This implements the hypercall interface for the wait_flush command.
Cc: Gerd Hoffmann kraxel@redhat.com Signed-off-by: Vivek Kasireddy vivek.kasireddy@intel.com --- drivers/gpu/drm/virtio/virtgpu_drv.h | 4 ++++ drivers/gpu/drm/virtio/virtgpu_vq.c | 17 +++++++++++++++++ 2 files changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index d9dbc4f258f3..f77d196ccc8f 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -403,6 +403,10 @@ virtio_gpu_cmd_set_scanout_blob(struct virtio_gpu_device *vgdev, struct drm_framebuffer *fb, uint32_t width, uint32_t height, uint32_t x, uint32_t y); +void virtio_gpu_cmd_wait_flush(struct virtio_gpu_device *vgdev, + struct virtio_gpu_object_array *objs, + struct virtio_gpu_fence *fence); +
/* virtgpu_display.c */ int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev); diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index cf84d382dd41..0042a143e71e 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -1307,3 +1307,20 @@ void virtio_gpu_cmd_set_scanout_blob(struct virtio_gpu_device *vgdev,
virtio_gpu_queue_ctrl_buffer(vgdev, vbuf); } + +void virtio_gpu_cmd_wait_flush(struct virtio_gpu_device *vgdev, + struct virtio_gpu_object_array *objs, + struct virtio_gpu_fence *fence) +{ + struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(objs->objs[0]); + struct virtio_gpu_wait_flush *cmd_p; + struct virtio_gpu_vbuffer *vbuf; + + cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p)); + memset(cmd_p, 0, sizeof(*cmd_p)); + vbuf->objs = objs; + + cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_WAIT_FLUSH); + cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle); + virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, fence); +}