From patchwork Thu Sep 2 15:30:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Raphael Gallais-Pou X-Patchwork-Id: 12471893 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 513FBC432BE for ; Thu, 2 Sep 2021 15:31:11 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 119A761053 for ; Thu, 2 Sep 2021 15:31:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 119A761053 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=foss.st.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B5C586E5BD; Thu, 2 Sep 2021 15:31:09 +0000 (UTC) Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [185.132.182.106]) by gabe.freedesktop.org (Postfix) with ESMTPS id D9F0A6E5BF for ; Thu, 2 Sep 2021 15:31:07 +0000 (UTC) Received: from pps.filterd (m0241204.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.0.43) with SMTP id 182Ehat5032332; Thu, 2 Sep 2021 17:30:59 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : content-type : content-transfer-encoding : mime-version; s=selector1; bh=FqkU+U2qaJ6aY22CM876gTpmSnYzT1Zb7tNI+fa5WoY=; b=r2k3EHW9CDxpMe6gIJbnOrL8BawSiDBuAkKMPvEoweet4/ueOXi3cmsM0K5nioK3/+sS BV1SCjcp/RUAfi2VgPSVwS2Ovh7cOvvJdVAMaxypk0nORjIdqc++bvs1etrbKvne1LYF fOvjoQ8EckSPaEbnDrZLkc0EpXJapBz4MatKKagIw6sh79EmUJhrBWiNguMbixKXuxur NwyIE01OaDcNnjNiugsLI7ltysATmrDKDf6tm9SzSiINZw5qlcrbUKTY8b69d7qdiXEx 5xgv3jVlhDgmNrquMMQPz3BI+yDpgBLRIl1ljJd3L7+mMUdt/0GH+VZzOqx7fmYXTufb BA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 3atujr26nq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Sep 2021 17:30:59 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 05EEA10002A; Thu, 2 Sep 2021 17:30:59 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node1.st.com [10.75.127.4]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id EA875218104; Thu, 2 Sep 2021 17:30:58 +0200 (CEST) Received: from SFHDAG2NODE3.st.com (10.75.127.6) by SFHDAG2NODE1.st.com (10.75.127.4) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 2 Sep 2021 17:30:58 +0200 Received: from SFHDAG2NODE3.st.com ([fe80::31b3:13bf:2dbe:f64c]) by SFHDAG2NODE3.st.com ([fe80::31b3:13bf:2dbe:f64c%20]) with mapi id 15.00.1497.015; Thu, 2 Sep 2021 17:30:58 +0200 From: Raphael GALLAIS-POU - foss To: Yannick FERTRE - foss , Philippe CORNU - foss , Benjamin Gaignard CC: David Airlie , Daniel Vetter , "Maxime Coquelin" , Alexandre TORGUE - foss , "dri-devel@lists.freedesktop.org" , "linux-stm32@st-md-mailman.stormreply.com" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Raphael GALLAIS-POU - foss , Raphael GALLAIS-POU Subject: [PATCH] drm/stm: ltdc: attach immutable zpos property to planes Thread-Topic: [PATCH] drm/stm: ltdc: attach immutable zpos property to planes Thread-Index: AQHXoA+GiNV5N6DIcUSGOuN2jPsbMQ== Date: Thu, 2 Sep 2021 15:30:57 +0000 Message-ID: <20210902152605.12420-1-raphael.gallais-pou@foss.st.com> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.45] MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-09-02_04,2021-09-02_03,2020-04-07_01 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Defines plane ordering by hard-coding an immutable Z position from the first plane, used as primary layer, to the next ones as overlay in order of instantiation. This zpos is only an information as it is not possible to modify it, blending operations are still applied from the top to the bottom layer. This patch helps to remove a warning message from the Android Hardware Composer. Signed-off-by: Raphael Gallais-Pou Acked-by: Yannick Fertre Reviewed-by: Yannick Fertre --- drivers/gpu/drm/stm/ltdc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 195de30eb90c..bd603ef5e935 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -1024,6 +1024,8 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc) return -EINVAL; } + drm_plane_create_zpos_immutable_property(primary, 0); + ret = drm_crtc_init_with_planes(ddev, crtc, primary, NULL, <dc_crtc_funcs, NULL); if (ret) { @@ -1046,6 +1048,7 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc) DRM_ERROR("Can not create overlay plane %d\n", i); goto cleanup; } + drm_plane_create_zpos_immutable_property(overlay, i); } return 0;