From patchwork Fri Jan 13 06:41:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moudy Ho X-Patchwork-Id: 13100161 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 353A7C54EBD for ; Fri, 13 Jan 2023 06:57:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240774AbjAMG5C (ORCPT ); Fri, 13 Jan 2023 01:57:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235363AbjAMGz4 (ORCPT ); Fri, 13 Jan 2023 01:55:56 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9072F714AA; Thu, 12 Jan 2023 22:41:13 -0800 (PST) X-UUID: 428e24a8930d11eda06fc9ecc4dadd91-20230113 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=pgMKWf8cswrcZe1AKhWsFWsHR/fVUbTFef1NB0mRUw8=; b=hiLi3lUacpMceljQ6Lulvx1tGtUKnzahqxgcb2kXriMlg7az0RDhatdlA9N7jiDJCytWk3nQ2oaYEksYGGflNoJG9osuMlXgdSYpEZmiUSKymLdJcAImUlvm9KN7oe+CNcKqWQOCUumakldOZ4OIQQef7lmSeyjS09lLfBvnpyg=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.17,REQID:6e5401c6-6f8b-42c5-9521-515fe798d94f,IP:0,U RL:0,TC:0,Content:0,EDM:-30,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-30 X-CID-META: VersionHash:543e81c,CLOUDID:171b8c54-dd49-462e-a4be-2143a3ddc739,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:2,IP:nil,UR L:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0 X-CID-BVR: 0 X-UUID: 428e24a8930d11eda06fc9ecc4dadd91-20230113 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 801805891; Fri, 13 Jan 2023 14:41:07 +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 15.2.792.3; Fri, 13 Jan 2023 14:41:07 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Fri, 13 Jan 2023 14:41:07 +0800 From: Moudy Ho To: Mauro Carvalho Chehab , Matthias Brugger , Hans Verkuil CC: Chun-Kuang Hu , , , , , Moudy Ho Subject: [PATCH v5 09/12] media: platform: mtk-mdp3: dynamically allocate component clocks Date: Fri, 13 Jan 2023 14:41:01 +0800 Message-ID: <20230113064104.22402-10-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230113064104.22402-1-moudy.ho@mediatek.com> References: <20230113064104.22402-1-moudy.ho@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.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 | 49 +++++++++++-------- .../platform/mediatek/mdp3/mtk-mdp3-comp.h | 3 +- 2 files changed, 31 insertions(+), 21 deletions(-) diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c index 8f4786cc4416..6288c11e979a 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c @@ -670,7 +670,8 @@ 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, @@ -680,7 +681,7 @@ 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]); @@ -700,7 +701,7 @@ 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; @@ -710,13 +711,13 @@ 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); } @@ -795,7 +796,7 @@ 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; @@ -805,6 +806,14 @@ 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; @@ -812,10 +821,15 @@ 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; @@ -852,6 +866,11 @@ 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); } @@ -933,7 +952,8 @@ 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; @@ -945,7 +965,6 @@ 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)); @@ -986,18 +1005,8 @@ 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); - return -ENODEV; - } - - 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 5188aa0821c4..8d2ab9184f58 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;