From patchwork Mon Sep 11 03:16:25 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: 13378678 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 3E9D0EEB580 for ; Mon, 11 Sep 2023 03:17:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+JISR8pvlSNlUepouWaouKeHE1xOKIG3otUVLcNFhXI=; b=sASPKBMyt1/wQg 9P8AcuTbRBVC2Mc4AwUWVEeiKkq7J+rEUilZEUEiILlqGVpAS2g/9vmPDmAlHZCG17nlEHh6KHc3e GFIxd66uM1ThSoaR2qAkHGmNH/chHXT634TnS6NDRM9uCmBgDf7g8/xhsgA9JtzjRETolP4Dq3Chv KK/n+m+FX5uHwHcFpAXv/cfGowsawz3WyQA8jtT+jAPVRjjfERwqNbsuK5IZDaAzzuFx4CPhox2aV 0kttuiclgKLKj35aLMt12CFJIHJO4tWMFUj1vkfdPJUt/8bd/u00MORIR2F4ZpSmAY9bDu4yHxMrN XBEvagO+9HEZWfqYT7Fg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qfXQD-00H91y-0V; Mon, 11 Sep 2023 03:17:09 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qfXQ4-00H8yV-14; Mon, 11 Sep 2023 03:17:01 +0000 X-UUID: a937f952505111ee86758d4a7c00f3a0-20230910 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=7PqPiul3eWZr/vPIxBZBIKaOcN9JGOOW3J7ZWxHv7SY=; b=cy3X2jSGiNxIuwoa1QC6odmxo0DFFxmFzm8VxBj7OeChiEaCu0blVszgEGl/NHTTiO/MFZPCB+uZ2UaCySCaOHPSAstaoS/+n7A8fx0gEBE7ihJ5tUpKZXrBNGiquQCUJJfjZrNcqZI+HFiCJBiYJww51wKuxu2uImjkU9IspJg=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.31,REQID:539bbf64-bb0c-41cc-b205-a83dfc8c5f85,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:39faadbe-14cc-44ca-b657-2d2783296e72,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: a937f952505111ee86758d4a7c00f3a0-20230910 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1410916219; Sun, 10 Sep 2023 20:16:55 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 11 Sep 2023 11:16:40 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 11 Sep 2023 11:16:40 +0800 From: Hsiao Chien Sung To: AngeloGioacchino Del Regno , Chun-Kuang Hu , Krzysztof Kozlowski , Matthias Brugger , Philipp Zabel CC: , , , , Singo Chang , Nancy Lin , Jason-JH Lin , Hsiao Chien Sung Subject: [PATCH v6 15/20] drm/mediatek: Manage component's clock with function pointers Date: Mon, 11 Sep 2023 11:16:25 +0800 Message-ID: <20230911031630.12613-16-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230911031630.12613-1-shawn.sung@mediatek.com> References: <20230911031630.12613-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230910_201700_382939_5713A6AD X-CRM114-Status: GOOD ( 17.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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. Signed-off-by: Hsiao Chien Sung --- .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 111 +++++++----------- 1 file changed, 44 insertions(+), 67 deletions(-) -- 2.18.0 diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index 8a52d1301e04..84133303a6ec 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; }; struct mtk_disp_ovl_adaptor { @@ -68,20 +69,35 @@ static const char * const private_comp_stem[OVL_ADAPTOR_TYPE_NUM] = { [OVL_ADAPTOR_TYPE_MERGE] = "merge", }; +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_ETHDR0] = { OVL_ADAPTOR_TYPE_ETHDR, DDP_COMPONENT_ETHDR_MIXER, 0 }, - [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, &_ethdr }, + [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 }, }; void mtk_ovl_adaptor_layer_config(struct device *dev, unsigned int idx, @@ -187,73 +203,34 @@ void mtk_ovl_adaptor_stop(struct device *dev) int mtk_ovl_adaptor_clk_enable(struct device *dev) { - struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); - struct device *comp; - int ret; int i; - - for (i = 0; i < OVL_ADAPTOR_MERGE0; i++) { - comp = ovl_adaptor->ovl_adaptor_comp[i]; - 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; - } - } + int ret; + struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); 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); + dev = ovl_adaptor->ovl_adaptor_comp[i]; + if (!dev) + continue; + ret = comp_matches[i].funcs->clk_enable(dev); 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(dev); + return ret; } } - - 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: - while (--i >= 0) - pm_runtime_put(ovl_adaptor->ovl_adaptor_comp[i]); - - return ret; + return 0; } void mtk_ovl_adaptor_clk_disable(struct device *dev) { - struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); - struct device *comp; int i; + struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(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); - pm_runtime_put(comp); - } else if (i < OVL_ADAPTOR_ETHDR0) { - mtk_merge_clk_disable(comp); - } else { - mtk_ethdr_clk_disable(comp); - } + dev = ovl_adaptor->ovl_adaptor_comp[i]; + if (!dev) + continue; + comp_matches[i].funcs->clk_disable(dev); } }