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=-7.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS 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 EE707C282DA for ; Wed, 17 Apr 2019 18:27:11 +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 BF69C2064B for ; Wed, 17 Apr 2019 18:27:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="b/yMCk/a"; 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="reCo4zyC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BF69C2064B 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=RKlE4V1s+l8v8QwoL/8BXLJ8fcM2uKNdB01vmwQeajs=; b=b/yMCk/a3Trwmc LVATDxL2PTp2ZNC5YqLWNj9LJimtPrhRIlkbDMLLEXNaDm3xlE10ML0B4fqnSx4S7RMEmexQSpMAS lWjKCVnVhGCPhIOhUuQXMLI2xkkmoFegjddT2kOPopnOJb8V8N6Xm7RYsWCsGkZbTIx10gJZPGDmZ 9EKiW9bhvatPCpJiGgD/DWwagH9oFvn8sJJMoQi33IHUEdXXRrvz3A3RlRoIC8u/R2E9VtIYw7V4u +gl4mgxvyeeJ/gE0G60/xQYHM03yqBEwx8LwlMUkNMQyE1qM3uN9vv0y9AALvaGmBLRq2s3njT5dG k5zKdfIlTWSx3G0f6kzQ==; 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 1hGpH2-0003LJ-Ad; Wed, 17 Apr 2019 18:27:08 +0000 Received: from mail-wr1-x444.google.com ([2a00:1450:4864:20::444]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hGpGz-0003Kt-NS for linux-amlogic@lists.infradead.org; Wed, 17 Apr 2019 18:27:07 +0000 Received: by mail-wr1-x444.google.com with SMTP id q1so33259347wrp.0 for ; Wed, 17 Apr 2019 11:27:05 -0700 (PDT) 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=8FKuD9MncH/k9Xn+3dyvv1bLpU0a0ED0JLHIGSkfh9o=; b=reCo4zyCLvnWQJk3nARlPpYbm0MTjAMXDXdBojF/Y0CEvl6b1s9QYaNYm7rayYoRfa qeJWg1MJLCj3XPRnsZnJ20pYKnfBRJyNSekV2txxUnP1bHkIX0Y4klNw2mvVursl6jW6 1IB7tQTsmCqcG4boNnHopYVHVLBpAvkwMH4qzeK8GbrNK2W6QawDKQUbzcnM9Ymtvftj VeAsbwKMY8aJXoxgevAtVc3A9O7wNSikQI7yOnG5qZ/Cy/fArkyVY0wS+szu7du7CmrC 5scq5Iq7rM6aUdZCRI0/BWvFgHrA0RNSe0WupCHGGa2hvtXj21k4DYn8oBhBMGOz9dCk dIyA== 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=8FKuD9MncH/k9Xn+3dyvv1bLpU0a0ED0JLHIGSkfh9o=; b=QpZ3bAje3At0DKm7cZ/7WTY2VItT/d6x9dn6gY0gIiQxQjfm83NdE2LkHs00M0dYll OpeAiD2QAgIEXO3Smp+AsMYeNlVHlQ7TVAGDkULmKJpY5UJj9eEUsGB21Dbgi6a1/cFT ssH5oWRTm6aCl/HjxN9s6d2uuP+YjTzw8C8YjLOSLUW5fPb8qV7T73TOBMrqw4jnQNrb e3sIXlkoFd0vguYGikCnWvwjpZ75mcfShFslX5eV2uofGjeUU/BykIw2D/7YziBiyqLr fI/4uGWQ6dpeTi9dmakMwvBoiQb7OC1mM6jGO59X+Nq4cE+Q/YJ0SUUoIZPbhOipBOC9 Lxgw== X-Gm-Message-State: APjAAAVF2NxPrMsuaSLYDIqbadlLBAkkGbHCC+jvIy4frtsxY3Q2mbov kds2rCVQqRbHFEyacx/jbpzU33g2KMcEFO72 X-Google-Smtp-Source: APXvYqxo2MobICrtY0Th4M8Swpke+kEwifrMq8wsBnMy/Fo5o1F30B/r8kjjygQvpbZsWJVpf0hTwg== X-Received: by 2002:a5d:664c:: with SMTP id f12mr926238wrw.302.1555525623979; Wed, 17 Apr 2019 11:27:03 -0700 (PDT) Received: from [192.168.1.62] (wal59-h01-176-150-251-154.dsl.sta.abo.bbox.fr. [176.150.251.154]) by smtp.gmail.com with ESMTPSA id y133sm5264427wmd.2.2019.04.17.11.27.03 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 17 Apr 2019 11:27:03 -0700 (PDT) Subject: Re: [PATCH] drm/meson: add size and alignment requirements for dumb buffers To: Sky Zhou , "dri-devel@lists.freedesktop.org" References: <20190408090137.2402-1-narmstrong@baylibre.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: <2a9f0dcc-9136-ffbd-520e-6e323ac80dc0@baylibre.com> Date: Wed, 17 Apr 2019 20:27:07 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190417_112705_760520_465C1D98 X-CRM114-Status: GOOD ( 13.89 ) 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: "linux-amlogic@lists.infradead.org" , "linux-kernel@vger.kernel.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 16/04/2019 12:20, Sky Zhou wrote: > > On 2019/4/8 17:01, Neil Armstrong wrote: >> The Amlogic SoCs Canvas buffers stride must be aligned on 64bytes >> and overall size should be aligned on PAGE width. >> >> Adds a custom dumb_create op to adds these requirements. >> >> Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller") >> Suggested-by: Sky Zhou >> Signed-off-by: Neil Armstrong >> --- >> drivers/gpu/drm/meson/meson_drv.c | 14 +++++++++++++- >> 1 file changed, 13 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c >> index faf1b1b0357c..72b01e6be0d9 100644 >> --- a/drivers/gpu/drm/meson/meson_drv.c >> +++ b/drivers/gpu/drm/meson/meson_drv.c >> @@ -90,6 +90,18 @@ static irqreturn_t meson_irq(int irq, void *arg) >> return IRQ_HANDLED; >> } >> >> +static int meson_dumb_create(struct drm_file *file, struct drm_device *dev, >> + struct drm_mode_create_dumb *args) >> +{ >> + /* >> + * We need 64bytes aligned stride, and PAGE aligned size >> + */ >> + args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8), SZ_64); >> + args->size = PAGE_ALIGN(args->pitch * args->height); >> + >> + return drm_gem_cma_dumb_create_internal(file, dev, args); >> +} >> + >> DEFINE_DRM_GEM_CMA_FOPS(fops); >> >> static struct drm_driver meson_driver = { >> @@ -112,7 +124,7 @@ static struct drm_driver meson_driver = { >> .gem_prime_mmap = drm_gem_cma_prime_mmap, >> >> /* GEM Ops */ >> - .dumb_create = drm_gem_cma_dumb_create, >> + .dumb_create = meson_dumb_create, >> .gem_free_object_unlocked = drm_gem_cma_free_object, >> .gem_vm_ops = &drm_gem_cma_vm_ops, >> >> > > Reviewed-by: Sky Zhou > Applied to drm-misc-next, thanks ! _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic