgd=00000000 Internal error: Oops: 805 [#1] SMP ARM Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.3.0-rc6-00271-g9f159ae07f07 #4 Hardware name: Freescale i.MX53 (Device Tree Support) PC is at v7_dma_clean_range+0x20/0x38 LR is at __dma_page_cpu_to_dev+0x28/0x90 pc : [] lr : [] psr: 20000013 sp : d80b5a88 ip : de96c000 fp : d840ce6c r10: 00000000 r9 : 00000001 r8 : d843e010 r7 : 00000000 r6 : 00008000 r5 : ddb6c000 r4 : 00000000 r3 : 0000003f r2 : 00000040 r1 : 50008000 r0 : 50001000 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 10c5387d Table: 70004019 DAC: 00000051 Process swapper/0 (pid: 1, stack limit = 0x(ptrval)) Signed-off-by: Rob Clark Fixes: 3de433c5b38a ("drm/msm: Use the correct dma_sync calls in msm_gem") Tested-by: Fabio Estevam Cc: Guenter Roeck Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/msm/msm_gem.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -61,7 +61,7 @@ static void sync_for_device(struct msm_g { struct device *dev = msm_obj->base.dev->dev; - if (get_dma_ops(dev)) { + if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) { dma_sync_sg_for_device(dev, msm_obj->sgt->sgl, msm_obj->sgt->nents, DMA_BIDIRECTIONAL); } else { @@ -74,7 +74,7 @@ static void sync_for_cpu(struct msm_gem_ { struct device *dev = msm_obj->base.dev->dev; - if (get_dma_ops(dev)) { + if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) { dma_sync_sg_for_cpu(dev, msm_obj->sgt->sgl, msm_obj->sgt->nents, DMA_BIDIRECTIONAL); } else {