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Thu, 28 May 2026 11:15:01 -0700 Date: Thu, 28 May 2026 11:14:59 -0700 From: Nicolin Chen To: Pranjal Shrivastava CC: , Will Deacon , Joerg Roedel , Robin Murphy , Jason Gunthorpe , Mostafa Saleh , Daniel Mentz , Ashish Mhetre , Subject: Re: [PATCH v7 04/11] iommu/tegra241-cmdqv: Restore PROD and CONS after resume Message-ID: References: <20260527221407.1756491-1-praan@google.com> <20260527221407.1756491-5-praan@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20260527221407.1756491-5-praan@google.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001F0:EE_|CH3PR12MB8880:EE_ X-MS-Office365-Filtering-Correlation-Id: 543ade33-7ac2-4db6-4def-08debce51245 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|1800799024|376014|82310400026|22082099003|18002099003|11063799006|4143699003|3023799007|56012099006; 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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 Wed, May 27, 2026 at 10:14:00PM +0000, Pranjal Shrivastava wrote: > From: Ashish Mhetre > > PROD and CONS indices for vcmdqs are getting set to 0 after resume. > Because of this the vcmdq is not consuming commands after resume. > Fix this by restoring PROD and CONS indices after resume from > saved pointers. > > Signed-off-by: Ashish Mhetre > Signed-off-by: Pranjal Shrivastava Reviewed-by: Nicolin Chen