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 912CEC07E95 for ; Wed, 14 Jul 2021 02:58:04 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 5A5C161380 for ; Wed, 14 Jul 2021 02:58:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A5C161380 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 1D771406A3; Wed, 14 Jul 2021 02:58:04 +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 OlrE2xnYN0fM; Wed, 14 Jul 2021 02:58:03 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp4.osuosl.org (Postfix) with ESMTPS id C0188406A6; Wed, 14 Jul 2021 02:58:02 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9A800C0010; Wed, 14 Jul 2021 02:58:02 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id AA43EC000E for ; Wed, 14 Jul 2021 02:58:01 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 8BA8160A60 for ; Wed, 14 Jul 2021 02:58:01 +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 zB8wcgJmR7Fd for ; Wed, 14 Jul 2021 02:58:01 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by smtp3.osuosl.org (Postfix) with ESMTPS id 8673C60A57 for ; Wed, 14 Jul 2021 02:58:00 +0000 (UTC) X-UUID: d0af2a9ec3ee4581af5d77bd216e6f04-20210714 X-UUID: d0af2a9ec3ee4581af5d77bd216e6f04-20210714 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1098333517; Wed, 14 Jul 2021 10:57:56 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 14 Jul 2021 10:57:54 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 14 Jul 2021 10:57:53 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , David Airlie , Mauro Carvalho Chehab Subject: [PATCH v6 07/11] drm/mediatek: Get rid of mtk_smi_larb_get/put Date: Wed, 14 Jul 2021 10:56:22 +0800 Message-ID: <20210714025626.5528-8-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210714025626.5528-1-yong.wu@mediatek.com> References: <20210714025626.5528-1-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, CK Hu , linux-media@vger.kernel.org, devicetree@vger.kernel.org, Philipp Zabel , 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, 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 drm device call the pm_runtime_get_sync, the smi-larb's pm_runtime_get_sync also be called automatically. CC: CK Hu CC: Philipp Zabel Signed-off-by: Yong Wu Reviewed-by: Evan Green Acked-by: Chun-Kuang Hu --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 9 ------ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 36 ++------------------- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 - drivers/gpu/drm/mediatek/mtk_drm_drv.c | 5 +-- 4 files changed, 3 insertions(+), 48 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 08e3f352377d..d046abcf66ce 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -10,7 +10,6 @@ #include #include -#include #include #include @@ -551,12 +550,6 @@ static void mtk_drm_crtc_atomic_enable(struct drm_crtc *crtc, DRM_DEBUG_DRIVER("%s %d\n", __func__, crtc->base.id); - ret = mtk_smi_larb_get(comp->larb_dev); - if (ret) { - DRM_ERROR("Failed to get larb: %d\n", ret); - return; - } - ret = pm_runtime_resume_and_get(comp->dev); if (ret < 0) DRM_DEV_ERROR(comp->dev, "Failed to enable power domain: %d\n", @@ -564,7 +557,6 @@ static void mtk_drm_crtc_atomic_enable(struct drm_crtc *crtc, ret = mtk_crtc_ddp_hw_init(mtk_crtc); if (ret) { - mtk_smi_larb_put(comp->larb_dev); pm_runtime_put(comp->dev); return; } @@ -601,7 +593,6 @@ static void mtk_drm_crtc_atomic_disable(struct drm_crtc *crtc, drm_crtc_vblank_off(crtc); mtk_crtc_ddp_hw_fini(mtk_crtc); - mtk_smi_larb_put(comp->larb_dev); ret = pm_runtime_put(comp->dev); if (ret < 0) DRM_DEV_ERROR(comp->dev, "Failed to disable power domain: %d\n", diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 75bc00e17fc4..7d240218d4c7 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -449,37 +449,15 @@ unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm, return ret; } -static int mtk_ddp_get_larb_dev(struct device_node *node, struct mtk_ddp_comp *comp, - struct device *dev) -{ - struct device_node *larb_node; - struct platform_device *larb_pdev; - - larb_node = of_parse_phandle(node, "mediatek,larb", 0); - if (!larb_node) { - dev_err(dev, "Missing mediadek,larb phandle in %pOF node\n", node); - return -EINVAL; - } - - 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); - return -EPROBE_DEFER; - } - of_node_put(larb_node); - comp->larb_dev = &larb_pdev->dev; - - return 0; -} - int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id) { struct platform_device *comp_pdev; enum mtk_ddp_comp_type type; struct mtk_ddp_comp_dev *priv; +#if IS_REACHABLE(CONFIG_MTK_CMDQ) int ret; +#endif if (comp_id < 0 || comp_id >= DDP_COMPONENT_ID_MAX) return -EINVAL; @@ -495,16 +473,6 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp, } comp->dev = &comp_pdev->dev; - /* Only DMA capable components need the LARB property */ - if (type == MTK_DISP_OVL || - type == MTK_DISP_OVL_2L || - type == MTK_DISP_RDMA || - type == MTK_DISP_WDMA) { - ret = mtk_ddp_get_larb_dev(node, comp, comp->dev); - if (ret) - return ret; - } - if (type == MTK_DISP_BLS || type == MTK_DISP_CCORR || type == MTK_DISP_COLOR || diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index bb914d976cf5..1b582262b682 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -70,7 +70,6 @@ struct mtk_ddp_comp_funcs { struct mtk_ddp_comp { struct device *dev; int irq; - struct device *larb_dev; enum mtk_ddp_comp_id id; const struct mtk_ddp_comp_funcs *funcs; }; diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index b46bdb8985da..0d5ef3d8d081 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -577,11 +577,8 @@ static int mtk_drm_probe(struct platform_device *pdev) pm_runtime_disable(dev); err_node: of_node_put(private->mutex_node); - for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) { + for (i = 0; i < DDP_COMPONENT_ID_MAX; i++) of_node_put(private->comp_node[i]); - if (private->ddp_comp[i].larb_dev) - put_device(private->ddp_comp[i].larb_dev); - } return ret; } -- 2.18.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu