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 44C67C624D3 for ; Sat, 5 Sep 2026 12:50:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:CC:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DtfAObULRIIxOluWx4C0+rkgymR02M84fVuL4a0OZSo=; b=soHNaHuABU7L7yq+p2kDArvXYb n7b3bNoBK4JDxobAb9yNFoNLmcWvQDcEp54WXd4Em1pZZe16VOm2aUcYGr/m1A1+rfF/ZJjZeQRZQ cNl2SIqHjH4pb73qhn8FAHmtvfoXGP2FHqFehKK53Ko+vgSPH67W2e17N7M+ipR9R4IFsFN6Ssfz/ T66DBdR97n2CnXRtAWPdueaqV4sp+mzmYaZJrWQkP6G9qrFQOQ81w3/9so7KNhjNKuDySzjdro2Di rYsR54mmqLtGl2J1CyWpfxL2GdPva8d5CLgrwe+lihijuB2eSsssbNeVQJ78qiM4SFdmDk/UoeKJG WkEwULYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x2pqM-000000044dP-2fgT; Sat, 05 Sep 2026 12:50:02 +0000 Received: from mx0b-0002e601.pphosted.com ([148.163.154.28]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x2pqH-000000044cT-2lW3 for linux-arm-kernel@lists.infradead.org; Sat, 05 Sep 2026 12:50:02 +0000 Received: from pps.filterd (m0374956.ppops.net [127.0.0.1]) by mx0b-0002e601.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 685BULhg1885438; Sat, 5 Sep 2026 07:49:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= proofpoint-05-2026; bh=DtfAObULRIIxOluWx4C0+rkgymR02M84fVuL4a0OZ So=; b=DSqObyucIrtBNJbByuC9Rc49ioGfmAIEfe2f/pDbTz21rpsUy5ucnv8Jf rw79S7fGzHfSxR5V56DXXmxMvyafo/OyZKapXfzZMio53ICCAkTmINNd2XfucLrT wnnxRPHmzTWQhjrgMd1wTbkrTzVq/IgW+/WL6a1KJsPkQYv6Dqdxzi7GYJTudJ46 FL4Rh/yCtCvL/mlCN+fol42o2DEHq7hPWIVv+soiQg9eSvRTE/b6gLiBkejjQfPi 7bzhSstJgzUUUjOS+80CJ08TThYI4Tphl5k1CxI+WcvLBCLVI1CMGmF8Nn5cUbku OJBNJtQEgNXlsh0eL1ZISJBLjh/sA== Received: from ch5pr02cu005.outbound.protection.outlook.com (mail-northcentralusazon11012048.outbound.protection.outlook.com [40.107.200.48]) by mx0b-0002e601.pphosted.com (PPS) with ESMTPS id 4gfyyq5r28-1 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Sat, 05 Sep 2026 07:49:53 -0500 (CDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=MeIPJ9lHwYUmy6TheC4hwc4QF9F87jRruqFO2GYnluJ2zRS9K6RQ1UOBGlvLjsADuMch79k8yXxpcfggsBDcUFMWPL4jTIzCwjXnn+1/0fMLY1IPiHHAkhbO6u1GioAJUlSlMjDRF4KP/YfsRQezwcpUPFC6YYoAetdmgiDuG45Bb6vJCg9jAgHtmhiIJPJnPM/toc4YYAlfjtolupiJ49qlvh/NfkIzVY0rHQmXJrU9oyi7baGNaULCKBolnUJl/zdU8SC3ByM+rAarqTFHm5w7L6neXRk2R8hFlrJFto3uwprZNxFj17quwgWeMVLkRJjDi+3H9HI3RjOLbzS65Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=DtfAObULRIIxOluWx4C0+rkgymR02M84fVuL4a0OZSo=; b=O8ibgUYOiIQ5csUgK1m6b7FHhx5VC2YpoEZ7VEg0YST2CQtzEmbHkLfUa8mkKAkawzfSRH8gu9Nasoq7aChK6k0s60JpzKMehuLXt1sjgG7PfajTOM+TOVqnlYwoxlXjtAD9YnOcWU5pvz74uoRcbYGE2M51nmjC61g0DT38yKg9Rf2sg5Z8IgCvlO/CVGxwcgwqIdXDa5YJRQbC88DmM1oFAN+KQ/HNCJI3P3g2KhDed1KbdXXSfritOspilrvdVQRn2gzrhTDudUD3M7p2iEL614nwNHJqwceIwIZvgKrCKKtCDiyQfkHRdFq2pDMNqnHtTGkOZCPZ0cLR7POzvw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.21.194) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=ti.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=ti.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=DtfAObULRIIxOluWx4C0+rkgymR02M84fVuL4a0OZSo=; b=qU8SYp9G2kwk/R2rbJdHiasEzWzuH2/ZmpdyNLjlJSTynnWBXzVXniXLnrZ5GLrU8RzMhQNevmQXeHQAPEZeBj7Y09XZ6JFJdqxOv6EN+JFc2AUKy+3IDtVixAwm9TCov3ZO+otHIeBTpvMi8dal492I+rigNTJUjCtMNvS4bag= Received: from BN9P221CA0006.NAMP221.PROD.OUTLOOK.COM (2603:10b6:408:10a::33) by CO1PR10MB4660.namprd10.prod.outlook.com (2603:10b6:303:6d::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.382.10; Sat, 5 Sep 2026 12:49:51 +0000 Received: from BN1PEPF0000468B.namprd05.prod.outlook.com (2603:10b6:408:10a:cafe::af) by BN9P221CA0006.outlook.office365.com (2603:10b6:408:10a::33) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.382.10 via Frontend Transport; Sat, 5 Sep 2026 12:49:51 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.21.194) smtp.mailfrom=ti.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=ti.com; Received-SPF: Pass (protection.outlook.com: domain of ti.com designates 198.47.21.194 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.21.194; helo=flwvzet200.ext.ti.com; pr=C Received: from flwvzet200.ext.ti.com (198.47.21.194) by BN1PEPF0000468B.mail.protection.outlook.com (10.167.243.136) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.406.5 via Frontend Transport; Sat, 5 Sep 2026 12:49:50 +0000 Received: from DFLE213.ent.ti.com (10.64.6.71) by flwvzet200.ext.ti.com (10.248.192.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Sat, 5 Sep 2026 07:48:16 -0500 Received: from DFLE210.ent.ti.com (10.64.6.68) by DFLE213.ent.ti.com (10.64.6.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45; Sat, 5 Sep 2026 07:48:16 -0500 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DFLE210.ent.ti.com (10.64.6.68) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.45 via Frontend Transport; Sat, 5 Sep 2026 07:48:16 -0500 Received: from [10.249.135.178] ([10.249.135.178]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 685CmBSo2186145; Sat, 5 Sep 2026 07:48:12 -0500 Message-ID: Date: Sat, 5 Sep 2026 18:18:10 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 4/6] arm64: dts: ti: k3-j784s4-j742s2-main-common: Assign SRAM to VPU nodes To: Brandon Brnich , , , , , , , , , CC: , References: <20260810205206.685971-1-b-brnich@ti.com> <20260810205206.685971-5-b-brnich@ti.com> Content-Language: en-US From: "Kumar, Udit" In-Reply-To: <20260810205206.685971-5-b-brnich@ti.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF0000468B:EE_|CO1PR10MB4660:EE_ X-MS-Office365-Filtering-Correlation-Id: 452dfa32-f64c-42d7-63c4-08df0b4c2d06 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700016|1800799024|23010399003|82310400026|13003099007|921020|4143699003|56012099006|18002099003|22082099003|10067099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:198.47.21.194;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:flwvzet200.ext.ti.com;PTR:ErrorRetry;CAT:NONE;SFS:(13230040)(376014)(36860700016)(1800799024)(23010399003)(82310400026)(13003099007)(921020)(4143699003)(56012099006)(18002099003)(22082099003)(10067099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: x8jkhELA5XK4gDkzIG7A6k4d40dybJE02ROexvyVhS2S/L/9Hau7f29bGigt5sxQjEQOOT9VeP8jCK9hng7udHdm+/GBevK+C6kvK7AhEXkg4K5YofW6rT2ckzZ/4CGw9ycmRQ5rpng6qE2rd9mu15ce4UbIK5X6xN3BH89XzS7ZpVGnrRBnvsfnaietPCSio9zqjlkvgBSPf74Dxx7pnR2dEHo4eRkTcDhA81aJMsa+1z85b4YiKWOWu+Ci2M7XQTmud9Pnn1IRmO8PuRbfx/G0Ra5bLzZyRd9OA6K9ZX5O3ecxaWcrcCTrRXhYThtBpgSHhfuhGi8n5C1RGiimtL4Ie8FxiX6ePvC/MecYTVwBmTvr1LKuKchk3tofW/soObOfrjlU+udiiIUGwiQ1TDWUzLmSBa2h6ZsEB2PjoY7OTk62icu65E8eHz75gaPd X-Exchange-RoutingPolicyChecked: xnu6CEez0RQzzeklSXmB/Z3D7ocvd+vzs4IzgV7uVOZYQqJVABuBYe82lOdVPj74l9eeUTdOLC0oywcKL0vH+cP0iaBJdlEgCzJT3X48RGGE6oywf270q/Jt9xjEQBBF8q3zuVqNFaIV8pmYcXr03l6I8i2mXTUuPEBZlzHAAttsPoSGsXPpg2qBFmWIT4TWnIUFx1TepEfT9KRJkYT2u96Ixy3H4zAB+FcpeJIg/MMoHQoVMlqMNierlJXMg3Qc5injBB1PHF5fhc559V6kN5V6LmCgM3ZQrJWmegBoTdmYrDu+J0ezldUYKVfVMtOTpZaPaPfqQ0fovdTQoZgMhg== X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Sep 2026 12:49:50.9523 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 452dfa32-f64c-42d7-63c4-08df0b4c2d06 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF0000468B.