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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C516C4332F for ; Sat, 19 Feb 2022 18:15:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242778AbiBSSQG (ORCPT ); Sat, 19 Feb 2022 13:16:06 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:58788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232963AbiBSSQE (ORCPT ); Sat, 19 Feb 2022 13:16:04 -0500 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DBA967B576; Sat, 19 Feb 2022 10:15:44 -0800 (PST) Received: by mail-lf1-x134.google.com with SMTP id m14so11248484lfu.4; Sat, 19 Feb 2022 10:15:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language :from:to:cc:references:in-reply-to:content-transfer-encoding; bh=ZCklAq/Hx2JD+s8iRJLRBAzKBHd1Vzm6GJgE7/9rJMc=; b=UYwoW4i1T7TbzJAmNBBE/HsET4YSXMQnecavrbyKf7inSJeH4v/AfLKQ8XpquPHPFX iHWiMhWE8hnIwE5wwQ3x0sdr0DvGHneRSwv0U2sPFqcr7o2DoUyEq7lJM/bZLipvNcMC FGPUSRotuOyEZfkkLmM8T8ov0xh8zYlkKpiKNlY/bpuf2avLCS8tbvakdIc8fZiIcZAl uXtLVd8pJH3TJ8H9fpqUO8MzYZDNfYOJ12TTEqjdLsIjHcXOCObWpLBMGuA3JGPAAkIy B9O/fZAgXJHykF3mbMeYmOwvr5MNeDygsQx+NDu5kT8ZAWAalmLWUf9u70TYiNCsahas 38ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:from:to:cc:references:in-reply-to :content-transfer-encoding; bh=ZCklAq/Hx2JD+s8iRJLRBAzKBHd1Vzm6GJgE7/9rJMc=; b=0JoWACQyFY0kQkUj4ZVmlqYI5JfRXQXWx8gb7jCANyBA/6+VG+0l5t74HWXYnHP+Ic TDfDFQ0G41sk16nil9bPXMGrunu8ftgYjXRmhRQnfwqCZZD2GcTaCQRQObbmOD67V9bn 96eubvi/QSvhTnECE/96hy/qsL4ts1Cef5M8PznP5xCn3t3DgXxzKXV6GpnM5dYCxd8m gJBjSab27i5CvZ1NWzXN+N/h4KSrUTvod3J1MfvfuOdNGE5L7MbvxO+0dmgoPmbIZFYx OZbIQpqNdnby6cvcaSO776SW8ryhPSRjdBtyyUGsb7WEouFZZWvL7yDFVcpA78viN83W DuQw== X-Gm-Message-State: AOAM533Gpno+B1tBsYqb6K71XDH78Ljm2mBIWKhuqe5v/+2ZvovzfgqP YtYu9CdjkIrg5xrCgGU0E8Y= X-Google-Smtp-Source: ABdhPJwJdZ0Gd/bbMF0s0unbw8e1WaovO3J5g4uv+x1CAXGO8sdtzQ4dLL+prgBxwbaaJyAXR9g9RQ== X-Received: by 2002:a05:6512:548:b0:438:a549:d499 with SMTP id h8-20020a056512054800b00438a549d499mr9082717lfl.326.1645294543281; Sat, 19 Feb 2022 10:15:43 -0800 (PST) Received: from [192.168.2.145] (109-252-138-165.dynamic.spd-mgts.ru. [109.252.138.165]) by smtp.googlemail.com with ESMTPSA id v18sm729633ljn.78.2022.02.19.10.15.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 19 Feb 2022 10:15:42 -0800 (PST) Message-ID: <50838e8c-8121-d6fb-d693-031739829157@gmail.com> Date: Sat, 19 Feb 2022 21:15:41 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v3 2/9] gpu: host1x: Add context bus Content-Language: en-US From: Dmitry Osipenko To: Mikko Perttunen , thierry.reding@gmail.com, jonathanh@nvidia.com, joro@8bytes.org, will@kernel.org, robh+dt@kernel.org, robin.murphy@arm.com Cc: linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20220218113952.3077606-1-mperttunen@nvidia.com> <20220218113952.3077606-3-mperttunen@nvidia.com> <1c97bbb5-ba0b-742c-2a21-8abf195b9e6d@gmail.com> In-Reply-To: <1c97bbb5-ba0b-742c-2a21-8abf195b9e6d@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 19.02.2022 20:54, Dmitry Osipenko пишет: > 18.02.2022 14:39, Mikko Perttunen пишет: >> +config TEGRA_HOST1X_CONTEXT_BUS >> + bool >> + >> config TEGRA_HOST1X >> tristate "NVIDIA Tegra host1x driver" >> depends on ARCH_TEGRA || (ARM && COMPILE_TEST) >> select DMA_SHARED_BUFFER >> + select TEGRA_HOST1X_CONTEXT_BUS > > What is the point of TEGRA_HOST1X_CONTEXT_BUS if it's selected > unconditionally? I see now that it's used by arm-smmu.c, should be okay then.