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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99E12C77B75 for ; Tue, 9 May 2023 02:14:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234190AbjEICOU (ORCPT ); Mon, 8 May 2023 22:14:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234197AbjEICOL (ORCPT ); Mon, 8 May 2023 22:14:11 -0400 Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29A7A93E6; Mon, 8 May 2023 19:14:10 -0700 (PDT) Received: from [127.0.0.1] (p578adb1c.dip0.t-ipconnect.de [87.138.219.28]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 8BA0784788; Tue, 9 May 2023 04:14:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1683598448; bh=SIC05a1h6bRWGMz9RDdtOyxBzwCAwNUqEJPqWKbzSxc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=aMeANNK+KgPlA8gSVw6iwHDK5qOPrrNoMCyGrDKeLXHJjGXMB01w2l0TPVRok5pxu CYFZQQzBwg6m0cLdqDuI+y1kdmedWI/SEFyf4zKZunINZ0uJPFeoGMayZtDstQGbD/ lzfIW0ACxfKWsmCvGW4a5i/u+y+cr8Ob2dHEGtk6DI0sQGe3Eu9oJNOnF+GwqLJqkM ru8JpSQ8h/n4CMeLldiRcTPwPGeoFRPaUBkwAKXjRzRgb37qQQuNQjhNIQmvS9Cizu 7bT9f8vg9cmB5qzX7KYeF6tHAmoP/63KDhHotbDjDG9jEqENNdpz69Wrh0OFS3vyyh s5WCFZf/otDJA== Message-ID: <211f0b07-568e-509d-464a-2f8821d300d7@denx.de> Date: Tue, 9 May 2023 02:11:10 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH v5 3/6] drm: lcdif: Determine bus format and flags in ->atomic_check() Content-Language: en-US To: Liu Ying , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: stefan@agner.ch, airlied@gmail.com, daniel@ffwll.ch, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, krzysztof.kozlowski@linaro.org, LW@karo-electronics.de, alexander.stein@ew.tq-group.com References: <20230508055740.635256-1-victor.liu@nxp.com> <20230508055740.635256-4-victor.liu@nxp.com> From: Marek Vasut In-Reply-To: <20230508055740.635256-4-victor.liu@nxp.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/8/23 07:57, Liu Ying wrote: > Instead of determining LCDIF output bus format and bus flags in > ->atomic_enable(), do that in ->atomic_check(). This is a > preparation for the upcoming patch to check consistent bus format > and bus flags across all first downstream bridges in ->atomic_check(). > New lcdif_crtc_state structure is introduced to cache bus format > and bus flags states in ->atomic_check() so that they can be read > in ->atomic_enable(). > > Tested-by: Alexander Stein > Reviewed-by: Alexander Stein > Signed-off-by: Liu Ying Reviewed-by: Marek Vasut