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4660 X-Authority-Analysis: v=2.4 cv=AfqB2XXG c=1 sm=1 tr=0 ts=6a9c0ff1 cx=c_pps a=JJStoDgKLvGmSPu1zToK9A==:117 a=iwqwCZQqcuTv3JOpYdM7/Q==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=V5UXEbMT0ywA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Z8NIEmU8O1QQgoT56wFK:22 a=jwouBfj2j3NM8CExmVVE:22 a=P-IC7800AAAA:8 a=sozttTNsAAAA:8 a=rdVYSk_NxjMM21v4qsgA:9 a=QEXdDO2ut3YA:10 a=d3PnA9EDa4IxuAV0gXij:22 X-Proofpoint-ORIG-GUID: iT0RjTd-24WRSdl-ZpbenJ-T_SMTlwOb X-Proofpoint-GUID: iT0RjTd-24WRSdl-ZpbenJ-T_SMTlwOb X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA1MDE0MCBTYWx0ZWRfX+u9nxWW0JHXN ezStrZ6R5EcVhoTqA6fRwqEfSjLzuKeM6BZvSaXbguINPYSfz+NFPzftt+g6dWcxemgNUWhmuSC GIo4JsPTpZzCwMUkRFL+rTH1g3GIbpaOrJC46/oUxC0T6ZrwJtUI6Rh4U3gIf54NmWsQisqT3Xb slIucCc7nmkcmYVYgtNJk05WA56+QWKsBLeliiiso3RsqZj68TGqosbDzx8QAsc4TtyhXs1uFYe T8RchjJQK7ArLVDdj2+9dEMgrUlAUy0NSvHZkHjNzghhLRzgRnFpMt389x76F5m/fSFcf5m4kho 5JPzbofBWZYwg1TYYvk7OtxnivWOkpVPNtPXnAFpDFeXwGc+iYe2r4JD5MDW8Zn1u4OgziFhu7d EiO3feJFC8HAD4sbBllS3tf3UWErgQmP+U5bp7sVij9O/SIcZ7tz0SfaJ64+hEcB0CFFR2zkeEe YU2xJwvdbEZdSWAQd6A== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA1MDE0MCBTYWx0ZWRfX6RKL3PzuM7Cf wXttiJEut78PNkhXuHHgiQjBdIzcaZrQC9m/u4+QiGA9wjxKvxtGHMx+oU0mdzhSrl2AKC0bthu 02gh1STtoCvZpMnTAthDpteChHOd7QM= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-05_04,2026-09-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 malwarescore=0 clxscore=1015 adultscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609050140 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260905_055000_855504_D368FEE4 X-CRM114-Status: GOOD ( 13.00 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 8/11/2026 2:22 AM, Brandon Brnich wrote: > The Wave5 VPU supports connecting to on-chip SRAM through its secondary > AXI interface. This allows temporal buffers to be stored on a per-stream > basis, reducing DDR memory traffic. > > Signed-off-by: Brandon Brnich > Reviewed-by: Andrew Davis > --- > arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi > index e836f0f42e30d..21ec9f207ff63 100644 > --- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi > @@ -1002,6 +1002,7 @@ vpu0: video-codec@4210000 { > interrupts = ; > clocks = <&k3_clks 241 2>; > power-domains = <&k3_pds 241 TI_SCI_PD_EXCLUSIVE>; > + sram = <&main_navss_sram>; > }; > > vpu1: video-codec@4220000 { > @@ -1010,6 +1011,7 @@ vpu1: video-codec@4220000 { > interrupts = ; > clocks = <&k3_clks 242 2>; > power-domains = <&k3_pds 242 TI_SCI_PD_EXCLUSIVE>; > + sram = <&main_navss_sram>; > }; Hello Brandon, Could you check, how two instances of hardware can share same sram ? LTM, each block need 64KB of SRAM https://elixir.bootlin.com/linux/v7.2.2/source/drivers/media/platform/chips-media/wave5/wave5-vpu.c#L463 > > main_sdhci0: mmc@4f80000 {