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=-4.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 autolearn=no 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 987FCC4345A for ; Mon, 29 Mar 2021 08:24:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7ACBD619B4 for ; Mon, 29 Mar 2021 08:24:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234229AbhC2IYL (ORCPT ); Mon, 29 Mar 2021 04:24:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232428AbhC2IPj (ORCPT ); Mon, 29 Mar 2021 04:15:39 -0400 Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F635C061756; Mon, 29 Mar 2021 01:15:39 -0700 (PDT) Received: by mail-lf1-x130.google.com with SMTP id 75so17165092lfa.2; Mon, 29 Mar 2021 01:15:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version; bh=zBv0H2aHUbMd9Rp97TANmEJVCBnTx2DEtozoJt1A8Hw=; b=gqg3KfnxyAcBj5KVMSHNHSQk4DvXTHeH0jrYz+9wzgYu/WHvEzXx44yKBgixeoXyZ9 Zjsb50FuF6UyrMxrJdyCOnc7rKLTEHh8u3+jbQhHdbm1WbwNR9p9r62CVLzntuS8jK2i rzo5Es377XuBH66gjk7Py5O4N9VV34mK3pvLQikNI4U2MFNiV8guQoBbXo5R1HsW6zVV MXBTsfj3mh3P2IxcvZp/RTmefhT1BxBHB4uVSq4oU5e0jgJPugUNBC+fHJqFkoYvVkPW cixTqFezaTagg/OoELfAKOFUERhoF4BG1uQUPzMbq/skSmqTvtf2b/DZDHucMxDfIvt6 SpZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version; bh=zBv0H2aHUbMd9Rp97TANmEJVCBnTx2DEtozoJt1A8Hw=; b=kq5Qd9wANFJKi/uiMhj3fsggCSUtroLoEMq7SYQQLo1BcjV39xyeXzvjmCFZxZwarT DQ7hcaDkgSpp6afPZEJohGTjsg/Iw1mIcnvNCNHrYfdqo7Mq5Pkfv6ClhUo7vcc/VMzt IbK8SOqGi7hSZH6P3JmPVXbXSkvUsI4Zt/zibVLgVwHkwkc3cswDQ3J3Amnj6ux0amqW bIdEFStAzl4FpvPJmm9HdK/vrNkN9wbPcMoFZOWC4onAoHKNzkxoyBj1S17T/362Ir4C BGaKfJioPart0cICXVASgXhPT51Zz8eRJH0j1wpa882MlMT3SrSiJ8RfNENfcd1MZGe4 lcOg== X-Gm-Message-State: AOAM533zK/40qdRVpUClrrDtSYqKDEOfZw1eCeqqscBy7RlIwiT9MiKL tTkhpQBUkL2ldGRvypLP6YY= X-Google-Smtp-Source: ABdhPJzxgGD/4gmDa6/iAxicckA149Q3A/tIhIR7r08sRje8rOLmys2iDv4Z15DavZDyNBP+8/aMgA== X-Received: by 2002:ac2:4316:: with SMTP id l22mr16161690lfh.338.1617005737725; Mon, 29 Mar 2021 01:15:37 -0700 (PDT) Received: from eldfell ([194.136.85.206]) by smtp.gmail.com with ESMTPSA id n8sm1665977lfu.172.2021.03.29.01.15.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Mar 2021 01:15:37 -0700 (PDT) Date: Mon, 29 Mar 2021 11:15:33 +0300 From: Pekka Paalanen To: Paul Cercueil Cc: Simon Ser , Thomas Zimmermann , David Airlie , linux-kernel@vger.kernel.org, od@zcrc.me, dri-devel@lists.freedesktop.org, stable@vger.kernel.org Subject: Re: [PATCH] drm: DON'T require each CRTC to have a unique primary plane Message-ID: <20210329111533.47e44f72@eldfell> In-Reply-To: <24LMQQ.CRNKYEI6GB2T1@crapouillou.net> References: <20210327112214.10252-1-paul@crapouillou.net> <1J_tcDPSAZW23jPO8ApyzgINcVRRWcNyFP0LvrSFVIMbZB9lH6lCWvh2ByU9rNt6bj6xpgRgv8n0hBKhXAvXNfLBGfTIsvbhYuHW3IIDd7Y=@emersion.fr> <24LMQQ.CRNKYEI6GB2T1@crapouillou.net> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/VjwGWdRbYYmHwPtJmbJ.naq"; protocol="application/pgp-signature" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/VjwGWdRbYYmHwPtJmbJ.naq Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Sat, 27 Mar 2021 11:26:26 +0000 Paul Cercueil wrote: > It has two mutually exclusive background planes (same Z level) + one=20 > overlay plane. What's the difference between the two background planes? How will generic userspace know to pick the "right" one? Thanks, pq > Le sam. 27 mars 2021 =C3=A0 11:24, Simon Ser a =C3= =A9crit=20 > : > > On Saturday, March 27th, 2021 at 12:22 PM, Paul Cercueil=20 > > wrote: > > =20 > >> 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. =20 > >=20 > > Why does this driver expose two primary planes, if it only has a=20 > > single > > CRTC? =20 >=20 >=20 > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel --Sig_/VjwGWdRbYYmHwPtJmbJ.naq Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEJQjwWQChkWOYOIONI1/ltBGqqqcFAmBhjKUACgkQI1/ltBGq qqf4zQ/8CTYQltHBAYzKNRwXrfze1iZznMXlxhTX0k079z6Vx/dqAUtOXtF5lU69 QIcj/I5rzbdgNFYg/PZv1txTlTJp12GrdynXWxEgvD9ovZhRG3cpqKHABkmPB3LO s5mfv++oIP5go+xOjGn8BRtzmuOB93u3yORJYeJv2yu0KkBMtXJ9/O0z4DEoSPfH lZgd50KlOG9pLwJNsxNEkHahrfam20UcCA//kR8GFBMp/QfjLcuExcAj1sef3IP4 awHTaBcP3SxyKzjMrqBPipzxAZENjWXQNHv0SETNj8FftIhSEcxSmAyqtDMbY2kf B5xJfzplu88D5op7zO/IvjILey1eikJFKbp950TDvmjsDHCqHWcDzSXWXOZeNyOx Bh0xwk+i0qcFLI19IGdJUGuFsyxewKpnr3OSp7KZ7mqa5VLX8leVodRpX6cA2/9x C8ozpYeoAMESD5hraGlXPu5AYqFuMK394QhawcePltUQuzi23XcZdIxuE15h+B9d VkpVIZ5xc83WUI6tW7oGjDzAC0IFcKP3XvtKFXoQfA2r5AnhMh8ZCAQkOzn1Yy25 CKFTZWhkfdZOWv/mudRPz65OrCy1F/JX+MdS8xTM8sFyLLYMyHgj7mffcxr+F5S6 nkg4lHFo9Z+icZiJiN/RprnkqwEocgqQx+/p3uZNeUOmsrcuiqA= =Dre6 -----END PGP SIGNATURE----- --Sig_/VjwGWdRbYYmHwPtJmbJ.naq--