From patchwork Tue Oct 24 13:00:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2hhd24gU3VuZyAo5a6L5a2d6KyZKQ==?= X-Patchwork-Id: 13434372 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 47307C25B48 for ; Tue, 24 Oct 2023 13:01:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 287E810E3A1; Tue, 24 Oct 2023 13:01:10 +0000 (UTC) Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3D88410E39C for ; Tue, 24 Oct 2023 13:01:02 +0000 (UTC) X-UUID: 5e6613ee726d11eea33bb35ae8d461a2-20231024 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=NXGWuZQJjTA3GL7oVMgwCnvqvD2rhiJuQmmAi3+4wzA=; b=IAA5W2PGrKlpVyrxteBvw9JVs5WBRGHW5Z+tYaAebMezOk1T2yU0YtBV5pfgqZhBEWAkmGHHG4ByKe1TGHsIviYx/2LSODEGZSl8e+E7/mVQITdJH/j5OQ0uwQVeXkh9xySLCEcz6JMpIHdxXdoIkXmCcD7DWu+TsNGKrkpvYBM=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32, REQID:9880d309-2ea3-434e-912c-7dd63b122a4f, 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:5f78ec9, CLOUDID:ac809394-10ce-4e4b-85c2-c9b5229ff92b, 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: 5e6613ee726d11eea33bb35ae8d461a2-20231024 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 734599021; Tue, 24 Oct 2023 21:00:55 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) 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; Tue, 24 Oct 2023 21:00:54 +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; Tue, 24 Oct 2023 21:00:54 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , CK Hu , Krzysztof Kozlowski , Matthias Brugger , Rob Herring Subject: [PATCH v11 13/23] drm/mediatek: Manage component's clock with function pointers Date: Tue, 24 Oct 2023 21:00:38 +0800 Message-ID: <20231024130048.14749-14-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231024130048.14749-1-shawn.sung@mediatek.com> References: <20231024130048.14749-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N 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: , Cc: Nathan Lu , Chun-Kuang Hu , Moudy Ho , Fei Shao , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Johnson Wang , "Nancy . Lin" , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, "Jason-JH . Lin" , Hsiao Chien Sung , Sean Paul , devicetree@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 d55d8931a36f..81067f49ea69 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -53,6 +53,7 @@ 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; }; struct mtk_disp_ovl_adaptor { @@ -67,20 +68,35 @@ static const char * const private_comp_stem[OVL_ADAPTOR_TYPE_NUM] = { [OVL_ADAPTOR_TYPE_ETHDR] = "ethdr", }; +static const struct mtk_ddp_comp_funcs ethdr = { + .clk_enable = mtk_ethdr_clk_enable, + .clk_disable = mtk_ethdr_clk_disable, +}; + +static const struct mtk_ddp_comp_funcs merge = { + .clk_enable = mtk_merge_clk_enable, + .clk_disable = mtk_merge_clk_disable, +}; + +static const struct mtk_ddp_comp_funcs rdma = { + .clk_enable = mtk_mdp_rdma_clk_enable, + .clk_disable = mtk_mdp_rdma_clk_disable, +}; + static const struct ovl_adaptor_comp_match comp_matches[OVL_ADAPTOR_ID_MAX] = { - [OVL_ADAPTOR_MDP_RDMA0] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA0, 0 }, - [OVL_ADAPTOR_MDP_RDMA1] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA1, 1 }, - [OVL_ADAPTOR_MDP_RDMA2] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA2, 2 }, - [OVL_ADAPTOR_MDP_RDMA3] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA3, 3 }, - [OVL_ADAPTOR_MDP_RDMA4] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA4, 4 }, - [OVL_ADAPTOR_MDP_RDMA5] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA5, 5 }, - [OVL_ADAPTOR_MDP_RDMA6] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA6, 6 }, - [OVL_ADAPTOR_MDP_RDMA7] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA7, 7 }, - [OVL_ADAPTOR_MERGE0] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE1, 1 }, - [OVL_ADAPTOR_MERGE1] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE2, 2 }, - [OVL_ADAPTOR_MERGE2] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE3, 3 }, - [OVL_ADAPTOR_MERGE3] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE4, 4 }, - [OVL_ADAPTOR_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, DDP_COMPONENT_ETHDR_MIXER, 0 }, + [OVL_ADAPTOR_MDP_RDMA0] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA0, 0, &rdma }, + [OVL_ADAPTOR_MDP_RDMA1] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA1, 1, &rdma }, + [OVL_ADAPTOR_MDP_RDMA2] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA2, 2, &rdma }, + [OVL_ADAPTOR_MDP_RDMA3] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA3, 3, &rdma }, + [OVL_ADAPTOR_MDP_RDMA4] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA4, 4, &rdma }, + [OVL_ADAPTOR_MDP_RDMA5] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA5, 5, &rdma }, + [OVL_ADAPTOR_MDP_RDMA6] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA6, 6, &rdma }, + [OVL_ADAPTOR_MDP_RDMA7] = { OVL_ADAPTOR_TYPE_MDP_RDMA, DDP_COMPONENT_MDP_RDMA7, 7, &rdma }, + [OVL_ADAPTOR_MERGE0] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE1, 1, &merge }, + [OVL_ADAPTOR_MERGE1] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE2, 2, &merge }, + [OVL_ADAPTOR_MERGE2] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE3, 3, &merge }, + [OVL_ADAPTOR_MERGE3] = { OVL_ADAPTOR_TYPE_MERGE, DDP_COMPONENT_MERGE4, 4, &merge }, + [OVL_ADAPTOR_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, DDP_COMPONENT_ETHDR_MIXER, 0, ðdr }, }; void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, @@ -196,40 +212,25 @@ int mtk_ovl_adaptor_clk_enable(struct device *dev) ret = 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; } } for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) { comp = ovl_adaptor->ovl_adaptor_comp[i]; - - if (i < OVL_ADAPTOR_MERGE0) - ret = mtk_mdp_rdma_clk_enable(comp); - else if (i < OVL_ADAPTOR_ETHDR0) - ret = mtk_merge_clk_enable(comp); - else - ret = mtk_ethdr_clk_enable(comp); + if (!comp || !comp_matches[i].funcs->clk_enable) + continue; + ret = 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 >= 0) + comp_matches[i].funcs->clk_disable(comp); + i = OVL_ADAPTOR_MERGE0; + goto error; } } - - return ret; - -clk_err: - while (--i >= 0) { - comp = 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 = OVL_ADAPTOR_MERGE0; - -pwr_err: + return 0; +error: while (--i >= 0) pm_runtime_put(ovl_adaptor->ovl_adaptor_comp[i]); @@ -244,15 +245,11 @@ void mtk_ovl_adaptor_clk_disable(struct device *dev) for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) { comp = 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); - } } }