[PATCH v3 3/4] drm/virtio: batch resource creation

From: Gerd Hoffmann
Date: Thu Feb 13 2020 - 08:22:16 EST


Move virtio_gpu_notify() to higher-level functions for
virtio_gpu_cmd_create_resource(), virtio_gpu_cmd_resource_create_3d()
and virtio_gpu_cmd_resource_attach_backing().

virtio_gpu_object_create() will batch commands and notify only once when
creating a resource.

Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_object.c | 1 +
drivers/gpu/drm/virtio/virtgpu_vq.c | 3 ---
2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index 8870ee23ff2b..65d6834d3c74 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -224,6 +224,7 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
return ret;
}

+ virtio_gpu_notify(vgdev);
*bo_ptr = bo;
return 0;

diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 9d4ca0fafa5f..778b7acf2f7f 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -514,7 +514,6 @@ void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev,
cmd_p->height = cpu_to_le32(params->height);

virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, fence);
- virtio_gpu_notify(vgdev);
bo->created = true;
}

@@ -643,7 +642,6 @@ virtio_gpu_cmd_resource_attach_backing(struct virtio_gpu_device *vgdev,
vbuf->data_size = sizeof(*ents) * nents;

virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, fence);
- virtio_gpu_notify(vgdev);
}

static void virtio_gpu_cmd_get_display_info_cb(struct virtio_gpu_device *vgdev,
@@ -1010,7 +1008,6 @@ virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev,
cmd_p->flags = cpu_to_le32(params->flags);

virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, fence);
- virtio_gpu_notify(vgdev);

bo->created = true;
}
--
2.18.2