From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84950C432BE for ; Fri, 30 Jul 2021 02:54:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7059F60FD7 for ; Fri, 30 Jul 2021 02:54:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235295AbhG3Cyn (ORCPT ); Thu, 29 Jul 2021 22:54:43 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:50896 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S235022AbhG3Cyl (ORCPT ); Thu, 29 Jul 2021 22:54:41 -0400 X-UUID: bc12429d94b84cc7a9980c1a7e1fa7d4-20210730 X-UUID: bc12429d94b84cc7a9980c1a7e1fa7d4-20210730 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1634193771; Fri, 30 Jul 2021 10:54:35 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 30 Jul 2021 10:54:33 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 30 Jul 2021 10:54:29 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , David Airlie , Mauro Carvalho Chehab CC: Evan Green , Robin Murphy , Tomasz Figa , Will Deacon , , , , , , , , , Nicolas Boichat , Matthias Kaehlcke , , , , , , , Daniel Vetter , Chun-Kuang Hu , Philipp Zabel , Xia Jiang , Tiffany Lin , Dafna Hirschfeld , Hsin-Yi Wang , Eizan Miyamoto , , Frank Wunderlich , Minghsiu Tsai , Houlong Wei Subject: [PATCH v7 06/12] media: mtk-mdp: Get rid of mtk_smi_larb_get/put Date: Fri, 30 Jul 2021 10:52:32 +0800 Message-ID: <20210730025238.22456-7-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210730025238.22456-1-yong.wu@mediatek.com> References: <20210730025238.22456-1-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org MediaTek IOMMU has already added the device_link between the consumer and smi-larb device. If the mdp device call the pm_runtime_get_sync, the smi-larb's pm_runtime_get_sync also be called automatically. CC: Minghsiu Tsai CC: Houlong Wei Signed-off-by: Yong Wu Reviewed-by: Evan Green Reviewed-by: Houlong Wei Reviewed-by: Dafna Hirschfeld Tested-by: Dafna Hirschfeld # on mt8173 --- drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 46 +------------------ drivers/media/platform/mtk-mdp/mtk_mdp_comp.h | 2 - drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 1 - 3 files changed, 1 insertion(+), 48 deletions(-) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c index de2d425efdd1..5e0ea83a9f7f 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include "mtk_mdp_comp.h" @@ -57,13 +56,6 @@ int mtk_mdp_comp_power_on(struct mtk_mdp_comp *comp) { int status, err; - if (comp->larb_dev) { - err = mtk_smi_larb_get(comp->larb_dev); - if (err) - dev_err(comp->dev, - "failed to get larb, err %d.\n", err); - } - err = pm_runtime_get_sync(comp->dev); if (err < 0) { dev_err(comp->dev, "failed to runtime get, err %d.\n", err); @@ -146,9 +138,6 @@ void mtk_mdp_comp_clock_off(struct mtk_mdp_comp *comp) continue; clk_disable_unprepare(comp->clk[i]); } - - if (comp->larb_dev) - mtk_smi_larb_put(comp->larb_dev); } /* @@ -236,9 +225,6 @@ static const struct component_ops mtk_mdp_component_ops = { int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) { - struct device_node *larb_node; - struct platform_device *larb_pdev; - int ret; int i; struct device_node *node = dev->of_node; enum mtk_mdp_comp_type comp_type = @@ -252,8 +238,7 @@ int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) if (IS_ERR(comp->clk[i])) { if (PTR_ERR(comp->clk[i]) != -EPROBE_DEFER) dev_err(dev, "Failed to get clock\n"); - ret = PTR_ERR(comp->clk[i]); - goto err; + return PTR_ERR(comp->clk[i]); } /* Only RDMA needs two clocks */ @@ -261,36 +246,7 @@ int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) break; } - /* Only DMA capable components need the LARB property */ - comp->larb_dev = NULL; - if (comp_type != MTK_MDP_RDMA && - comp_type != MTK_MDP_WDMA && - comp_type != MTK_MDP_WROT) - return 0; - - larb_node = of_parse_phandle(node, "mediatek,larb", 0); - if (!larb_node) { - dev_err(dev, - "Missing mediadek,larb phandle in %pOF node\n", node); - ret = -EINVAL; - goto err; - } - - larb_pdev = of_find_device_by_node(larb_node); - if (!larb_pdev) { - dev_warn(dev, "Waiting for larb device %pOF\n", larb_node); - of_node_put(larb_node); - ret = -EPROBE_DEFER; - goto err; - } - of_node_put(larb_node); - - comp->larb_dev = &larb_pdev->dev; - return 0; - -err: - return ret; } static int mtk_mdp_comp_probe(struct platform_device *pdev) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h index 5201c47f7baa..2bd229cc7eae 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h @@ -11,13 +11,11 @@ * struct mtk_mdp_comp - the MDP's function component data * @node: list node to track sibing MDP components * @clk: clocks required for component - * @larb_dev: SMI device required for component * @dev: component's device */ struct mtk_mdp_comp { struct list_head node; struct clk *clk[2]; - struct device *larb_dev; struct device *dev; }; diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c index e1fb39231248..be7d35b3e3ff 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c @@ -18,7 +18,6 @@ #include #include #include -#include #include "mtk_mdp_comp.h" #include "mtk_mdp_core.h" -- 2.18.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D138C4338F for ; Fri, 30 Jul 2021 02:54:42 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1C36D61008 for ; Fri, 30 Jul 2021 02:54:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1C36D61008 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id E8E5B60861; Fri, 30 Jul 2021 02:54:41 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3wUn8qeoimNm; Fri, 30 Jul 2021 02:54:41 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp3.osuosl.org (Postfix) with ESMTPS id B597660626; Fri, 30 Jul 2021 02:54:40 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 90112C001A; Fri, 30 Jul 2021 02:54:40 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 7B300C000E for ; Fri, 30 Jul 2021 02:54:39 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 5CD60402D7 for ; Fri, 30 Jul 2021 02:54:39 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id doknCHMwRLcP for ; Fri, 30 Jul 2021 02:54:38 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by smtp4.osuosl.org (Postfix) with ESMTPS id 5AFA6402BD for ; Fri, 30 Jul 2021 02:54:38 +0000 (UTC) X-UUID: bc12429d94b84cc7a9980c1a7e1fa7d4-20210730 X-UUID: bc12429d94b84cc7a9980c1a7e1fa7d4-20210730 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1634193771; Fri, 30 Jul 2021 10:54:35 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 30 Jul 2021 10:54:33 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 30 Jul 2021 10:54:29 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , David Airlie , Mauro Carvalho Chehab Subject: [PATCH v7 06/12] media: mtk-mdp: Get rid of mtk_smi_larb_get/put Date: Fri, 30 Jul 2021 10:52:32 +0800 Message-ID: <20210730025238.22456-7-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210730025238.22456-1-yong.wu@mediatek.com> References: <20210730025238.22456-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Cc: Xia Jiang , Dafna Hirschfeld , Chun-Kuang Hu , Will Deacon , dri-devel@lists.freedesktop.org, anthony.huang@mediatek.com, youlin.pei@mediatek.com, Nicolas Boichat , Evan Green , Eizan Miyamoto , Matthias Kaehlcke , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, Philipp Zabel , Frank Wunderlich , Houlong Wei , yi.kuo@mediatek.com, linux-mediatek@lists.infradead.org, Hsin-Yi Wang , ming-fan.chen@mediatek.com, Tiffany Lin , anan.sun@mediatek.com, srv_heupstream@mediatek.com, acourbot@chromium.org, Minghsiu Tsai , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Daniel Vetter , Robin Murphy X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" MediaTek IOMMU has already added the device_link between the consumer and smi-larb device. If the mdp device call the pm_runtime_get_sync, the smi-larb's pm_runtime_get_sync also be called automatically. CC: Minghsiu Tsai CC: Houlong Wei Signed-off-by: Yong Wu Reviewed-by: Evan Green Reviewed-by: Houlong Wei Reviewed-by: Dafna Hirschfeld Tested-by: Dafna Hirschfeld # on mt8173 --- drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 46 +------------------ drivers/media/platform/mtk-mdp/mtk_mdp_comp.h | 2 - drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 1 - 3 files changed, 1 insertion(+), 48 deletions(-) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c index de2d425efdd1..5e0ea83a9f7f 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include "mtk_mdp_comp.h" @@ -57,13 +56,6 @@ int mtk_mdp_comp_power_on(struct mtk_mdp_comp *comp) { int status, err; - if (comp->larb_dev) { - err = mtk_smi_larb_get(comp->larb_dev); - if (err) - dev_err(comp->dev, - "failed to get larb, err %d.\n", err); - } - err = pm_runtime_get_sync(comp->dev); if (err < 0) { dev_err(comp->dev, "failed to runtime get, err %d.\n", err); @@ -146,9 +138,6 @@ void mtk_mdp_comp_clock_off(struct mtk_mdp_comp *comp) continue; clk_disable_unprepare(comp->clk[i]); } - - if (comp->larb_dev) - mtk_smi_larb_put(comp->larb_dev); } /* @@ -236,9 +225,6 @@ static const struct component_ops mtk_mdp_component_ops = { int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) { - struct device_node *larb_node; - struct platform_device *larb_pdev; - int ret; int i; struct device_node *node = dev->of_node; enum mtk_mdp_comp_type comp_type = @@ -252,8 +238,7 @@ int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) if (IS_ERR(comp->clk[i])) { if (PTR_ERR(comp->clk[i]) != -EPROBE_DEFER) dev_err(dev, "Failed to get clock\n"); - ret = PTR_ERR(comp->clk[i]); - goto err; + return PTR_ERR(comp->clk[i]); } /* Only RDMA needs two clocks */ @@ -261,36 +246,7 @@ int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) break; } - /* Only DMA capable components need the LARB property */ - comp->larb_dev = NULL; - if (comp_type != MTK_MDP_RDMA && - comp_type != MTK_MDP_WDMA && - comp_type != MTK_MDP_WROT) - return 0; - - larb_node = of_parse_phandle(node, "mediatek,larb", 0); - if (!larb_node) { - dev_err(dev, - "Missing mediadek,larb phandle in %pOF node\n", node); - ret = -EINVAL; - goto err; - } - - larb_pdev = of_find_device_by_node(larb_node); - if (!larb_pdev) { - dev_warn(dev, "Waiting for larb device %pOF\n", larb_node); - of_node_put(larb_node); - ret = -EPROBE_DEFER; - goto err; - } - of_node_put(larb_node); - - comp->larb_dev = &larb_pdev->dev; - return 0; - -err: - return ret; } static int mtk_mdp_comp_probe(struct platform_device *pdev) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h index 5201c47f7baa..2bd229cc7eae 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h @@ -11,13 +11,11 @@ * struct mtk_mdp_comp - the MDP's function component data * @node: list node to track sibing MDP components * @clk: clocks required for component - * @larb_dev: SMI device required for component * @dev: component's device */ struct mtk_mdp_comp { struct list_head node; struct clk *clk[2]; - struct device *larb_dev; struct device *dev; }; diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c index e1fb39231248..be7d35b3e3ff 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c @@ -18,7 +18,6 @@ #include #include #include -#include #include "mtk_mdp_comp.h" #include "mtk_mdp_core.h" -- 2.18.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD3D5C4338F for ; Fri, 30 Jul 2021 02:56:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9016460E76 for ; Fri, 30 Jul 2021 02:56:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 9016460E76 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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=Msmr00jM5tcNb+eHNK4Z4D8duBW6aJXnLqa1ybynwkg=; b=MYWg6tpervLHAH I9KE+nv7LpZWvlEla7DJ1/th0JxeXDCtq/Lkbsr+Y9B3ZNkjl2gxA4dlQPVoJ2MpN9aOLpHxrkoJ8 nUyxx/+Bz7u2HGEWREqagAKsUhQlb7I9pKNSRWuR3z/nvxx5heSih0Jf8vAN8FEZ9YCmDN6NEngr7 MwkFkRuGVudM/vAbKw9XrdtviS6UoYc1sIqKi8XuwVoVYuFYGNCmRtLS38hC44bVEXEFe4Hr+BxHM gTtcZH6Hqe/Yq1CZ0X0nLzOFImmPnLDUuqYeuM4TidmVeJnBvuUvPhHv91XjnIG4OR5FfnOfRwBZ+ kIZr9+fBzjy5eKBZF+Xg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m9IhL-006kEi-9H; Fri, 30 Jul 2021 02:56:31 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m9IfW-006jAy-SS; Fri, 30 Jul 2021 02:54:40 +0000 X-UUID: a3b77ef3004f4fb98fa6413cd49f6176-20210729 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=/vYZF4inC8y3pg4enyRHlCESD9VHNi6899K5ebUQzb0=; b=oxLqgcMoqScP7B51666GdOXogBLUkW2MN3g7GTSmXsbd9cY1nBDOERgrD5zplhg9V5SFaK1hJIeWOyyIVN+F3Cm6YBNp+uIKsiawjLou1JAuLxaxoIEiNF7ot/y3JH4LnIMM98koKxEpGvymRQah0PH1XntampOIgIxfLkGTNqA=; X-UUID: a3b77ef3004f4fb98fa6413cd49f6176-20210729 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 120578110; Thu, 29 Jul 2021 19:54:37 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 29 Jul 2021 19:54:35 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 30 Jul 2021 10:54:33 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 30 Jul 2021 10:54:29 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , David Airlie , "Mauro Carvalho Chehab" CC: Evan Green , Robin Murphy , Tomasz Figa , Will Deacon , , , , , , , , , Nicolas Boichat , Matthias Kaehlcke , , , , , , , Daniel Vetter , Chun-Kuang Hu , Philipp Zabel , Xia Jiang , Tiffany Lin , Dafna Hirschfeld , Hsin-Yi Wang , "Eizan Miyamoto" , , Frank Wunderlich , Minghsiu Tsai , Houlong Wei Subject: [PATCH v7 06/12] media: mtk-mdp: Get rid of mtk_smi_larb_get/put Date: Fri, 30 Jul 2021 10:52:32 +0800 Message-ID: <20210730025238.22456-7-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210730025238.22456-1-yong.wu@mediatek.com> References: <20210730025238.22456-1-yong.wu@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-20210729_195439_012922_53F909B1 X-CRM114-Status: GOOD ( 20.61 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org MediaTek IOMMU has already added the device_link between the consumer and smi-larb device. If the mdp device call the pm_runtime_get_sync, the smi-larb's pm_runtime_get_sync also be called automatically. CC: Minghsiu Tsai CC: Houlong Wei Signed-off-by: Yong Wu Reviewed-by: Evan Green Reviewed-by: Houlong Wei Reviewed-by: Dafna Hirschfeld Tested-by: Dafna Hirschfeld # on mt8173 --- drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 46 +------------------ drivers/media/platform/mtk-mdp/mtk_mdp_comp.h | 2 - drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 1 - 3 files changed, 1 insertion(+), 48 deletions(-) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c index de2d425efdd1..5e0ea83a9f7f 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include "mtk_mdp_comp.h" @@ -57,13 +56,6 @@ int mtk_mdp_comp_power_on(struct mtk_mdp_comp *comp) { int status, err; - if (comp->larb_dev) { - err = mtk_smi_larb_get(comp->larb_dev); - if (err) - dev_err(comp->dev, - "failed to get larb, err %d.\n", err); - } - err = pm_runtime_get_sync(comp->dev); if (err < 0) { dev_err(comp->dev, "failed to runtime get, err %d.\n", err); @@ -146,9 +138,6 @@ void mtk_mdp_comp_clock_off(struct mtk_mdp_comp *comp) continue; clk_disable_unprepare(comp->clk[i]); } - - if (comp->larb_dev) - mtk_smi_larb_put(comp->larb_dev); } /* @@ -236,9 +225,6 @@ static const struct component_ops mtk_mdp_component_ops = { int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) { - struct device_node *larb_node; - struct platform_device *larb_pdev; - int ret; int i; struct device_node *node = dev->of_node; enum mtk_mdp_comp_type comp_type = @@ -252,8 +238,7 @@ int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) if (IS_ERR(comp->clk[i])) { if (PTR_ERR(comp->clk[i]) != -EPROBE_DEFER) dev_err(dev, "Failed to get clock\n"); - ret = PTR_ERR(comp->clk[i]); - goto err; + return PTR_ERR(comp->clk[i]); } /* Only RDMA needs two clocks */ @@ -261,36 +246,7 @@ int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) break; } - /* Only DMA capable components need the LARB property */ - comp->larb_dev = NULL; - if (comp_type != MTK_MDP_RDMA && - comp_type != MTK_MDP_WDMA && - comp_type != MTK_MDP_WROT) - return 0; - - larb_node = of_parse_phandle(node, "mediatek,larb", 0); - if (!larb_node) { - dev_err(dev, - "Missing mediadek,larb phandle in %pOF node\n", node); - ret = -EINVAL; - goto err; - } - - larb_pdev = of_find_device_by_node(larb_node); - if (!larb_pdev) { - dev_warn(dev, "Waiting for larb device %pOF\n", larb_node); - of_node_put(larb_node); - ret = -EPROBE_DEFER; - goto err; - } - of_node_put(larb_node); - - comp->larb_dev = &larb_pdev->dev; - return 0; - -err: - return ret; } static int mtk_mdp_comp_probe(struct platform_device *pdev) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h index 5201c47f7baa..2bd229cc7eae 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h @@ -11,13 +11,11 @@ * struct mtk_mdp_comp - the MDP's function component data * @node: list node to track sibing MDP components * @clk: clocks required for component - * @larb_dev: SMI device required for component * @dev: component's device */ struct mtk_mdp_comp { struct list_head node; struct clk *clk[2]; - struct device *larb_dev; struct device *dev; }; diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c index e1fb39231248..be7d35b3e3ff 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c @@ -18,7 +18,6 @@ #include #include #include -#include #include "mtk_mdp_comp.h" #include "mtk_mdp_core.h" -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4007C4338F for ; Fri, 30 Jul 2021 02:57:39 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B5FB960EE6 for ; Fri, 30 Jul 2021 02:57:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B5FB960EE6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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=0DwTdr0ClGG7mZZwhQqyTfIa3Z2fnPcvOgGIDDkvBag=; b=LBCFbMC+5/FCbD ml4YiOUpOKvR/hNT5UO1tc6pgEupXD+Hn4Yc/fF0RgJtTodb2RU83p2HRMcGPqcprHTchvFn5fiek xOOZ/HDSBE+Oti1EZ6X5N4EZw2rq0CyJGNcyyISXVnH3xRGmbvrbbRTTkI3YEETk+sy9PF2UGroS8 wk/GFMVFZx3A093foymMMe4Wh1BzGUr0trr+OpHm+5qZRbQ8zRuujG7fWB3DPeC3xwdvAz9H6pAbK VbwR2LAiek+87GBLFQ8zV7+VGYGi4dp5h6ZavsFrSuo6U7RDFP09IdGNffz5WXYDtNlMX8Ear8uEa vHa18+xdIrNJcgsVh5eA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m9Igl-006jsl-4w; Fri, 30 Jul 2021 02:55:55 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m9IfW-006jAy-SS; Fri, 30 Jul 2021 02:54:40 +0000 X-UUID: a3b77ef3004f4fb98fa6413cd49f6176-20210729 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=/vYZF4inC8y3pg4enyRHlCESD9VHNi6899K5ebUQzb0=; b=oxLqgcMoqScP7B51666GdOXogBLUkW2MN3g7GTSmXsbd9cY1nBDOERgrD5zplhg9V5SFaK1hJIeWOyyIVN+F3Cm6YBNp+uIKsiawjLou1JAuLxaxoIEiNF7ot/y3JH4LnIMM98koKxEpGvymRQah0PH1XntampOIgIxfLkGTNqA=; X-UUID: a3b77ef3004f4fb98fa6413cd49f6176-20210729 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 120578110; Thu, 29 Jul 2021 19:54:37 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 29 Jul 2021 19:54:35 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 30 Jul 2021 10:54:33 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 30 Jul 2021 10:54:29 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , David Airlie , "Mauro Carvalho Chehab" CC: Evan Green , Robin Murphy , Tomasz Figa , Will Deacon , , , , , , , , , Nicolas Boichat , Matthias Kaehlcke , , , , , , , Daniel Vetter , Chun-Kuang Hu , Philipp Zabel , Xia Jiang , Tiffany Lin , Dafna Hirschfeld , Hsin-Yi Wang , "Eizan Miyamoto" , , Frank Wunderlich , Minghsiu Tsai , Houlong Wei Subject: [PATCH v7 06/12] media: mtk-mdp: Get rid of mtk_smi_larb_get/put Date: Fri, 30 Jul 2021 10:52:32 +0800 Message-ID: <20210730025238.22456-7-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210730025238.22456-1-yong.wu@mediatek.com> References: <20210730025238.22456-1-yong.wu@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-20210729_195439_012922_53F909B1 X-CRM114-Status: GOOD ( 20.61 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org MediaTek IOMMU has already added the device_link between the consumer and smi-larb device. If the mdp device call the pm_runtime_get_sync, the smi-larb's pm_runtime_get_sync also be called automatically. CC: Minghsiu Tsai CC: Houlong Wei Signed-off-by: Yong Wu Reviewed-by: Evan Green Reviewed-by: Houlong Wei Reviewed-by: Dafna Hirschfeld Tested-by: Dafna Hirschfeld # on mt8173 --- drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 46 +------------------ drivers/media/platform/mtk-mdp/mtk_mdp_comp.h | 2 - drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 1 - 3 files changed, 1 insertion(+), 48 deletions(-) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c index de2d425efdd1..5e0ea83a9f7f 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include "mtk_mdp_comp.h" @@ -57,13 +56,6 @@ int mtk_mdp_comp_power_on(struct mtk_mdp_comp *comp) { int status, err; - if (comp->larb_dev) { - err = mtk_smi_larb_get(comp->larb_dev); - if (err) - dev_err(comp->dev, - "failed to get larb, err %d.\n", err); - } - err = pm_runtime_get_sync(comp->dev); if (err < 0) { dev_err(comp->dev, "failed to runtime get, err %d.\n", err); @@ -146,9 +138,6 @@ void mtk_mdp_comp_clock_off(struct mtk_mdp_comp *comp) continue; clk_disable_unprepare(comp->clk[i]); } - - if (comp->larb_dev) - mtk_smi_larb_put(comp->larb_dev); } /* @@ -236,9 +225,6 @@ static const struct component_ops mtk_mdp_component_ops = { int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) { - struct device_node *larb_node; - struct platform_device *larb_pdev; - int ret; int i; struct device_node *node = dev->of_node; enum mtk_mdp_comp_type comp_type = @@ -252,8 +238,7 @@ int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) if (IS_ERR(comp->clk[i])) { if (PTR_ERR(comp->clk[i]) != -EPROBE_DEFER) dev_err(dev, "Failed to get clock\n"); - ret = PTR_ERR(comp->clk[i]); - goto err; + return PTR_ERR(comp->clk[i]); } /* Only RDMA needs two clocks */ @@ -261,36 +246,7 @@ int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) break; } - /* Only DMA capable components need the LARB property */ - comp->larb_dev = NULL; - if (comp_type != MTK_MDP_RDMA && - comp_type != MTK_MDP_WDMA && - comp_type != MTK_MDP_WROT) - return 0; - - larb_node = of_parse_phandle(node, "mediatek,larb", 0); - if (!larb_node) { - dev_err(dev, - "Missing mediadek,larb phandle in %pOF node\n", node); - ret = -EINVAL; - goto err; - } - - larb_pdev = of_find_device_by_node(larb_node); - if (!larb_pdev) { - dev_warn(dev, "Waiting for larb device %pOF\n", larb_node); - of_node_put(larb_node); - ret = -EPROBE_DEFER; - goto err; - } - of_node_put(larb_node); - - comp->larb_dev = &larb_pdev->dev; - return 0; - -err: - return ret; } static int mtk_mdp_comp_probe(struct platform_device *pdev) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h index 5201c47f7baa..2bd229cc7eae 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h @@ -11,13 +11,11 @@ * struct mtk_mdp_comp - the MDP's function component data * @node: list node to track sibing MDP components * @clk: clocks required for component - * @larb_dev: SMI device required for component * @dev: component's device */ struct mtk_mdp_comp { struct list_head node; struct clk *clk[2]; - struct device *larb_dev; struct device *dev; }; diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c index e1fb39231248..be7d35b3e3ff 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c @@ -18,7 +18,6 @@ #include #include #include -#include #include "mtk_mdp_comp.h" #include "mtk_mdp_core.h" -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0AE97C4338F for ; Fri, 30 Jul 2021 06:27:44 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id BDB6E60F94 for ; Fri, 30 Jul 2021 06:27:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BDB6E60F94 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BE8B76EA46; Fri, 30 Jul 2021 06:27:41 +0000 (UTC) Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by gabe.freedesktop.org (Postfix) with ESMTPS id 37E296E1A4 for ; Fri, 30 Jul 2021 02:54:38 +0000 (UTC) X-UUID: bc12429d94b84cc7a9980c1a7e1fa7d4-20210730 X-UUID: bc12429d94b84cc7a9980c1a7e1fa7d4-20210730 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1634193771; Fri, 30 Jul 2021 10:54:35 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 30 Jul 2021 10:54:33 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 30 Jul 2021 10:54:29 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , David Airlie , Mauro Carvalho Chehab Subject: [PATCH v7 06/12] media: mtk-mdp: Get rid of mtk_smi_larb_get/put Date: Fri, 30 Jul 2021 10:52:32 +0800 Message-ID: <20210730025238.22456-7-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210730025238.22456-1-yong.wu@mediatek.com> References: <20210730025238.22456-1-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N X-Mailman-Approved-At: Fri, 30 Jul 2021 06:27:41 +0000 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: Xia Jiang , Dafna Hirschfeld , Chun-Kuang Hu , Will Deacon , dri-devel@lists.freedesktop.org, anthony.huang@mediatek.com, youlin.pei@mediatek.com, Nicolas Boichat , Evan Green , Eizan Miyamoto , Matthias Kaehlcke , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, Frank Wunderlich , Houlong Wei , yi.kuo@mediatek.com, linux-mediatek@lists.infradead.org, Hsin-Yi Wang , ming-fan.chen@mediatek.com, Tiffany Lin , yong.wu@mediatek.com, anan.sun@mediatek.com, srv_heupstream@mediatek.com, acourbot@chromium.org, Minghsiu Tsai , linux-kernel@vger.kernel.org, Tomasz Figa , iommu@lists.linux-foundation.org, Robin Murphy Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" MediaTek IOMMU has already added the device_link between the consumer and smi-larb device. If the mdp device call the pm_runtime_get_sync, the smi-larb's pm_runtime_get_sync also be called automatically. CC: Minghsiu Tsai CC: Houlong Wei Signed-off-by: Yong Wu Reviewed-by: Evan Green Reviewed-by: Houlong Wei Reviewed-by: Dafna Hirschfeld Tested-by: Dafna Hirschfeld # on mt8173 --- drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 46 +------------------ drivers/media/platform/mtk-mdp/mtk_mdp_comp.h | 2 - drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 1 - 3 files changed, 1 insertion(+), 48 deletions(-) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c index de2d425efdd1..5e0ea83a9f7f 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include "mtk_mdp_comp.h" @@ -57,13 +56,6 @@ int mtk_mdp_comp_power_on(struct mtk_mdp_comp *comp) { int status, err; - if (comp->larb_dev) { - err = mtk_smi_larb_get(comp->larb_dev); - if (err) - dev_err(comp->dev, - "failed to get larb, err %d.\n", err); - } - err = pm_runtime_get_sync(comp->dev); if (err < 0) { dev_err(comp->dev, "failed to runtime get, err %d.\n", err); @@ -146,9 +138,6 @@ void mtk_mdp_comp_clock_off(struct mtk_mdp_comp *comp) continue; clk_disable_unprepare(comp->clk[i]); } - - if (comp->larb_dev) - mtk_smi_larb_put(comp->larb_dev); } /* @@ -236,9 +225,6 @@ static const struct component_ops mtk_mdp_component_ops = { int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) { - struct device_node *larb_node; - struct platform_device *larb_pdev; - int ret; int i; struct device_node *node = dev->of_node; enum mtk_mdp_comp_type comp_type = @@ -252,8 +238,7 @@ int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) if (IS_ERR(comp->clk[i])) { if (PTR_ERR(comp->clk[i]) != -EPROBE_DEFER) dev_err(dev, "Failed to get clock\n"); - ret = PTR_ERR(comp->clk[i]); - goto err; + return PTR_ERR(comp->clk[i]); } /* Only RDMA needs two clocks */ @@ -261,36 +246,7 @@ int mtk_mdp_comp_init(struct mtk_mdp_comp *comp, struct device *dev) break; } - /* Only DMA capable components need the LARB property */ - comp->larb_dev = NULL; - if (comp_type != MTK_MDP_RDMA && - comp_type != MTK_MDP_WDMA && - comp_type != MTK_MDP_WROT) - return 0; - - larb_node = of_parse_phandle(node, "mediatek,larb", 0); - if (!larb_node) { - dev_err(dev, - "Missing mediadek,larb phandle in %pOF node\n", node); - ret = -EINVAL; - goto err; - } - - larb_pdev = of_find_device_by_node(larb_node); - if (!larb_pdev) { - dev_warn(dev, "Waiting for larb device %pOF\n", larb_node); - of_node_put(larb_node); - ret = -EPROBE_DEFER; - goto err; - } - of_node_put(larb_node); - - comp->larb_dev = &larb_pdev->dev; - return 0; - -err: - return ret; } static int mtk_mdp_comp_probe(struct platform_device *pdev) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h index 5201c47f7baa..2bd229cc7eae 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h @@ -11,13 +11,11 @@ * struct mtk_mdp_comp - the MDP's function component data * @node: list node to track sibing MDP components * @clk: clocks required for component - * @larb_dev: SMI device required for component * @dev: component's device */ struct mtk_mdp_comp { struct list_head node; struct clk *clk[2]; - struct device *larb_dev; struct device *dev; }; diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c index e1fb39231248..be7d35b3e3ff 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c @@ -18,7 +18,6 @@ #include #include #include -#include #include "mtk_mdp_comp.h" #include "mtk_mdp_core.h" -- 2.18.0