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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT 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 A7334ECDFB8 for ; Wed, 18 Jul 2018 15:23:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6734920850 for ; Wed, 18 Jul 2018 15:23:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6734920850 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731204AbeGRQCH (ORCPT ); Wed, 18 Jul 2018 12:02:07 -0400 Received: from mail.bootlin.com ([62.4.15.54]:57897 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730735AbeGRQCH (ORCPT ); Wed, 18 Jul 2018 12:02:07 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id CADA3207E8; Wed, 18 Jul 2018 17:23:41 +0200 (CEST) Received: from localhost (AAubervilliers-681-1-27-161.w90-88.abo.wanadoo.fr [90.88.147.161]) by mail.bootlin.com (Postfix) with ESMTPSA id A0A6820766; Wed, 18 Jul 2018 17:23:41 +0200 (CEST) Date: Wed, 18 Jul 2018 17:23:41 +0200 From: Maxime Ripard To: Paul Kocialkowski Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, David Airlie , Chen-Yu Tsai , Thomas Petazzoni , linux-sunxi@googlegroups.com Subject: Re: [PATCH v2] drm/sun4i: sun4i: Introduce a quirk for lowest plane alpha support Message-ID: <20180718152341.zr32w5cjtpfec4xe@flea> References: <20180718092948.15334-1-paul.kocialkowski@bootlin.com> <76279f0a265bfbe509074fcff3156a437e7091dd.camel@bootlin.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="wflxnniappgthqoh" Content-Disposition: inline In-Reply-To: <76279f0a265bfbe509074fcff3156a437e7091dd.camel@bootlin.com> User-Agent: NeoMutt/20180622 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --wflxnniappgthqoh Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 18, 2018 at 11:35:23AM +0200, Paul Kocialkowski wrote: > On Wed, 2018-07-18 at 11:29 +0200, Paul Kocialkowski wrote: > > Not all sunxi platforms with the first version of the Display Engine > > support an alpha component on the plane with the lowest z position > > (as in: lowest z-pos), that gets blended with the background color. > >=20 > > In particular, the A13 is known to have this limitation. However, it was > > recently discovered that the A20 and A33 are capable of having alpha on > > their lowest plane. > >=20 > > Thus, this introduces a specific quirk to indicate such support, > > per-platform. Since this was not tested on sun4i and sun6i platforms, a > > conservative approach is kept and this feature is not supported. >=20 > Woops, I forgot to include PATCH 1/2 from v1, which did not change. >=20 > Would it be preferable for me to send v2 again (and maybe call it v3) > for convenience? Yeah, resend it, and call it v2 resend (explaining why a resend was needed). Maxime --=20 Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com --wflxnniappgthqoh Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAltPW3wACgkQ0rTAlCFN r3RhMQ//WHLtA5QpRkA+v3plxZ36kfQoi0vDYSymF8DbL4PRNle1LaVTEgV1co8S 1+Hyr2Y4CsE4zQ3aZXUsbkurXTFeXSW1d9zk2083a1qB71159BDtfBNTZ4mhBz0q hFNBolQPT8TdRVqN2EBZ29l0ZoKYmfm6630A4P2yTctv5rtc1lPTgLHCwpRjYm9N OO3TljS49zLv9S0bqQdl4CMAHBXtw6WK9500DyaFQH0xJ06cq2y5Gc+0OPjwn5Cy 25Sa5TlOQRZA9vR8IPP7cjgQ+Trdu4cEECGM3UahiWXl4Jd2IarnLWLQWPg0zqJN DAB3YmCoyRcnA8Mp61Gr8YE/PmdO4MT0hrI1KfpHZvpel5Lf4ofhGPKpV4UqU86X nsJAtmGIYa4EegpLZVxvcnzcKW2IHe7etX4f6OBGPJNdtf1jF5F44+BspdLd8fAD 1KjXHV6KWyRS0Wi7/1cQFMYkcWWRZAt4PgNqRmiwjyIyju0jsi6k6PlJ7670JDSw e3l+yL4p9Q/MlZTqirjvSzaaekMNqUWoJ2hLXTT/45+Z21pbx7W1huBQJC1uWGho paL9epELu+2PNxTwqCTu5/bRAdaeVNGc2Bz5qBc3d6FLJSIHFG5093WfvhclJU+u /tnUHUVCrqNqiKcwhSrYY4t7gxE5RoBm28et89WPrqz0bHGCTHI= =8SKu -----END PGP SIGNATURE----- --wflxnniappgthqoh--