Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp2169845pxf; Sat, 27 Mar 2021 04:25:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx0N43cZVlgMfZGCCVuyW/5FgReFnhdWwH4Re/IuDHbsyScM7c5fR/Z6Q9zM/EO3JM/syet X-Received: by 2002:a17:906:3648:: with SMTP id r8mr20446905ejb.58.1616844315500; Sat, 27 Mar 2021 04:25:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616844315; cv=none; d=google.com; s=arc-20160816; b=w8eScZYCD7EI/CxkasxgX3q4J6haS0rnRV4ggt9nnaZY1byfb98TL7M9o9PiTNyq2X 6IRz3zJ1JhYoNFnICua5zQHV/kpCrLivollw90u9VBSTvgzagxbom72Z/Q2WnbypQSX0 tE43fl1xF6XXRv2R1r97wdAzNAxi+HlZwbg5zk6n9AMRFuYg7/hAdGFmtLmGuJXID6mq mcqGTvmv6+3lpEz/Cu6AFRuEbF+x4XksAvXhfrRaxFZH8wvV1fGiIECwhUwBp6OY12Lz UMtCtlzejHPoypAADMUZo2aHnLH76KDt4J4ep3kr6Ot5l4ddokXGH/xv3NYFhtc31kPh +lfA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:reply-to:cc:from:to :dkim-signature:date; bh=ZeosTjM7JTFTNLFhh8j3WlcOms5nuTO7bTrKwENNYQA=; b=cCr6nm3+TXYE69qXNgt5lziGe1XKNykDdmeKSnmBioSWNOYjisS9SYGeZRjipE8MIk CpfFM6Dmivvp8tFGnXwmZHgXpOjeyzgGeUeApnEhUgbQkgTN8sI0F7Vnlu0XysyClK+V yyk6zrTPUDwUViezaBDcDXhZw+VV9VcO5h6EZQ0oeYHR/8F7hmyJaG3vHZA8+Dhw7wWK +ZySx7D/ypwO4x9vZYGZMqm1iQm87kJ18LGj49hQirvEP+7DTUQw/OBmaapcFEso7ZWP md7iJnn6yPvds+MpVQeEZZPe8jxrPYd9QNX5diJzbvulHvDZnNuiaBXsE8wM30z/ydfw Gk7w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@emersion.fr header.s=protonmail3 header.b=RIPT0bde; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=emersion.fr Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id c13si8577253ede.115.2021.03.27.04.24.52; Sat, 27 Mar 2021 04:25:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@emersion.fr header.s=protonmail3 header.b=RIPT0bde; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=emersion.fr Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231526AbhC0LYY (ORCPT + 99 others); Sat, 27 Mar 2021 07:24:24 -0400 Received: from mail2.protonmail.ch ([185.70.40.22]:59572 "EHLO mail2.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230288AbhC0LYY (ORCPT ); Sat, 27 Mar 2021 07:24:24 -0400 Date: Sat, 27 Mar 2021 11:24:06 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=emersion.fr; s=protonmail3; t=1616844262; bh=ZeosTjM7JTFTNLFhh8j3WlcOms5nuTO7bTrKwENNYQA=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=RIPT0bde8x/F0BSTs64Mp+ghXeXOEByxoW0cBkbAunG9v42djMFM5bu2gUA8dbWnX thFaGbxERyf8xQIe0xf7aqhBwZuGyHXufOT05hYenfsWomuV08L5aVwnaI6yt8k4oE 3E3XKkdQ6Kf36vrOwINH7vkVrCTSfr/Y57rx01cmfUFeZYvQlSJzN+XeuBGl8VTwBK GBUtx3ZAcKRZBJvXpXSLULiz2E3wDbTm6uNNGcui+bzjPDmTjREn7firXO1o95bnB1 9sGxzI+nwO/lgKuIjgmA5lsGI5DxgGSRDI1Uvx/ZdbAAqcmR16gnlfb+ZDnp+MVxKm 6X2SAdQ17zWoQ== To: Paul Cercueil From: Simon Ser Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , od@zcrc.me, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Reply-To: Simon Ser Subject: Re: [PATCH] drm: DON'T require each CRTC to have a unique primary plane Message-ID: <1J_tcDPSAZW23jPO8ApyzgINcVRRWcNyFP0LvrSFVIMbZB9lH6lCWvh2ByU9rNt6bj6xpgRgv8n0hBKhXAvXNfLBGfTIsvbhYuHW3IIDd7Y=@emersion.fr> In-Reply-To: <20210327112214.10252-1-paul@crapouillou.net> References: <20210327112214.10252-1-paul@crapouillou.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-1.2 required=10.0 tests=ALL_TRUSTED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF shortcircuit=no autolearn=disabled version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on mailout.protonmail.ch Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Saturday, March 27th, 2021 at 12:22 PM, Paul Cercueil wrote: > The ingenic-drm driver has two mutually exclusive primary planes > already; so the fact that a CRTC must have one and only one primary > plane is an invalid assumption. Why does this driver expose two primary planes, if it only has a single CRTC?