Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp562922imu; Tue, 27 Nov 2018 03:01:36 -0800 (PST) X-Google-Smtp-Source: AFSGD/U6kPDii6msrHOvwJqFMu9wL72TDN7sKE9jI8YB0TXJE9tp7bc9tWhcHl2mXeCzty0RhXaL X-Received: by 2002:a17:902:bf0c:: with SMTP id bi12mr4801402plb.0.1543316496796; Tue, 27 Nov 2018 03:01:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543316496; cv=none; d=google.com; s=arc-20160816; b=j+4YmfBG0apEhef5AQdBv984MCAlLz6zKUyEB+QZIAarhGyiwOVBZdwPO4SWLTvqg7 8JvuKwzFj74zQdY3G3oSptSLFMtQEoJCp82GmZP6AvKnFVpNy2ero0Pr3C41mYZ6JUOK ic0uZ9KTwoWcp4q1RBxDmZCwsfUYb+RKzxLxgiusPI3StfRZF6Kl4pIVkPa7DrCa959l Q9ijwxSnEi70ovnyU10yu0PzSl/FApenFoL8ihgvxxsskTeKdrDXXYatGv8hcGlTrh/G i6Ii5na9i/jJvLhdiCOBVIXfzg41w7kfhOXabQn+2uYpDySMhKf7DJEq0X7zaZF9zAjr Y0SA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=G+dfvjW2HywcqhSfLUS4uNf1heiayZBAbrJoGnhZ4Ss=; b=k+skPTPcfiu2LKIcn+dVwyWs5bfS5M4OeCg1pceksc68qZBzZbqaIxtfQbBC1lSLvS nB7pD+FjvCvXHvBUMNnPdDjw4XAonQCx9BMw30g7mka6OzPwXqg3lRQ7bor7GTUYwrnl gQlx/qyH02fUe/pZjWjsT8tiQrAJC/ph6wahQ1f8a1832vbajjdmwzvtMcNOxQOgGbH4 N6G0v+kDHZZQOLPtUAlUzX7t7pQmE9nPOtZG/yBVD3358iOziQxBg4eyhqJHytL74U0R gv95RFgzFVcJxLl1vYnjvkkbPk6vUgksOXRTTUwcMV3LBREhC+e6WDrmNbU/lf8QCJC/ h1/g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 38si3032284pgx.460.2018.11.27.03.01.14; Tue, 27 Nov 2018 03:01:36 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729472AbeK0T2m (ORCPT + 99 others); Tue, 27 Nov 2018 14:28:42 -0500 Received: from mail.bootlin.com ([62.4.15.54]:55445 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729129AbeK0T2l (ORCPT ); Tue, 27 Nov 2018 14:28:41 -0500 Received: by mail.bootlin.com (Postfix, from userid 110) id 7162B20DBE; Tue, 27 Nov 2018 09:31:33 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on mail.bootlin.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.4.2 Received: from localhost (aaubervilliers-681-1-94-205.w90-88.abo.wanadoo.fr [90.88.35.205]) by mail.bootlin.com (Postfix) with ESMTPSA id 423B8207BC; Tue, 27 Nov 2018 09:31:23 +0100 (CET) Date: Tue, 27 Nov 2018 09:31:23 +0100 From: Maxime Ripard To: Paul Kocialkowski Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, Maarten Lankhorst , Sean Paul , David Airlie , Chen-Yu Tsai , Thomas Petazzoni , linux-sunxi@googlegroups.com, Daniel Vetter Subject: Re: [PATCH v2 02/43] drm/sun4i: frontend: Replace ARGB with XRGB as supported format Message-ID: <20181127083123.ok6eftf2nd4arqe5@flea> References: <20181123092515.2511-1-paul.kocialkowski@bootlin.com> <20181123092515.2511-3-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="b3xfdm4n7fbyncrm" Content-Disposition: inline In-Reply-To: <20181123092515.2511-3-paul.kocialkowski@bootlin.com> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --b3xfdm4n7fbyncrm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Nov 23, 2018 at 10:24:34AM +0100, Paul Kocialkowski wrote: > The frontend documentation (for the A33) mentions that ARGB is supported > as output, but with the alpha component always set to 0xff. In practice, > this means that the alpha component cannot be preserved when going > through the frontend. Since the information is lost, ARGB is not > properly supported. >=20 > As a result, expose the matching format supported by the frontend (both > for input and output) as XRGB instead of ARGB. >=20 > Since ARGB was the selected format for connecting the frontend to the > backend, change it to XRGB to reflect this as well. >=20 > The A31 and A80 SoCs apparently have a bit to enable proper alpha, > but this is not supported at this point (see the comment already in the > code). >=20 > Signed-off-by: Paul Kocialkowski Applied, thanks! Maxime --=20 Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --b3xfdm4n7fbyncrm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCW/0A2wAKCRDj7w1vZxhR xXMlAQDMMrbN5E5MhUvac4STw4t34AqYsOuAD8fKf/x0z+hC4QEAjMrEMnm/Vn1W FylgWYaWFTdKyGc5ChlTyeV9cRzJqgA= =LSdU -----END PGP SIGNATURE----- --b3xfdm4n7fbyncrm--