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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Mar 2025 08:01:13.4989 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cf39b665-6d6a-40a1-1ca4-08dd684e8cd4 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099E2.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6566 Content-Type: text/plain; charset="utf-8" From: Honglei Huang Add probe code path for virtio gpu userptr. Signed-off-by: Honglei Huang --- drivers/gpu/drm/virtio/virtgpu_debugfs.c | 1 + drivers/gpu/drm/virtio/virtgpu_drv.c | 1 + drivers/gpu/drm/virtio/virtgpu_drv.h | 1 + drivers/gpu/drm/virtio/virtgpu_kms.c | 8 ++++++-- 4 files changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_debugfs.c b/drivers/gpu/drm/vir= tio/virtgpu_debugfs.c index 853dd9aa397e..da9fa034db0e 100644 --- a/drivers/gpu/drm/virtio/virtgpu_debugfs.c +++ b/drivers/gpu/drm/virtio/virtgpu_debugfs.c @@ -57,6 +57,7 @@ static int virtio_gpu_features(struct seq_file *m, void *= data) virtio_gpu_add_bool(m, "context init", vgdev->has_context_init); virtio_gpu_add_int(m, "cap sets", vgdev->num_capsets); virtio_gpu_add_int(m, "scanouts", vgdev->num_scanouts); + virtio_gpu_add_int(m, "blob userptr", vgdev->has_resource_userptr); if (vgdev->host_visible_region.len) { seq_printf(m, "%-16s : 0x%lx +0x%lx\n", "host visible region", (unsigned long)vgdev->host_visible_region.addr, diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/= virtgpu_drv.c index ffca6e2e1c9a..d79558139084 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -151,6 +151,7 @@ static unsigned int features[] =3D { VIRTIO_GPU_F_RESOURCE_UUID, VIRTIO_GPU_F_RESOURCE_BLOB, VIRTIO_GPU_F_CONTEXT_INIT, + VIRTIO_GPU_F_RESOURCE_USERPTR, }; static struct virtio_driver virtio_gpu_driver =3D { .feature_table =3D features, diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/= virtgpu_drv.h index 64c236169db8..7bdcbaa20ef1 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -249,6 +249,7 @@ struct virtio_gpu_device { bool has_resource_blob; bool has_host_visible; bool has_context_init; + bool has_resource_userptr; struct virtio_shm_region host_visible_region; struct drm_mm host_visible_mm; =20 diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/= virtgpu_kms.c index 7dfb2006c561..3d5158caef46 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -174,6 +174,9 @@ int virtio_gpu_init(struct virtio_device *vdev, struct = drm_device *dev) if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_BLOB)) { vgdev->has_resource_blob =3D true; } + if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_USERPTR)) { + vgdev->has_resource_userptr =3D true; + } if (virtio_get_shm_region(vgdev->vdev, &vgdev->host_visible_region, VIRTIO_GPU_SHM_ID_HOST_VISIBLE)) { if (!devm_request_mem_region(&vgdev->vdev->dev, @@ -197,11 +200,12 @@ int virtio_gpu_init(struct virtio_device *vdev, struc= t drm_device *dev) vgdev->has_context_init =3D true; } =20 - DRM_INFO("features: %cvirgl %cedid %cresource_blob %chost_visible", + DRM_INFO("features: %cvirgl %cedid %cresource_blob %chost_visible %cresou= rce_userptr", vgdev->has_virgl_3d ? '+' : '-', vgdev->has_edid ? '+' : '-', vgdev->has_resource_blob ? '+' : '-', - vgdev->has_host_visible ? '+' : '-'); + vgdev->has_host_visible ? '+' : '-', + vgdev->has_resource_userptr ? '+' : '-'); =20 DRM_INFO("features: %ccontext_init\n", vgdev->has_context_init ? '+' : '-'); --=20 2.34.1