[RFC PATCH 12/12] drm/virtio: implement context init: advertise feature to userspace

This advertises the context init feature to userspace, along with
a mask of supported capabilities.

Signed-off-by: Gurchetan Singh <>
Acked-by: Lingfeng Yang <>
---
 drivers/gpu/drm/virtio/virtgpu_ioctl.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 393897adbbaa..4e77a333005e 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -286,6 +286,12 @@ static int virtio_gpu_getparam_ioctl(struct drm_device *dev, void *data,
 	case VIRTGPU_PARAM_CROSS_DEVICE:
 		value = vgdev->has_resource_assign_uuid ? 1 : 0;
 		break;
+	case VIRTGPU_PARAM_CONTEXT_INIT:
+		value = vgdev->has_context_init ? 1 : 0;
+		break;
+	case VIRTGPU_PARAM_SUPPORTED_CAPSET_IDs:
+		value = vgdev->capset_id_mask;
+		break;
 	default:
 		return -EINVAL;
 	}
-- 
2.33.0.259.gc128427fd7-goog