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Fri, 6 Nov 2026 02:26:41 -0600 From: Honglei Huang To: Dmitry Osipenko , Akihiko Odaki , David Airlie , "Gerd Hoffmann" CC: Gurchetan Singh , Chia-I Wu , Ray Huang , , , , Honglei Huang Subject: [RFC PATCH v10 1/4] drm/virtio: add VIRTIO_GPU_CAPSET_ROCM capability Date: Fri, 6 Nov 2026 16:26:22 +0800 Message-ID: <20261106082625.812860-2-honghuan@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261106082625.812860-1-honghuan@amd.com> References: <20261106082625.812860-1-honghuan@amd.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF0001885D:EE_|DS7PR12MB5864:EE_ X-MS-Office365-Filtering-Correlation-Id: 79c338b7-efd7-4b24-a031-08df3bdfb56d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|376014|1800799024|36860700016|82310400026|11063799006|261022105027099003|261021121427099003|261009223027099003|56012099006|261026121527099003|261028144727099003|261026140227099003|261102123227099003|10067099003|18002099003|22082099003|6133799003; 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ROCm (Radeon Open Compute) is AMD's open-source software platform for GPU compute and HPC workloads. ID 7 is already used by the OpenCL capset (VIRCL), and gfxstream's rutabaga_gfx has already claimed IDs 7-9 ahead of any spec or kernel header update, so ROCm uses ID 10 to avoid a further collision. A matching virtio-gpu specification change is in progress to register this assignment. Also add the matching VIRTGPU_DRM_CAPSET_ROCM alias in virtgpu_drm.h for consistency with the other capability sets exposed through DRM_IOCTL_VIRTGPU_GET_CAPS. Signed-off-by: Honglei Huang --- include/uapi/drm/virtgpu_drm.h | 1 + include/uapi/linux/virtio_gpu.h | 1 + 2 files changed, 2 insertions(+) diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h index 95587e12ae..9b886e9772 100644 --- a/include/uapi/drm/virtgpu_drm.h +++ b/include/uapi/drm/virtgpu_drm.h @@ -170,6 +170,7 @@ struct drm_virtgpu_3d_wait { #define VIRTGPU_DRM_CAPSET_VENUS 4 #define VIRTGPU_DRM_CAPSET_CROSS_DOMAIN 5 #define VIRTGPU_DRM_CAPSET_DRM 6 +#define VIRTGPU_DRM_CAPSET_ROCM 10 struct drm_virtgpu_get_caps { __u32 cap_set_id; __u32 cap_set_ver; diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h index 4f530d9005..e22049835e 100644 --- a/include/uapi/linux/virtio_gpu.h +++ b/include/uapi/linux/virtio_gpu.h @@ -321,6 +321,7 @@ struct virtio_gpu_cmd_submit { #define VIRTIO_GPU_CAPSET_VENUS 4 #define VIRTIO_GPU_CAPSET_CROSS_DOMAIN 5 #define VIRTIO_GPU_CAPSET_DRM 6 +#define VIRTIO_GPU_CAPSET_ROCM 10 /* VIRTIO_GPU_CMD_GET_CAPSET_INFO */ struct virtio_gpu_get_capset_info { -- 2.34.1