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 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 3B7A0C433EF for ; Wed, 27 Apr 2022 01:34:44 +0000 (UTC) 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: Date:CC:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vHgRrKezH6gSxCJeZDE5GNTpQxFdIs1sXn1XHEiGjw8=; b=rUBCtCsCX3EYZH 5z4yKB2rcc58kVuZ5XWNHyyK/PXm1whWHjyWiY1k3dzeij4NKeXADP7GxaIEFAJvc1ZtZZxAzs1G/ uRb/5gYFiOaldEICSKu8qMqg23GOXlDC+t/aN9SzOLuthyoHtE2TKMmJidSficUOxsFR8uHD7nipx rCmBzMb7/8ZPFJf2BFORbn85xrFuDl+ZEUeecdpbBBrwLlyRGcnVcLCmdwkKsUWmL663ZJGljUwpi qQkAiNpaCqv05Q1dlrdKbG+hJWH2wlMA8SA+To5/yplsxanEwT5uIITW4j1rGx9AYV3lrEvjMdTjm qDClQH0OQ45UL38eykeA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1njWZb-00GtfD-R8; Wed, 27 Apr 2022 01:34:31 +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 1njWZP-00Gte8-8X; Wed, 27 Apr 2022 01:34:22 +0000 X-UUID: 68078042ad5c403ab68aa65e2753fe79-20220426 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4, REQID:441f64a6-1fbd-4b3a-a9f2-c0414c99f9eb, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:faefae9, CLOUDID:f57bcf2e-6199-437e-8ab4-9920b4bc5b76, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: 68078042ad5c403ab68aa65e2753fe79-20220426 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 1643746812; Tue, 26 Apr 2022 18:34:12 -0700 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 26 Apr 2022 18:34:10 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 27 Apr 2022 09:34:02 +0800 Received: from mtksdccf07 (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 27 Apr 2022 09:34:02 +0800 Message-ID: <30b00fffe6f3398edc6d94679cbfba55ddafc57f.camel@mediatek.com> Subject: Re: [PATCH 3/5] dt-bindings: mediatek: add vdosys1 RDMA definition for mt8195 From: Nancy.Lin To: Rob Herring , Rex-BC Chen CC: , , , , , , , , , , , , Date: Wed, 27 Apr 2022 09:33:57 +0800 In-Reply-To: References: <20220419033237.23405-1-rex-bc.chen@mediatek.com> <20220419033237.23405-4-rex-bc.chen@mediatek.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220426_183419_333549_AA9F06E5 X-CRM114-Status: GOOD ( 29.53 ) 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 Hi Rob, Thanks for the review. On Tue, 2022-04-26 at 15:25 -0500, Rob Herring wrote: > On Tue, Apr 19, 2022 at 11:32:35AM +0800, Rex-BC Chen wrote: > > From: "Nancy.Lin" > > > > Add vdosys1 RDMA definition. > > How does this compare to the mediatek,mt8183-mdp3-rdma or > mediatek,mt8195-disp-rdma? > 1. The mediatek,mt8195-vdo1-rdma is a completely different HW engine with mediatek,mt8195-disp-rdma. 2. The mediatek,mt8195-vdo1-rdma is similar to mt8183-mdp3-rdma but with different compression support and tile size. Regards, Nancy > > > > Signed-off-by: Nancy.Lin > > Reviewed-by: AngeloGioacchino Del Regno < > > angelogioacchino.delregno@collabora.com> > > --- > > .../display/mediatek/mediatek,mdp-rdma.yaml | 86 > > +++++++++++++++++++ > > 1 file changed, 86 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > > > diff --git > > a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > new file mode 100644 > > index 000000000000..6ab773569462 > > --- /dev/null > > +++ > > b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > @@ -0,0 +1,86 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: > > https://urldefense.com/v3/__http://devicetree.org/schemas/arm/mediatek/mediatek,mdp-rdma.yaml*__;Iw!!CTRNKA9wMg0ARbw!2wDOMpaEiBxKqnxB_Ocy9EiZEBgMnMmhgp0QxtKsUv2WjEbcBxe1P0gILWVkqZ2k$ > > > > +$schema: > > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!2wDOMpaEiBxKqnxB_Ocy9EiZEBgMnMmhgp0QxtKsUv2WjEbcBxe1P0gILfySwMCt$ > > > > + > > +title: MediaTek MDP RDMA > > + > > +maintainers: > > + - Matthias Brugger > > + > > +description: | > > + The mediatek MDP RDMA stands for Read Direct Memory Access. > > + It provides real time data to the back-end panel driver, such as > > DSI, > > + DPI and DP_INTF. > > + It contains one line buffer to store the sufficient pixel data. > > + RDMA device node must be siblings to the central MMSYS_CONFIG > > node. > > + For a description of the MMSYS_CONFIG binding, see > > + Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.ya > > ml for details. > > + > > +properties: > > + compatible: > > + oneOf: > > + - items: > > + - const: mediatek,mt8195-vdo1-rdma > > + > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > + maxItems: 1 > > + > > + power-domains: > > + description: A phandle and PM domain specifier as defined by > > bindings of > > + the power controller specified by phandle. See > > + Documentation/devicetree/bindings/power/power-domain.yaml > > for details. > > + > > + clocks: > > + items: > > + - description: RDMA Clock > > + > > + iommus: > > + description: > > + This property should point to the respective IOMMU block > > with master port as argument, > > + see > > Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for > > details. > > + > > + mediatek,gce-client-reg: > > + description: > > + The register of display function block to be set by gce. > > There are 4 arguments, > > + such as gce node, subsys id, offset and register size. The > > subsys id that is > > + mapping to the register of display function blocks is > > defined in the gce header > > + include/include/dt-bindings/gce/-gce.h of each chips. > > + $ref: /schemas/types.yaml#/definitions/phandle-array > > + maxItems: 1 > > + > > +required: > > + - compatible > > + - reg > > + - power-domains > > + - clocks > > + - iommus > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include > > + #include > > + #include > > + #include > > + #include > > + > > + soc { > > + #address-cells = <2>; > > + #size-cells = <2>; > > + > > + vdo1_rdma0: mdp-rdma@1c104000 { > > + compatible = "mediatek,mt8195-vdo1-rdma"; > > + reg = <0 0x1c104000 0 0x1000>; > > + interrupts = ; > > + clocks = <&vdosys1 CLK_VDO1_MDP_RDMA0>; > > + power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>; > > + iommus = <&iommu_vdo M4U_PORT_L2_MDP_RDMA0>; > > + mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX > > 0x4000 0x1000>; > > + }; > > + }; > > -- > > 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id EA878C433F5 for ; Wed, 27 Apr 2022 01:34:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3BE9C10E11C; Wed, 27 Apr 2022 01:34:11 +0000 (UTC) Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8A63410E11C for ; Wed, 27 Apr 2022 01:34:09 +0000 (UTC) X-UUID: 9ba25230041641849d1c196fdc9f83e4-20220427 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4, REQID:4b5c70cd-697c-48d7-b3c8-634b94bca4ec, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:54,FILE:0,RULE:Release_Ham,ACT ION:release,TS:54 X-CID-INFO: VERSION:1.1.4, REQID:4b5c70cd-697c-48d7-b3c8-634b94bca4ec, OB:0, LOB: 0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:54,FILE:0,RULE:Release_UHam,ACTI ON:release,TS:54 X-CID-META: VersionHash:faefae9, CLOUDID:086997c6-85ee-4ac1-ac05-bd3f1e72e732, C OID:ec07c64a11a0,Recheck:0,SF:28|16|19|48,TC:nil,Content:0,EDM:-3,File:nil ,QS:0,BEC:nil X-UUID: 9ba25230041641849d1c196fdc9f83e4-20220427 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1197629606; Wed, 27 Apr 2022 09:34:04 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Wed, 27 Apr 2022 09:34:03 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 27 Apr 2022 09:34:02 +0800 Received: from mtksdccf07 (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 27 Apr 2022 09:34:02 +0800 Message-ID: <30b00fffe6f3398edc6d94679cbfba55ddafc57f.camel@mediatek.com> Subject: Re: [PATCH 3/5] dt-bindings: mediatek: add vdosys1 RDMA definition for mt8195 From: Nancy.Lin To: Rob Herring , Rex-BC Chen Date: Wed, 27 Apr 2022 09:33:57 +0800 In-Reply-To: References: <20220419033237.23405-1-rex-bc.chen@mediatek.com> <20220419033237.23405-4-rex-bc.chen@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-MTK: N 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: chunkuang.hu@kernel.org, krzysztof.kozlowski+dt@linaro.org, devicetree@vger.kernel.org, airlied@linux.ie, jason-jh.lin@mediatek.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Project_Global_Chrome_Upstream_Group@mediatek.com, linux-mediatek@lists.infradead.org, matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org, angelogioacchino.delregno@collabora.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Rob, Thanks for the review. On Tue, 2022-04-26 at 15:25 -0500, Rob Herring wrote: > On Tue, Apr 19, 2022 at 11:32:35AM +0800, Rex-BC Chen wrote: > > From: "Nancy.Lin" > > > > Add vdosys1 RDMA definition. > > How does this compare to the mediatek,mt8183-mdp3-rdma or > mediatek,mt8195-disp-rdma? > 1. The mediatek,mt8195-vdo1-rdma is a completely different HW engine with mediatek,mt8195-disp-rdma. 2. The mediatek,mt8195-vdo1-rdma is similar to mt8183-mdp3-rdma but with different compression support and tile size. Regards, Nancy > > > > Signed-off-by: Nancy.Lin > > Reviewed-by: AngeloGioacchino Del Regno < > > angelogioacchino.delregno@collabora.com> > > --- > > .../display/mediatek/mediatek,mdp-rdma.yaml | 86 > > +++++++++++++++++++ > > 1 file changed, 86 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > > > diff --git > > a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > new file mode 100644 > > index 000000000000..6ab773569462 > > --- /dev/null > > +++ > > b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > @@ -0,0 +1,86 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: > > https://urldefense.com/v3/__http://devicetree.org/schemas/arm/mediatek/mediatek,mdp-rdma.yaml*__;Iw!!CTRNKA9wMg0ARbw!2wDOMpaEiBxKqnxB_Ocy9EiZEBgMnMmhgp0QxtKsUv2WjEbcBxe1P0gILWVkqZ2k$ > > > > +$schema: > > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!2wDOMpaEiBxKqnxB_Ocy9EiZEBgMnMmhgp0QxtKsUv2WjEbcBxe1P0gILfySwMCt$ > > > > + > > +title: MediaTek MDP RDMA > > + > > +maintainers: > > + - Matthias Brugger > > + > > +description: | > > + The mediatek MDP RDMA stands for Read Direct Memory Access. > > + It provides real time data to the back-end panel driver, such as > > DSI, > > + DPI and DP_INTF. > > + It contains one line buffer to store the sufficient pixel data. > > + RDMA device node must be siblings to the central MMSYS_CONFIG > > node. > > + For a description of the MMSYS_CONFIG binding, see > > + Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.ya > > ml for details. > > + > > +properties: > > + compatible: > > + oneOf: > > + - items: > > + - const: mediatek,mt8195-vdo1-rdma > > + > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > + maxItems: 1 > > + > > + power-domains: > > + description: A phandle and PM domain specifier as defined by > > bindings of > > + the power controller specified by phandle. See > > + Documentation/devicetree/bindings/power/power-domain.yaml > > for details. > > + > > + clocks: > > + items: > > + - description: RDMA Clock > > + > > + iommus: > > + description: > > + This property should point to the respective IOMMU block > > with master port as argument, > > + see > > Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for > > details. > > + > > + mediatek,gce-client-reg: > > + description: > > + The register of display function block to be set by gce. > > There are 4 arguments, > > + such as gce node, subsys id, offset and register size. The > > subsys id that is > > + mapping to the register of display function blocks is > > defined in the gce header > > + include/include/dt-bindings/gce/-gce.h of each chips. > > + $ref: /schemas/types.yaml#/definitions/phandle-array > > + maxItems: 1 > > + > > +required: > > + - compatible > > + - reg > > + - power-domains > > + - clocks > > + - iommus > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include > > + #include > > + #include > > + #include > > + #include > > + > > + soc { > > + #address-cells = <2>; > > + #size-cells = <2>; > > + > > + vdo1_rdma0: mdp-rdma@1c104000 { > > + compatible = "mediatek,mt8195-vdo1-rdma"; > > + reg = <0 0x1c104000 0 0x1000>; > > + interrupts = ; > > + clocks = <&vdosys1 CLK_VDO1_MDP_RDMA0>; > > + power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>; > > + iommus = <&iommu_vdo M4U_PORT_L2_MDP_RDMA0>; > > + mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX > > 0x4000 0x1000>; > > + }; > > + }; > > -- > > 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 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 3D2ECC433EF for ; Wed, 27 Apr 2022 01:36:12 +0000 (UTC) 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: Date:CC:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=x9f7C7+G0R5YdUR8G+2u3FxPDAcerN/alkpHfLfcOOM=; b=UYTW9/1BR8bYh3 lIFy7rKhohs9LNKKH6VADAwgC8RK03gc8wD+bSAkLCsAc+/M0p1ZDveUX0h7O3kULv7/SsRSR720Y eJbtshtzEcQvX7ZZXp0b3awxigR7vRkhDrMnKK3aCBiTWyh0cFCg7ibTNTp+kdP296ajokd73YtUq P9VKbVA6to3qYvjeCn3XMlWdxavJwTAY33k2yGZbvLCMdMUumLiCxXNm7mGz96LQ9MxMcv5tOsqyy DIVKHQx02Fy4E5A4dY2dpDh9pkQryOCkbhsb6rgkyaIxSBO/9DRlJdD0aziA132St3AoVRKCL84aa a/0ttxSL9vGprFm0+sXQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1njWZU-00Gteo-1H; Wed, 27 Apr 2022 01:34:24 +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 1njWZP-00Gte8-8X; Wed, 27 Apr 2022 01:34:22 +0000 X-UUID: 68078042ad5c403ab68aa65e2753fe79-20220426 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4, REQID:441f64a6-1fbd-4b3a-a9f2-c0414c99f9eb, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:faefae9, CLOUDID:f57bcf2e-6199-437e-8ab4-9920b4bc5b76, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: 68078042ad5c403ab68aa65e2753fe79-20220426 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 1643746812; Tue, 26 Apr 2022 18:34:12 -0700 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 26 Apr 2022 18:34:10 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 27 Apr 2022 09:34:02 +0800 Received: from mtksdccf07 (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 27 Apr 2022 09:34:02 +0800 Message-ID: <30b00fffe6f3398edc6d94679cbfba55ddafc57f.camel@mediatek.com> Subject: Re: [PATCH 3/5] dt-bindings: mediatek: add vdosys1 RDMA definition for mt8195 From: Nancy.Lin To: Rob Herring , Rex-BC Chen CC: , , , , , , , , , , , , Date: Wed, 27 Apr 2022 09:33:57 +0800 In-Reply-To: References: <20220419033237.23405-1-rex-bc.chen@mediatek.com> <20220419033237.23405-4-rex-bc.chen@mediatek.