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=-14.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 1BE9BC433DB for ; Thu, 7 Jan 2021 14:23:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C309622EBF for ; Thu, 7 Jan 2021 14:23:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728734AbhAGOXl (ORCPT ); Thu, 7 Jan 2021 09:23:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:43012 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725894AbhAGOXl (ORCPT ); Thu, 7 Jan 2021 09:23:41 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 028F223355; Thu, 7 Jan 2021 14:22:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610029374; bh=oNLPJObW2d3YofpkNjkaRbAPG15OxVo1dNrFQ+tYOAk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vRO705TTCihW/nt+W1NTwTO30dWw+FCwmHKdGwCkUKgJIePLYAgeMuT7Z5ZzQ+IWn HAecnqHoHDkHHAr+gdxLjoRDxDrI9UJwRSs4s+MkMC5lT/KvTbJ2I2B0KXxFutYKYT bDPXEuPIvgn6uQy6hFIKM8cdCtaEgyJ2/UZC7/BPqCzHus/RwOSFAMDVuQ4JRBqpcq +zSrbG69307ZWYgkOvqm42COAzZIP2Jw19THIvwdobP2YJfXjDAuT0GQtHuyW8vPHT B2thw+fGL1JLK+qn+FJx+afc6yWSTv8I42k0BsZdte5J3ov0uO18kAZD/KmIJ4L+IY Ks0qTuF9ZtQYA== From: Will Deacon To: Joerg Roedel , Bjorn Andersson , Robin Murphy Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , Sai Prakash Ranjan , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, iommu@lists.linux-foundation.org Subject: Re: [PATCH] iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context Date: Thu, 7 Jan 2021 14:22:47 +0000 Message-Id: <161002864635.3143366.6483038182849083276.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210106005038.4152731-1-bjorn.andersson@linaro.org> References: <20210106005038.4152731-1-bjorn.andersson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Tue, 5 Jan 2021 16:50:38 -0800, Bjorn Andersson wrote: > On SM8150 it's occasionally observed that the boot hangs in between the > writing of SMEs and context banks in arm_smmu_device_reset(). > > The problem seems to coincide with a display refresh happening after > updating the stream mapping, but before clearing - and there by > disabling translation - the context bank picked to emulate translation > bypass. > > [...] Applied to arm64 (for-next/iommu/fixes), thanks! [1/1] iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context https://git.kernel.org/arm64/c/aded8c7c2b72 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev 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=-11.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,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 E5ADEC433E6 for ; Thu, 7 Jan 2021 14:22:59 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 8459123343 for ; Thu, 7 Jan 2021 14:22:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8459123343 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 14953274AA; Thu, 7 Jan 2021 14:22:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id L3VfApjVpPBA; Thu, 7 Jan 2021 14:22:58 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id E23E6272E3; Thu, 7 Jan 2021 14:22:57 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id BBAA1C1DA7; Thu, 7 Jan 2021 14:22:57 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 6C42AC088B for ; Thu, 7 Jan 2021 14:22:56 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 4999C2042D for ; Thu, 7 Jan 2021 14:22:56 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lS2+RQBB6iJM for ; Thu, 7 Jan 2021 14:22:55 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by silver.osuosl.org (Postfix) with ESMTPS id 2F6DB272E3 for ; Thu, 7 Jan 2021 14:22:55 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 028F223355; Thu, 7 Jan 2021 14:22:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610029374; bh=oNLPJObW2d3YofpkNjkaRbAPG15OxVo1dNrFQ+tYOAk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vRO705TTCihW/nt+W1NTwTO30dWw+FCwmHKdGwCkUKgJIePLYAgeMuT7Z5ZzQ+IWn HAecnqHoHDkHHAr+gdxLjoRDxDrI9UJwRSs4s+MkMC5lT/KvTbJ2I2B0KXxFutYKYT bDPXEuPIvgn6uQy6hFIKM8cdCtaEgyJ2/UZC7/BPqCzHus/RwOSFAMDVuQ4JRBqpcq +zSrbG69307ZWYgkOvqm42COAzZIP2Jw19THIvwdobP2YJfXjDAuT0GQtHuyW8vPHT B2thw+fGL1JLK+qn+FJx+afc6yWSTv8I42k0BsZdte5J3ov0uO18kAZD/KmIJ4L+IY Ks0qTuF9ZtQYA== From: Will Deacon To: Joerg Roedel , Bjorn Andersson , Robin Murphy Subject: Re: [PATCH] iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context Date: Thu, 7 Jan 2021 14:22:47 +0000 Message-Id: <161002864635.3143366.6483038182849083276.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210106005038.4152731-1-bjorn.andersson@linaro.org> References: <20210106005038.4152731-1-bjorn.andersson@linaro.org> MIME-Version: 1.0 Cc: Will Deacon , catalin.marinas@arm.com, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-arm-msm@vger.kernel.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Tue, 5 Jan 2021 16:50:38 -0800, Bjorn Andersson wrote: > On SM8150 it's occasionally observed that the boot hangs in between the > writing of SMEs and context banks in arm_smmu_device_reset(). > > The problem seems to coincide with a display refresh happening after > updating the stream mapping, but before clearing - and there by > disabling translation - the context bank picked to emulate translation > bypass. > > [...] Applied to arm64 (for-next/iommu/fixes), thanks! [1/1] iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context https://git.kernel.org/arm64/c/aded8c7c2b72 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-12.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,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 D97B5C43381 for ; Thu, 7 Jan 2021 14:24:26 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 9D69E2311E for ; Thu, 7 Jan 2021 14:24:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9D69E2311E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=na0nWSTSlkzpU2sShGnq48z39jIHp8pj/F6q+6v8x9Y=; b=DBwYSuup5vVyi0sZH+wk6jzIB DRf5s4CV1z80X2ZC6L3eP+fxsa3PyTz0hH1z+5ykQ/P6o3gU8FwHqaxQPCQBxCmMxNvbu0sXIwaN0 G/2rkLDrtZcXZ/nWmzc47WSkRSfBP9eAr+VYrh+dwmOcOy6UgewcGQ09atRc2KFTiOz1bhC687Bac B+pPJylxydZIbTHbq6afyJGryiy/CfofoKcc4nEPjzuYKO+uRfXmzwhFtLFkAL8XEf94WR2UWT55g 5QHX0+J3g+KCBJgmhsx8cfoI3CnUjET0qNynvAAQIKdUkoNpcdh3ZDLYdCbJEQFLA0LIuj6LIDGEr 4MUVOPYFA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kxWBm-0000tZ-83; Thu, 07 Jan 2021 14:22:58 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kxWBj-0000sh-Nl for linux-arm-kernel@lists.infradead.org; Thu, 07 Jan 2021 14:22:56 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 028F223355; Thu, 7 Jan 2021 14:22:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610029374; bh=oNLPJObW2d3YofpkNjkaRbAPG15OxVo1dNrFQ+tYOAk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vRO705TTCihW/nt+W1NTwTO30dWw+FCwmHKdGwCkUKgJIePLYAgeMuT7Z5ZzQ+IWn HAecnqHoHDkHHAr+gdxLjoRDxDrI9UJwRSs4s+MkMC5lT/KvTbJ2I2B0KXxFutYKYT bDPXEuPIvgn6uQy6hFIKM8cdCtaEgyJ2/UZC7/BPqCzHus/RwOSFAMDVuQ4JRBqpcq +zSrbG69307ZWYgkOvqm42COAzZIP2Jw19THIvwdobP2YJfXjDAuT0GQtHuyW8vPHT B2thw+fGL1JLK+qn+FJx+afc6yWSTv8I42k0BsZdte5J3ov0uO18kAZD/KmIJ4L+IY Ks0qTuF9ZtQYA== From: Will Deacon To: Joerg Roedel , Bjorn Andersson , Robin Murphy Subject: Re: [PATCH] iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context Date: Thu, 7 Jan 2021 14:22:47 +0000 Message-Id: <161002864635.3143366.6483038182849083276.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210106005038.4152731-1-bjorn.andersson@linaro.org> References: <20210106005038.4152731-1-bjorn.andersson@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210107_092255_888264_CF7FFBFA X-CRM114-Status: UNSURE ( 8.82 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sai Prakash Ranjan , Will Deacon , catalin.marinas@arm.com, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-arm-msm@vger.kernel.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 5 Jan 2021 16:50:38 -0800, Bjorn Andersson wrote: > On SM8150 it's occasionally observed that the boot hangs in between the > writing of SMEs and context banks in arm_smmu_device_reset(). > > The problem seems to coincide with a display refresh happening after > updating the stream mapping, but before clearing - and there by > disabling translation - the context bank picked to emulate translation > bypass. > > [...] Applied to arm64 (for-next/iommu/fixes), thanks! [1/1] iommu/arm-smmu-qcom: Initialize SCTLR of the bypass context https://git.kernel.org/arm64/c/aded8c7c2b72 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel