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=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED 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 97DE4C43387 for ; Mon, 7 Jan 2019 14:36:34 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 5B8C32173C for ; Mon, 7 Jan 2019 14:36:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ouZJZQIp"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="FHYh63dv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5B8C32173C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PAt7j4KLTH4x6Tfc6Zqa8VPfw/XcTyE5eqJgUNgT55o=; b=ouZJZQIpWmyMji F0IW+6bX+dLgSh/JZ/Z7l3ZTQollhvWQak8d5v94Yv+ffcFehcwDzdvsRVhwreRkK8FNplRE5/8HJ D1AfpOzVh9ST7Y/RmD7szYoSauk+Sh9LNDP1NNekmAF4tIerAYU5+yZa/tXasjnLCQaKLf0UYXClP yANWq1dH9DbfOG8qzhcFxTOiyOn1i+QQ4iVF1QyV0dQvhbdw7ixA0ci2ff2j75tCyHvuzaWcuMmqD Qsrup/CFdRqp19JiYRSs+hRqzZg0gQzxK9oU2/txo4cVH1rtJ9OTcBTgszebftkqevSrMJNKf4miJ B7WKQeBBSf6eM7g9VepQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1ggW0y-00020t-8N; Mon, 07 Jan 2019 14:36:28 +0000 Received: from mail-ed1-x541.google.com ([2a00:1450:4864:20::541]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1ggW0r-0001qa-4G for linux-amlogic@lists.infradead.org; Mon, 07 Jan 2019 14:36:26 +0000 Received: by mail-ed1-x541.google.com with SMTP id g22so1073703edr.7 for ; Mon, 07 Jan 2019 06:36:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:openpgp:autocrypt:organization :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=O2VPNPn3DSLCDcwGDDQnewrk+6t8gZb6lnFZBdvUIjE=; b=FHYh63dv94tyY7PjeLQlFH6NVBr7kgbD2Z+dPeucvAunuPEx6fMzNz0MKOJvSLnXX3 khTgwAXO8hflp1wgAb3SwWm9rOmfU0NupnqAqfWnADCcdXO6xE0SUYauVTIi936qnEpe nBoMEFmg7sH0kAbJLN/AyaiY/LVa8W5oajWuKXJNztY8WC7rOkUl5dekTxDLm7O6eqI9 yp6omT2JM1mlglxICT3XHOzMrz77slZU9xk29DVLiNbaJ+dQMuOKwMpi0iRET7gs0iem eqCn5wkb2x80A/NylVg1aLjEtfGVN1qm+6bx+9TG/C3ieYbN4zHguAdjpO4UynPnJTGK /ieA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:autocrypt :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=O2VPNPn3DSLCDcwGDDQnewrk+6t8gZb6lnFZBdvUIjE=; b=OX3mZFB432+VBffLq2M+Bj5wO0jDwBe5xs9o7MJgZA7bUqDB5iHzxxA5inZnPDscuX lUF8GdB3KfYVDw43bCVOsLd+da/VfpDALFOo5xS3CDGepMz7fTkjbqhWmED00lmL0zOE stAGNWraCd9WVxDr5PVczaIYyW3Cug3qkwyBzLLgN42T8gSxWsy9DOcPIjNC/PXwzpWN u6MnZ8/rTSKwwQPJ0a8uQVxiuCuh2ihC+/C6yDRWvV8HsyEPTmGS3jB6oMlBI6ZONaYW m+FW5e0EHO/hRxLFVWufGTmAyQBWXtj3kXfNiaAjqz44x5cQ0/lXZeuIMkxwUjGUp5As 6oJA== X-Gm-Message-State: AA+aEWavmGtMLtNhEEwITsGXttmPByVDpAn0eQ/Mz+waDFMei0qJTWgF OvEjVNnnHQsE0J1BQmlcVXzKBg== X-Google-Smtp-Source: AFSGD/Vv+JGbWQwMgXLkvKMrD0jMh+S2sFjO0gZLs2qm7fTTXzT0lBSGmB07JYPTNvUFv0OJbya9mQ== X-Received: by 2002:a17:906:7a18:: with SMTP id d24-v6mr47458645ejo.16.1546871779190; Mon, 07 Jan 2019 06:36:19 -0800 (PST) Received: from [10.1.2.12] (lmontsouris-657-1-212-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id k20sm31344034eda.71.2019.01.07.06.36.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Jan 2019 06:36:18 -0800 (PST) Subject: Re: [PATCH 0/5] Meson (32-bit): add support for the Mali GPU To: Martin Blumenstingl , linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, jbrunet@baylibre.com, khilman@baylibre.com, robh+dt@kernel.org References: <20181208171247.22238-1-martin.blumenstingl@googlemail.com> From: Neil Armstrong Openpgp: preference=signencrypt Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= mQENBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAG0KE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT6JATsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIW5AQ0ETVkGzwEIALyKDN/O GURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYpQTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXM coJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hi SvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY4yG6xI99NIPEVE9lNBXBKIlewIyVlkOa YvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoMMtsyw18YoX9BqMFInxqYQQ3j/HpVgTSv mo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUXoUk33HEAEQEAAYkBHwQYAQIACQUCTVkG zwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfnM7IbRuiSZS1unlySUVYu3SD6YBYnNi3G 5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa33eDIHu/zr1HMKErm+2SD6PO9umRef8V8 2o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCSKmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+ RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJ C3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTTQbM0WUIBIcGmq38+OgUsMYu4NzLu7uZF Acmp6h8guQINBFYnf6QBEADQ+wBYa+X2n/xIQz/RUoGHf84Jm+yTqRT43t7sO48/cBW9vAn9 GNwnJ3HRJWKATW0ZXrCr40ES/JqM1fUTfiFDB3VMdWpEfwOAT1zXS+0rX8yljgsWR1UvqyEP 3xN0M/40Zk+rdmZKaZS8VQaXbveaiWMEmY7sBV3QvgOzB7UF2It1HwoCon5Y+PvyE3CguhBd 9iq5iEampkMIkbA3FFCpQFI5Ai3BywkLzbA3ZtnMXR8Qt9gFZtyXvFQrB+/6hDzEPnBGZOOx zkd/iIX59SxBuS38LMlhPPycbFNmtauOC0DNpXCv9ACgC9tFw3exER/xQgSpDVc4vrL2Cacr wmQp1k9E0W+9pk/l8S1jcHx03hgCxPtQLOIyEu9iIJb27TjcXNjiInd7Uea195NldIrndD+x 58/yU3X70qVY+eWbqzpdlwF1KRm6uV0ZOQhEhbi0FfKKgsYFgBIBchGqSOBsCbL35f9hK/JC 6LnGDtSHeJs+jd9/qJj4WqF3x8i0sncQ/gszSajdhnWrxraG3b7/9ldMLpKo/OoihfLaCxtv xYmtw8TGhlMaiOxjDrohmY1z7f3rf6njskoIXUO0nabun1nPAiV1dpjleg60s3OmVQeEpr3a K7gR1ljkemJzM9NUoRROPaT7nMlNYQL+IwuthJd6XQqwzp1jRTGG26J97wARAQABiQM+BBgB AgAJBQJWJ3+kAhsCAikJEBaat7Gkz/iuwV0gBBkBAgAGBQJWJ3+kAAoJEHfc29rIyEnRk6MQ AJDo0nxsadLpYB26FALZsWlN74rnFXth5dQVQ7SkipmyFWZhFL8fQ9OiIoxWhM6rSg9+C1w+ n45eByMg2b8H3mmQmyWztdI95OxSREKwbaXVapCcZnv52JRjlc3DoiiHqTZML5x1Z7lQ1T3F 8o9sKrbFO1WQw1+Nc91+MU0MGN0jtfZ0Tvn/ouEZrSXCE4K3oDGtj3AdC764yZVq6CPigCgs 6Ex80k6QlzCdVP3RKsnPO2xQXXPgyJPJlpD8bHHHW7OLfoR9DaBNympfcbQJeekQrTvyoASw EOTPKE6CVWrcQIztUp0WFTdRGgMK0cZB3Xfe6sOp24PQTHAKGtjTHNP/THomkH24Fum9K3iM /4Wh4V2eqGEgpdeSp5K+LdaNyNgaqzMOtt4HYk86LYLSHfFXywdlbGrY9+TqiJ+ZVW4trmui NIJCOku8SYansq34QzYM0x3UFRwff+45zNBEVzctSnremg1mVgrzOfXU8rt+4N1b2MxorPF8 619aCwVP7U16qNSBaqiAJr4e5SNEnoAq18+1Gp8QsFG0ARY8xp+qaKBByWES7lRi3QbqAKZf yOHS6gmYo9gBmuAhc65/VtHMJtxwjpUeN4Bcs9HUpDMDVHdfeRa73wM+wY5potfQ5zkSp0Jp bxnv/cRBH6+c43stTffprd//4Hgz+nJcCgZKtCYIAPkUxABC85ID2CidzbraErVACmRoizhT KR2OiqSLW2x4xdmSiFNcIWkWJB6Qdri0Fzs2dHe8etD1HYaht1ZhZ810s7QOL7JwypO8dscN KTEkyoTGn6cWj0CX+PeP4xp8AR8ot4d0BhtUY34UPzjE1/xyrQFAdnLd0PP4wXxdIUuRs0+n WLY9Aou/vC1LAdlaGsoTVzJ2gX4fkKQIWhX0WVk41BSFeDKQ3RQ2pnuzwedLO94Bf6X0G48O VsbXrP9BZ6snXyHfebPnno/te5XRqZTL9aJOytB/1iUna+1MAwBxGFPvqeEUUyT+gx1l3Acl ZaTUOEkgIor5losDrePdPgE= Organization: Baylibre Message-ID: <13bd9d3a-3cbe-3952-03bb-ef5da6eec401@baylibre.com> Date: Mon, 7 Jan 2019 15:36:17 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20181208171247.22238-1-martin.blumenstingl@googlemail.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190107_063622_240135_7039408D X-CRM114-Status: GOOD ( 25.63 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, sboyd@kernel.org, mturquette@baylibre.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On 08/12/2018 18:12, Martin Blumenstingl wrote: > This series adds support for the Mali-450 GPU on Meson8 and Meson8b. > Meson6 uses a Mali-400 GPU but since we don't have a clock driver (and > I don't have a device for testing) Meson6 is left out in this series. > > Meson8 uses a Mali-450 MP6 with six pixel processors. Meson8b (as > cost-reduced SoC) uses a Mali-450 MP2 with two pixel processors. > I tested both using the open source lima driver and a patched mesa > from the lima project as well. Since we don't have display support > on the 32-bit SoCs I used off-screen rendering as described in [0]. > The result is (for example): [1] > > The bootloader (at least on my boards) leaves the Mali clock disabled > by default. The board crashes when trying to access the Mali registers > with the "core" clock disabled. > Thus this series also implements the required clock driver changes. The > Mali clock tree on Meson8b and Meson8m2 is almost identical to the one > on GXBB (see the description of patch #3 for more details). Only Meson8 > is slightly different as it doesn't have a glitch-free mux. Patch #2 > prepares the meson8b clock driver so we can have different clocks per > SoC. > > Dependencies: > - the .dts changes depend on my other series "ARM: dts: meson: add the > APB/APB2 busses" from [2] > - the .dts changes from this series have no compile-time dependency on > the clock driver changes because CLKID_MALI was defined in the > dt-bindings since the first version of the clock driver (but it was > not used until now). > - the .dts changes from this series have a runtime dependency on the > clock driver changes (also from this series) if you have a kernel > patched with the lima driver (without the lima driver there's no > runtime dependency) > > Other notes: > By default the GPU runs off the XTAL clock (24MHz). The lima driver > currently does not update the GPU clock rate. Different frequencies > have to be requested by adding the following properties to the Mali > GPU node (to run it at 510MHz for example): > assigned-clocks = <&clkc CLKID_MALI>; > assigned-clock-rates = <510000000>; > > > [0] https://gitlab.freedesktop.org/lima/web/wikis/home > [1] https://abload.de/img/dump0myic0.png > [2] https://patchwork.kernel.org/cover/10719445/ > > > Martin Blumenstingl (5): > dt-bindings: gpu: mali-utgard: add Amlogic Meson8 and Meson8b > compatible > clk: meson: meson8b: use a separate clock table for Meson8 > clk: meson: meson8b: add the GPU clock tree > ARM: dts: meson8: add the Mali-450 MP6 GPU > ARM: dts: meson8b: add the Mali-450 MP2 GPU > > .../bindings/gpu/arm,mali-utgard.txt | 6 + > arch/arm/boot/dts/meson8.dtsi | 58 +++ > arch/arm/boot/dts/meson8b.dtsi | 46 +++ > drivers/clk/meson/meson8b.c | 349 +++++++++++++++++- > drivers/clk/meson/meson8b.h | 9 +- > 5 files changed, 461 insertions(+), 7 deletions(-) > Applied patches 2 & 3 to next/drivers for Linux 5.1 Kevin, have fun with the other patches ! Neil _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic