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[2620:137:e000::1:20]) by mx.google.com with ESMTP id c1-20020a170902848100b001b3dd46d4fesi596673plo.66.2023.06.19.15.31.48; Mon, 19 Jun 2023 15:32:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229912AbjFSWLS (ORCPT + 99 others); Mon, 19 Jun 2023 18:11:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229818AbjFSWLR (ORCPT ); Mon, 19 Jun 2023 18:11:17 -0400 Received: from mail-il1-f177.google.com (mail-il1-f177.google.com [209.85.166.177]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51E44187; Mon, 19 Jun 2023 15:11:17 -0700 (PDT) Received: by mail-il1-f177.google.com with SMTP id e9e14a558f8ab-3422161e53bso8158865ab.1; Mon, 19 Jun 2023 15:11:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687212676; x=1689804676; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=2GzJl3YIufx24rrPPBjiGHwcJLGJVUI+UoKbrhxXg1M=; b=eomirQcs7pb2q2stKCz+ZVrYK5fGAj7cMs0tgYixkxoYbjACJD4AZaT1VmVCmnrBUC SijCGD2xukzPHXUalO9NiZE61ondsCEE8b8qVefCDywgiOBaL7OKyUZLQp3XYC6AbNQL LHe4Av5L4gfeF3282FgK4CfMAEK0mBpLAaswI0LqjLt1/HDTKMKei6z7TOLv6PVeVR0M x+TuoqnPDv5IZ+18PayIU8/IIkkdWio0p53z5a/F64tnEF0FGJTWzN042/nR0GRPwkIa m0n9l9uNsRDG7np6gulvZCBNejC5oWfPnQhFvkIHYLYlF7x1irjUeRaEcKCzcuWEd60B Ir9Q== X-Gm-Message-State: AC+VfDzVAFv4qE3lcRKM+I4gnUmyu7RQUg2tHHRXDSjytivznYPBh1uF 7HcplAoyBTWUQpRBv0KFfhJtGLCo1w== X-Received: by 2002:a92:c60a:0:b0:33e:6d37:ce76 with SMTP id p10-20020a92c60a000000b0033e6d37ce76mr6318463ilm.12.1687212676512; Mon, 19 Jun 2023 15:11:16 -0700 (PDT) Received: from robh_at_kernel.org ([64.188.179.250]) by smtp.gmail.com with ESMTPSA id v2-20020a92c6c2000000b0033bc3a3ea39sm170537ilm.70.2023.06.19.15.11.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 15:11:15 -0700 (PDT) Received: (nullmailer pid 1611621 invoked by uid 1000); Mon, 19 Jun 2023 22:11:13 -0000 Date: Mon, 19 Jun 2023 16:11:13 -0600 From: Rob Herring To: Conor Dooley Cc: Dario Binacchi , linux-kernel@vger.kernel.org, Philippe Cornu , Raphael Gallais-Pou , Amarula patchwork , michael@amarulasolutions.com, Alexandre Torgue , Conor Dooley , Daniel Vetter , David Airlie , Krzysztof Kozlowski , Maxime Coquelin , Yannick Fertre , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: Re: [PATCH v4 4/6] dt-bindings: display: stm32-ltdc: add optional st,fb-bpp property Message-ID: <20230619221113.GA1608794-robh@kernel.org> References: <20230619165525.1035243-1-dario.binacchi@amarulasolutions.com> <20230619165525.1035243-5-dario.binacchi@amarulasolutions.com> <20230619-ion-decree-c63d2eb11e83@spud> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230619-ion-decree-c63d2eb11e83@spud> X-Spam-Status: No, score=-1.2 required=5.0 tests=BAYES_00, FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 19, 2023 at 09:18:25PM +0100, Conor Dooley wrote: > Hey, > > On Mon, Jun 19, 2023 at 06:55:23PM +0200, Dario Binacchi wrote: > > Boards that use the STM32F{4,7} series have limited amounts of RAM. The > > added property allows to size, within certain limits, the memory footprint > > required by the framebuffer. > > Hmm, this sounds quite a lot like "software policy", since the actual > display doesn't have these limitations. Rob, Krzysztof? Indeed. This doesn't belong in DT. Rob