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220426_183419_333549_AA9F06E5 X-CRM114-Status: GOOD ( 29.53 ) 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 Hi Rob, Thanks for the review. On Tue, 2022-04-26 at 15:25 -0500, Rob Herring wrote: > On Tue, Apr 19, 2022 at 11:32:35AM +0800, Rex-BC Chen wrote: > > From: "Nancy.Lin" > > > > Add vdosys1 RDMA definition. > > How does this compare to the mediatek,mt8183-mdp3-rdma or > mediatek,mt8195-disp-rdma? > 1. The mediatek,mt8195-vdo1-rdma is a completely different HW engine with mediatek,mt8195-disp-rdma. 2. The mediatek,mt8195-vdo1-rdma is similar to mt8183-mdp3-rdma but with different compression support and tile size. Regards, Nancy > > > > Signed-off-by: Nancy.Lin > > Reviewed-by: AngeloGioacchino Del Regno < > > angelogioacchino.delregno@collabora.com> > > --- > > .../display/mediatek/mediatek,mdp-rdma.yaml | 86 > > +++++++++++++++++++ > > 1 file changed, 86 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > > > diff --git > > a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > new file mode 100644 > > index 000000000000..6ab773569462 > > --- /dev/null > > +++ > > b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp- > > rdma.yaml > > @@ -0,0 +1,86 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: > > https://urldefense.com/v3/__http://devicetree.org/schemas/arm/mediatek/mediatek,mdp-rdma.yaml*__;Iw!!CTRNKA9wMg0ARbw!2wDOMpaEiBxKqnxB_Ocy9EiZEBgMnMmhgp0QxtKsUv2WjEbcBxe1P0gILWVkqZ2k$ > > > > +$schema: > > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!2wDOMpaEiBxKqnxB_Ocy9EiZEBgMnMmhgp0QxtKsUv2WjEbcBxe1P0gILfySwMCt$ > > > > + > > +title: MediaTek MDP RDMA > > + > > +maintainers: > > + - Matthias Brugger > > + > > +description: | > > + The mediatek MDP RDMA stands for Read Direct Memory Access. > > + It provides real time data to the back-end panel driver, such as > > DSI, > > + DPI and DP_INTF. > > + It contains one line buffer to store the sufficient pixel data. > > + RDMA device node must be siblings to the central MMSYS_CONFIG > > node. > > + For a description of the MMSYS_CONFIG binding, see > > + Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.ya > > ml for details. > > + > > +properties: > > + compatible: > > + oneOf: > > + - items: > > + - const: mediatek,mt8195-vdo1-rdma > > + > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > + maxItems: 1 > > + > > + power-domains: > > + description: A phandle and PM domain specifier as defined by > > bindings of > > + the power controller specified by phandle. See > > + Documentation/devicetree/bindings/power/power-domain.yaml > > for details. > > + > > + clocks: > > + items: > > + - description: RDMA Clock > > + > > + iommus: > > + description: > > + This property should point to the respective IOMMU block > > with master port as argument, > > + see > > Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for > > details. > > + > > + mediatek,gce-client-reg: > > + description: > > + The register of display function block to be set by gce. > > There are 4 arguments, > > + such as gce node, subsys id, offset and register size. The > > subsys id that is > > + mapping to the register of display function blocks is > > defined in the gce header > > + include/include/dt-bindings/gce/-gce.h of each chips. > > + $ref: /schemas/types.yaml#/definitions/phandle-array > > + maxItems: 1 > > + > > +required: > > + - compatible > > + - reg > > + - power-domains > > + - clocks > > + - iommus > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include > > + #include > > + #include > > + #include > > + #include > > + > > + soc { > > + #address-cells = <2>; > > + #size-cells = <2>; > > + > > + vdo1_rdma0: mdp-rdma@1c104000 { > > + compatible = "mediatek,mt8195-vdo1-rdma"; > > + reg = <0 0x1c104000 0 0x1000>; > > + interrupts = ; > > + clocks = <&vdosys1 CLK_VDO1_MDP_RDMA0>; > > + power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>; > > + iommus = <&iommu_vdo M4U_PORT_L2_MDP_RDMA0>; > > + mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX > > 0x4000 0x1000>; > > + }; > > + }; > > -- > > 2.18.0 > > > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel