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=-5.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 27252C43387 for ; Tue, 1 Jan 2019 04:51:41 +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 E2CD821783 for ; Tue, 1 Jan 2019 04:51:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fh6E/7Su" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E2CD821783 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=j/1sAm6QCg8uauWWKGCwZrcf/kbc3lab/qgdmo2Cudc=; b=fh6E/7SuwcXx82 x2K9m0Lp0UkpE/dxBwIgEhMqlWplLv0HFu1QeEj4DwJBoixQXYEfbjaFPxfVSh472RqNKPLCdWoIN au9Y2S3rtW5xN4W4atoJ3tD3ZFEJYWyXeqpVCYtqQ+8slx/XQ6uzpNlNYV/b333Knth8plCF1WzGG eoSOEVmx0YYC4oJ8PBtpceCFQRztvVMOZNEGX5vjRfJnGBMU4hhr1UBWwrpdaT+ciFTxUgNw1m+0u 0npAJQ0nkJUZE792WH+rUZI5a6PxraPjSkWbcsPtEWM2Bj2TDy5f2GyLxK7l0C7jz4t6I4/sBMvxX 7pwU7r8SRdCwODeZOm1Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1geC1h-0001hm-Tu; Tue, 01 Jan 2019 04:51:37 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1geC1d-0001hJ-E8; Tue, 01 Jan 2019 04:51:36 +0000 X-UUID: 2b92e5bd38144bac8313d87bac1e32d0-20190101 X-UUID: 2b92e5bd38144bac8313d87bac1e32d0-20190101 Received: from mtkcas09.mediatek.inc [(172.21.101.178)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1186191890; Tue, 01 Jan 2019 12:51:29 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs03n2.mediatek.inc (172.21.101.182) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 1 Jan 2019 12:51:27 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Tue, 1 Jan 2019 12:51:26 +0800 From: Yong Wu To: Joerg Roedel , Greg Kroah-Hartman , Matthias Brugger , Rob Herring Subject: [PATCH 00/13] Clean up "mediatek,larb" after adding device_link Date: Tue, 1 Jan 2019 12:51:03 +0800 Message-ID: <1546318276-18993-1-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-TM-SNTS-SMTP: 40C8168AB5B51643D5C91BE1842E5E56A0565B3483FA56B61046AC7EDDCA7E762000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181231_205133_728211_29D6DC5B X-CRM114-Status: GOOD ( 14.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , arnd@arndb.de, srv_heupstream@mediatek.com, Will Deacon , linux-kernel@vger.kernel.org, Tomasz Figa , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, yingjoe.chen@mediatek.com, Robin Murphy , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org MediaTek IOMMU block diagram always like below: M4U | smi-common | ------------- | | ... | | larb1 larb2 | | vdec venc All the consumer connect with smi-larb, then connect with smi-common. MediaTek IOMMU don't have its power-domain. When the consumer works, it should enable the smi-larb's power which also need enable the smi-common's power firstly. Thus, Firstly, use the device link connect the consumer and the smi-larbs. then add device link between the smi-larb and smi-common. The ref_count of the device_link normally is over 1, when the consumer device driver is removed, we should remove all the device_link, Hence, I add the patch "driver core: xxx" at the beginning of this patchset. After adding the device_link, then "mediatek,larb" property can be removed. the iommu consumer don't need call the mtk_smi_larb_get/put to enable the power and clock of smi-larb and smi-common. This patchset depends on "MT8183 IOMMU SUPPORT"[1]. [1] https://lists.linuxfoundation.org/pipermail/iommu/2019-January/032387.html Yong Wu (13): dt-binding: mediatek: Get rid of mediatek,larb for multimedia HW driver core: Remove the link if there is no driver with AUTO flag iommu/mediatek: Add probe_defer for smi-larb iommu/mediatek: Add device_link between the consumer and the larb devices memory: mtk-smi: Add device-link between smi-larb and smi-common media: mtk-jpeg: Get rid of mtk_smi_larb_get/put media: mtk-mdp: Get rid of mtk_smi_larb_get/put media: mtk-vcodec: Get rid of mtk_smi_larb_get/put drm/mediatek: Get rid of mtk_smi_larb_get/put memory: mtk-smi: Get rid of mtk_smi_larb_get/put iommu/mediatek: Use builtin_platform_driver arm: dts: mediatek: Get rid of mediatek,larb for MM nodes arm64: dts: mediatek: Get rid of mediatek,larb for MM nodes .../bindings/display/mediatek/mediatek,disp.txt | 9 ----- .../bindings/media/mediatek-jpeg-decoder.txt | 4 --- .../devicetree/bindings/media/mediatek-mdp.txt | 8 ----- .../devicetree/bindings/media/mediatek-vcodec.txt | 4 --- arch/arm/boot/dts/mt2701.dtsi | 1 - arch/arm/boot/dts/mt7623.dtsi | 1 - arch/arm64/boot/dts/mediatek/mt8173.dtsi | 15 -------- drivers/base/core.c | 4 +-- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 11 ------ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 26 -------------- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 1 - drivers/iommu/mtk_iommu.c | 40 +++++++++------------- drivers/iommu/mtk_iommu_v1.c | 32 ++++++++--------- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 22 ------------ drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h | 2 -- drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 38 -------------------- drivers/media/platform/mtk-mdp/mtk_mdp_comp.h | 2 -- drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 1 - .../media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 19 ---------- drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h | 3 -- drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 1 - .../media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 38 -------------------- drivers/memory/mtk-smi.c | 30 ++++------------ include/soc/mediatek/smi.h | 20 ----------- 24 files changed, 40 insertions(+), 292 deletions(-) -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel