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 6FE8AC433F5 for ; Wed, 9 Mar 2022 12:52:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232881AbiCIMxG (ORCPT ); Wed, 9 Mar 2022 07:53:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56552 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232966AbiCIMxC (ORCPT ); Wed, 9 Mar 2022 07:53:02 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4231F177D06 for ; Wed, 9 Mar 2022 04:52:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1646830323; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MVrNBje8P4Tjl99yqsqfstxvyHvyJTjfoJ0XzHjnkFs=; b=YBu+lGxlOvH8L+YVlsBFtbhqqZmvA084VweXW+9ABzUF5IPsBxegCC4S+rzl1qKAFRF1PH xXFOLRv1pcL1Brmys842q9LWK54JJTrXoc3D/gdmwusLEK3g+gLnrouMVX2Sg3aF9FK3cc MM0FJJoJjrxX+9VpRzfe35Vjm3arL/s= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-620-EaH9-qWwPm-QnnD8FVsuzw-1; Wed, 09 Mar 2022 07:52:00 -0500 X-MC-Unique: EaH9-qWwPm-QnnD8FVsuzw-1 Received: by mail-wr1-f71.google.com with SMTP id m18-20020a5d4a12000000b00203731460e6so732657wrq.3 for ; Wed, 09 Mar 2022 04:52:00 -0800 (PST) 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:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=MVrNBje8P4Tjl99yqsqfstxvyHvyJTjfoJ0XzHjnkFs=; b=8Bb2PyoQJcH6l8nz2AO0gYKns/CuObT29v7U111Zv/T2HPC7WpkKTgCNKmtcgYOuhX lfjhHjVKn6zLmfKrB74/La7vvjfCBR9jxKpDwev3Bxut8djTRfGFJvFnEfUB82NSBDWg ZudbURhBskSfF5Tp5OD1hHDCWKk5FGWeozIYIio1payyfykKs66xKzwrOnVODAT/GD7B 5B/DvFrLE3AA127s58vxWMdJKt6gnoF2+XYWmO9LAljuvDwnGsA/fSavNQ8rR4HdlFCf SgnMYM/uii9LaDKO4KQyT1DXijMMyehvz7aODg+HcwAO7hURus0yxmTfHtY/ZFbQGDjh WoIQ== X-Gm-Message-State: AOAM532G8h1ha7mHpE7WFmLJuLUDTS3hjaL+2fFEn6JGiyQ0amy+fK7V QzrDsEeDt72y3e6CkFmR44Qx+y09lu+fkRsXKjMo++FaHWviC30lAFoDLSepoUR+bWZxmq55U8U gnJGVz3XRBa6KvdMu5RVXWhj4 X-Received: by 2002:adf:8b9e:0:b0:1f0:25ca:6d81 with SMTP id o30-20020adf8b9e000000b001f025ca6d81mr15523231wra.247.1646830319032; Wed, 09 Mar 2022 04:51:59 -0800 (PST) X-Google-Smtp-Source: ABdhPJznCED2hDWfMPlEh09LTikM9n8nFo++5o/PkgFE4Sete3s/9brY/cGIrZsveiDmJHMiONU+4Q== X-Received: by 2002:adf:8b9e:0:b0:1f0:25ca:6d81 with SMTP id o30-20020adf8b9e000000b001f025ca6d81mr15523208wra.247.1646830318754; Wed, 09 Mar 2022 04:51:58 -0800 (PST) Received: from [192.168.1.102] ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id n2-20020a056000170200b001f1e16f3c53sm1643997wrc.51.2022.03.09.04.51.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 09 Mar 2022 04:51:58 -0800 (PST) Message-ID: Date: Wed, 9 Mar 2022 13:51:57 +0100 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 v2 03/10] drm/client: Use actual bpp when allocating frame buffers Content-Language: en-US To: Geert Uytterhoeven , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Sam Ravnborg , Helge Deller Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-m68k@vger.kernel.org, linux-kernel@vger.kernel.org References: <8f29a983d42d9d68bd8cae2f9481d3c139f8750a.1646683502.git.geert@linux-m68k.org> From: Javier Martinez Canillas In-Reply-To: <8f29a983d42d9d68bd8cae2f9481d3c139f8750a.1646683502.git.geert@linux-m68k.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/7/22 21:52, Geert Uytterhoeven wrote: > When allocating a frame buffer, the number of bits per pixel needed is > derived from the deprecated drm_format_info.cpp[] field. While this > works for formats using less than 8 bits per pixel, it does lead to a > large overallocation. > > Reduce memory consumption by using the actual number of bits per pixel > instead. > > Signed-off-by: Geert Uytterhoeven > Acked-by: Thomas Zimmermann > --- Reviewed-by: Javier Martinez Canillas -- Best regards, Javier Martinez Canillas Linux Engineering Red Hat