From nobody Thu Nov 14 06:00:04 2024 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 37BCAEE49A3 for ; Wed, 23 Aug 2023 15:14:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236874AbjHWPOG (ORCPT ); Wed, 23 Aug 2023 11:14:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43716 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233188AbjHWPOE (ORCPT ); Wed, 23 Aug 2023 11:14:04 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 59513101 for ; Wed, 23 Aug 2023 08:14:01 -0700 (PDT) X-UUID: ac9baf0a41c711ee9cb5633481061a41-20230823 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=pXy7oOevcRDs5O5uoMZx2+OGIbiHQEtS4ud7ZVYHScQ=; b=EGS6U/yS2pC5eGV66TLTEt6F0t/8drQi2I19rnpoRmg+nE0gHlfoFpbFQF7JzIipWVC3Pqt1G+r3Tsy7tzYqcxxoeFTz5hs7Aah/clEtTk1KEUZ/D967evnlKGSrqqadALP/0OcvMmjdzoBk1JHQiB0Xt+v8VomUs85hBnKOgYw=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.31,REQID:8bd3363e-9008-4902-89cf-73d082cffdad,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:0ad78a4,CLOUDID:0b6bddee-9a6e-4c39-b73e-f2bc08ca3dc5,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: ac9baf0a41c711ee9cb5633481061a41-20230823 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 133515534; Wed, 23 Aug 2023 23:13:54 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 23 Aug 2023 23:13:53 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 23 Aug 2023 23:13:53 +0800 From: Hsiao Chien Sung To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno , "Jassi Brar" CC: , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH 05/15] drm/mediatek: Support alpha blending in display driver Date: Wed, 23 Aug 2023 23:13:22 +0800 Message-ID: <20230823151332.28811-6-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230823151332.28811-1-shawn.sung@mediatek.com> References: <20230823151332.28811-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Support alpha blending by adding correct blend mode and alpha property in plane initialization. Signed-off-by: Hsiao Chien Sung Reviewed-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/mtk_drm_plane.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/med= iatek/mtk_drm_plane.c index 31f9420aff6f..ca22d02375d5 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -305,6 +305,9 @@ int mtk_plane_init(struct drm_device *dev, struct drm_p= lane *plane, size_t num_formats) { int err; + u32 blend_mode =3D BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE); =20 if (!formats || !num_formats) { DRM_ERROR("no formats for plane\n"); @@ -327,6 +330,14 @@ int mtk_plane_init(struct drm_device *dev, struct drm_= plane *plane, DRM_INFO("Create rotation property failed\n"); } =20 + err =3D drm_plane_create_alpha_property(plane); + if (err) + DRM_ERROR("failed to create property: alpha\n"); + + err =3D drm_plane_create_blend_mode_property(plane, blend_mode); + if (err) + DRM_ERROR("failed to create property: blend_mode\n"); + drm_plane_helper_add(plane, &mtk_plane_helper_funcs); =20 return 0; --=20 2.18.0