From nobody Fri Sep 20 09:39:58 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 7EC75C4332F for ; Thu, 14 Dec 2023 06:00:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1443295AbjLNGAu (ORCPT ); Thu, 14 Dec 2023 01:00:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230034AbjLNF7r (ORCPT ); Thu, 14 Dec 2023 00:59:47 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9261418B; Wed, 13 Dec 2023 21:59:01 -0800 (PST) X-UUID: db22954c9a4511eea5db2bebc7c28f94-20231214 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=Twmmag5MwvkgiILdQ8ML6Ne9q0reVvpGkR+7v4r1CTw=; b=af1/zlILspE0EgFL067PYHHRFFKeiD3KbVVLQenUW5acNj6BuPi9Bzxtlan5ss/VYcqUoQSBg9mbiCpgLjbnIaZbpzxoCGKFPXF9SuNe+8/+eBX2Ht0+udAb4pIBPp0Hft0u3HTVmDjWWVOUwCt3k7UJEsi65Jj66UBuxDqO3Pc=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.35,REQID:37caccca-f583-4359-90db-b3d191f3614d,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:5d391d7,CLOUDID:8b5fc673-1bd3-4f48-b671-ada88705968c,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,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,TF_CID_SPAM_ULN X-UUID: db22954c9a4511eea5db2bebc7c28f94-20231214 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1560131738; Thu, 14 Dec 2023 13:58:51 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 14 Dec 2023 13:58:50 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 14 Dec 2023 13:58:50 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , CK Hu CC: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Matthias Brugger , Moudy Ho , Hsiao Chien Sung , Nathan Lu , "Nancy . Lin" , "Roy-CW . Yeh" , "Jason-JH . Lin" , xinlei lee , , , , , Subject: [PATCH v12 13/23] drm/mediatek: Manage component's clock with function pointers Date: Thu, 14 Dec 2023 13:58:37 +0800 Message-ID: <20231214055847.4936-14-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231214055847.4936-1-shawn.sung@mediatek.com> References: <20231214055847.4936-1-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" By registering component related functions to the pointers, we can easily manage them within a for-loop and simplify the logic of clock control significantly. Reviewed-by: CK Hu Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 89 +++++++++---------- 1 file changed, 43 insertions(+), 46 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/= drm/mediatek/mtk_disp_ovl_adaptor.c index 9f569d0f52b3..a815dc8e2110 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -54,6 +54,7 @@ struct ovl_adaptor_comp_match { enum mtk_ovl_adaptor_comp_type type; enum mtk_ddp_comp_id comp_id; int alias_id; + const struct mtk_ddp_comp_funcs *funcs; }; =20 struct mtk_disp_ovl_adaptor { @@ -68,20 +69,35 @@ static const char * const private_comp_stem[OVL_ADAPTOR= _TYPE_NUM] =3D { [OVL_ADAPTOR_TYPE_ETHDR] =3D "ethdr", }; =20 +static const struct mtk_ddp_comp_funcs ethdr =3D { + .clk_enable =3D mtk_ethdr_clk_enable, + .clk_disable =3D mtk_ethdr_clk_disable, +}; + +static const struct mtk_ddp_comp_funcs merge =3D { + .clk_enable =3D mtk_merge_clk_enable, + .clk_disable =3D mtk_merge_clk_disable, +}; + +static const struct mtk_ddp_comp_funcs rdma =3D { + .clk_enable =3D mtk_mdp_rdma_clk_enable, + .clk_disable =3D mtk_mdp_rdma_clk_disable, +}; + static const struct ovl_adaptor_comp_match comp_matches[OVL_ADAPTOR_ID_MAX= ] =3D { - [OVL_ADAPTOR_MDP_RDMA0] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA0, 0 }, - [OVL_ADAPTOR_MDP_RDMA1] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA1, 1 }, - [OVL_ADAPTOR_MDP_RDMA2] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA2, 2 }, - [OVL_ADAPTOR_MDP_RDMA3] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA3, 3 }, - [OVL_ADAPTOR_MDP_RDMA4] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA4, 4 }, - [OVL_ADAPTOR_MDP_RDMA5] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA5, 5 }, - [OVL_ADAPTOR_MDP_RDMA6] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA6, 6 }, - [OVL_ADAPTOR_MDP_RDMA7] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA7, 7 }, - [OVL_ADAPTOR_MERGE0] =3D { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE1, = 1 }, - [OVL_ADAPTOR_MERGE1] =3D { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE2, = 2 }, - [OVL_ADAPTOR_MERGE2] =3D { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE3, = 3 }, - [OVL_ADAPTOR_MERGE3] =3D { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE4, = 4 }, - [OVL_ADAPTOR_ETHDR0] =3D { OVL_ADAPTOR_TYPE_ETHDR, DDP_COMPONENT_ETHDR_MI= XER, 0 }, + [OVL_ADAPTOR_MDP_RDMA0] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA0, 0, &rdma }, + [OVL_ADAPTOR_MDP_RDMA1] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA1, 1, &rdma }, + [OVL_ADAPTOR_MDP_RDMA2] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA2, 2, &rdma }, + [OVL_ADAPTOR_MDP_RDMA3] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA3, 3, &rdma }, + [OVL_ADAPTOR_MDP_RDMA4] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA4, 4, &rdma }, + [OVL_ADAPTOR_MDP_RDMA5] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA5, 5, &rdma }, + [OVL_ADAPTOR_MDP_RDMA6] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA6, 6, &rdma }, + [OVL_ADAPTOR_MDP_RDMA7] =3D { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MD= P_RDMA7, 7, &rdma }, + [OVL_ADAPTOR_MERGE0] =3D { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE1, = 1, &merge }, + [OVL_ADAPTOR_MERGE1] =3D { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE2, = 2, &merge }, + [OVL_ADAPTOR_MERGE2] =3D { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE3, = 3, &merge }, + [OVL_ADAPTOR_MERGE3] =3D { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE4, = 4, &merge }, + [OVL_ADAPTOR_ETHDR0] =3D { OVL_ADAPTOR_TYPE_ETHDR, DDP_COMPONENT_ETHDR_MI= XER, 0, ðdr }, }; =20 void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, @@ -197,40 +213,25 @@ int mtk_ovl_adaptor_clk_enable(struct device *dev) ret =3D pm_runtime_get_sync(comp); if (ret < 0) { dev_err(dev, "Failed to enable power domain %d, err %d\n", i, ret); - goto pwr_err; + goto error; } } =20 for (i =3D 0; i < OVL_ADAPTOR_ID_MAX; i++) { comp =3D ovl_adaptor->ovl_adaptor_comp[i]; - - if (i < OVL_ADAPTOR_MERGE0) - ret =3D mtk_mdp_rdma_clk_enable(comp); - else if (i < OVL_ADAPTOR_ETHDR0) - ret =3D mtk_merge_clk_enable(comp); - else - ret =3D mtk_ethdr_clk_enable(comp); + if (!comp || !comp_matches[i].funcs->clk_enable) + continue; + ret =3D comp_matches[i].funcs->clk_enable(comp); if (ret) { dev_err(dev, "Failed to enable clock %d, err %d\n", i, ret); - goto clk_err; + while (--i >=3D 0) + comp_matches[i].funcs->clk_disable(comp); + i =3D OVL_ADAPTOR_MERGE0; + goto error; } } - - return ret; - -clk_err: - while (--i >=3D 0) { - comp =3D ovl_adaptor->ovl_adaptor_comp[i]; - if (i < OVL_ADAPTOR_MERGE0) - mtk_mdp_rdma_clk_disable(comp); - else if (i < OVL_ADAPTOR_ETHDR0) - mtk_merge_clk_disable(comp); - else - mtk_ethdr_clk_disable(comp); - } - i =3D OVL_ADAPTOR_MERGE0; - -pwr_err: + return 0; +error: while (--i >=3D 0) pm_runtime_put(ovl_adaptor->ovl_adaptor_comp[i]); =20 @@ -245,15 +246,11 @@ void mtk_ovl_adaptor_clk_disable(struct device *dev) =20 for (i =3D 0; i < OVL_ADAPTOR_ID_MAX; i++) { comp =3D ovl_adaptor->ovl_adaptor_comp[i]; - - if (i < OVL_ADAPTOR_MERGE0) { - mtk_mdp_rdma_clk_disable(comp); + if (!comp || !comp_matches[i].funcs->clk_disable) + continue; + comp_matches[i].funcs->clk_disable(comp); + if (i < OVL_ADAPTOR_MERGE0) pm_runtime_put(comp); - } else if (i < OVL_ADAPTOR_ETHDR0) { - mtk_merge_clk_disable(comp); - } else { - mtk_ethdr_clk_disable(comp); - } } } =20 --=20 2.18.0