From patchwork Mon Mar 27 03:13:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moudy Ho X-Patchwork-Id: 13188514 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 BB178C761AF for ; Mon, 27 Mar 2023 03:14:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PaK2Ax1nukBsK7RDktlgDq7qAPbABrE9aD80ZftMZu4=; b=XvKquqhQS1ZQZNl3iLJ5R3wsdZ S0b7b+2s2zws9xB754Jaz4Uozwj0XO6T3ItDZic7DdYUGu00HVEthtfKn0offrAHLER0BAXBnL5C5 7lZJKArkRyOIjLFn/uxnA1LfRyQlgQMDlWUxpwxNi1UEPR18DPOFjKm8HGsqw7nF5erhILWMg2uLn EJMVDtczTem0s8l23ZqiRUuadMX2BUu1gDRunX9yydIJSEhFbdpEDDm9DAJbKg2uHR6GMOkKb+2Zt ioPiCYUiO5R+THKReRaTdKdnz3DhC+0Bcu/02uh0Zf0t0jLP7lIctjjWqZ+Ao+iSKPjI8wShWADHo rUE4z+hQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pgdJQ-009c7z-0Q; Mon, 27 Mar 2023 03:14:24 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pgdJL-009c4l-2F; Mon, 27 Mar 2023 03:14:21 +0000 X-UUID: 7267397acc4d11ed8687db9d93187ff1-20230326 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=PaK2Ax1nukBsK7RDktlgDq7qAPbABrE9aD80ZftMZu4=; b=rBVWvUALrJ+RitkWMhaWhh4Zzd6kgnbExEvXeEvlJcBElD2YtUXnqnMHhBPipklMy+e26MXtUJiTegS2qG6jIizcJPp+zbEF/Wdb4ZkTHl7UYI7ewJGZ7Ob3w4IyN314QRYzGGxIjX7z3kP1V3ZrREhDqJstsZpHEaeYKSioFA4=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:57186559-7bca-410c-b867-a331bf8c301d,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:120426c,CLOUDID:aad88f29-564d-42d9-9875-7c868ee415ec,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 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-UUID: 7267397acc4d11ed8687db9d93187ff1-20230326 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1207099880; Sun, 26 Mar 2023 20:14:12 -0700 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 15.2.1118.25; Mon, 27 Mar 2023 11:13:37 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Mon, 27 Mar 2023 11:13:37 +0800 From: Moudy Ho To: Mauro Carvalho Chehab , Matthias Brugger , Hans Verkuil , Ping-Hsun Wu CC: , , , , , Moudy Ho Subject: [PATCH v7 09/12] media: platform: mtk-mdp3: dynamically allocate component clocks Date: Mon, 27 Mar 2023 11:13:32 +0800 Message-ID: <20230327031335.9663-10-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230327031335.9663-1-moudy.ho@mediatek.com> References: <20230327031335.9663-1-moudy.ho@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-20230326_201419_742124_DF430A78 X-CRM114-Status: GOOD ( 19.20 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org For extensibility of adding more MDP3 components in the further, the magic number is removed by dynamically allocating component clocks. Signed-off-by: Moudy Ho --- .../platform/mediatek/mdp3/mtk-mdp3-comp.c | 50 +++++++++++-------- .../platform/mediatek/mdp3/mtk-mdp3-comp.h | 3 +- 2 files changed, 31 insertions(+), 22 deletions(-) diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c index 49bfe0094b19..d9963f265a07 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c @@ -641,7 +641,8 @@ int mdp_comp_clock_on(struct device *dev, struct mdp_comp *comp) { int i, ret; - if (comp->comp_dev) { + /* Only DMA capable components need the pm control */ + if (comp->comp_dev && is_dma_capable(comp->type)) { ret = pm_runtime_resume_and_get(comp->comp_dev); if (ret < 0) { dev_err(dev, @@ -651,7 +652,7 @@ int mdp_comp_clock_on(struct device *dev, struct mdp_comp *comp) } } - for (i = 0; i < ARRAY_SIZE(comp->clks); i++) { + for (i = 0; i < comp->clk_num; i++) { if (IS_ERR_OR_NULL(comp->clks[i])) continue; ret = clk_prepare_enable(comp->clks[i]); @@ -671,7 +672,7 @@ int mdp_comp_clock_on(struct device *dev, struct mdp_comp *comp) continue; clk_disable_unprepare(comp->clks[i]); } - if (comp->comp_dev) + if (comp->comp_dev && is_dma_capable(comp->type)) pm_runtime_put_sync(comp->comp_dev); return ret; @@ -681,13 +682,13 @@ void mdp_comp_clock_off(struct device *dev, struct mdp_comp *comp) { int i; - for (i = 0; i < ARRAY_SIZE(comp->clks); i++) { + for (i = 0; i < comp->clk_num; i++) { if (IS_ERR_OR_NULL(comp->clks[i])) continue; clk_disable_unprepare(comp->clks[i]); } - if (comp->comp_dev) + if (comp->comp_dev && is_dma_capable(comp->type)) pm_runtime_put(comp->comp_dev); } @@ -766,7 +767,7 @@ static int mdp_comp_init(struct mdp_dev *mdp, struct device_node *node, struct mdp_comp *comp, enum mtk_mdp_comp_id id) { struct device *dev = &mdp->pdev->dev; - int clk_num; + struct platform_device *pdev_c; int clk_ofst; int i; s32 event; @@ -776,6 +777,14 @@ static int mdp_comp_init(struct mdp_dev *mdp, struct device_node *node, return -EINVAL; } + pdev_c = of_find_device_by_node(node); + if (!pdev_c) { + dev_warn(dev, "can't find platform device of node:%s\n", + node->name); + return -ENODEV; + } + + comp->comp_dev = &pdev_c->dev; comp->public_id = id; comp->type = mdp->mdp_data->comp_data[id].match.type; comp->inner_id = mdp->mdp_data->comp_data[id].match.inner_id; @@ -783,10 +792,15 @@ static int mdp_comp_init(struct mdp_dev *mdp, struct device_node *node, comp->ops = mdp_comp_ops[comp->type]; __mdp_comp_init(mdp, node, comp); - clk_num = mdp->mdp_data->comp_data[id].info.clk_num; + comp->clk_num = mdp->mdp_data->comp_data[id].info.clk_num; + comp->clks = devm_kzalloc(dev, sizeof(struct clk *) * comp->clk_num, + GFP_KERNEL); + if (!comp->clks) + return -ENOMEM; + clk_ofst = mdp->mdp_data->comp_data[id].info.clk_ofst; - for (i = 0; i < clk_num; i++) { + for (i = 0; i < comp->clk_num; i++) { comp->clks[i] = of_clk_get(node, i + clk_ofst); if (IS_ERR(comp->clks[i])) break; @@ -823,6 +837,11 @@ static void mdp_comp_deinit(struct mdp_comp *comp) if (!comp) return; + if (comp->comp_dev && comp->clks) { + devm_kfree(&comp->mdp_dev->pdev->dev, comp->clks); + comp->clks = NULL; + } + if (comp->regs) iounmap(comp->regs); } @@ -904,7 +923,8 @@ void mdp_comp_destroy(struct mdp_dev *mdp) for (i = 0; i < ARRAY_SIZE(mdp->comp); i++) { if (mdp->comp[i]) { - pm_runtime_disable(mdp->comp[i]->comp_dev); + if (is_dma_capable(mdp->comp[i]->type)) + pm_runtime_disable(mdp->comp[i]->comp_dev); mdp_comp_deinit(mdp->comp[i]); devm_kfree(mdp->comp[i]->comp_dev, mdp->comp[i]); mdp->comp[i] = NULL; @@ -916,7 +936,6 @@ int mdp_comp_config(struct mdp_dev *mdp) { struct device *dev = &mdp->pdev->dev; struct device_node *node, *parent; - struct platform_device *pdev; int ret; memset(mdp_comp_alias_id, 0, sizeof(mdp_comp_alias_id)); @@ -957,19 +976,8 @@ int mdp_comp_config(struct mdp_dev *mdp) } /* Only DMA capable components need the pm control */ - comp->comp_dev = NULL; if (!is_dma_capable(comp->type)) continue; - - pdev = of_find_device_by_node(node); - if (!pdev) { - dev_warn(dev, "can't find platform device of node:%s\n", - node->name); - ret = -ENODEV; - goto err_init_comps; - } - - comp->comp_dev = &pdev->dev; pm_runtime_enable(comp->comp_dev); } diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h index 3de994d7ef1c..20d2bcb77ef9 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h @@ -159,7 +159,8 @@ struct mdp_comp { void __iomem *regs; phys_addr_t reg_base; u8 subsys_id; - struct clk *clks[6]; + u8 clk_num; + struct clk **clks; struct device *comp_dev; enum mdp_comp_type type; enum mtk_mdp_comp_id public_id;