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drm/virtio: Rewrite virtio_gpu_queue_ctrl_buffer using fenced version. 

Factor function in preparation to generating scatterlist prior to locking.

Signed-off-by: David Riley <davidriley@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20190911181403.40909-2-davidriley@chromium.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
David Riley 2019-09-11 11:14:02 -07:00 committed by Gerd Hoffmann
parent 07583467c2
commit 32d6c2c5b5
1 changed files with 7 additions and 13 deletions
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20
drivers/gpu/drm/virtio/virtgpu_vq.c
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@ -302,18 +302,6 @@ retry:
return notify;
}
static void virtio_gpu_queue_ctrl_buffer(struct virtio_gpu_device *vgdev,
struct virtio_gpu_vbuffer *vbuf)
{
bool notify;
spin_lock(&vgdev->ctrlq.qlock);
notify = virtio_gpu_queue_ctrl_buffer_locked(vgdev, vbuf);
spin_unlock(&vgdev->ctrlq.qlock);
if (notify)
virtqueue_notify(vgdev->ctrlq.vq);
}
static void virtio_gpu_queue_fenced_ctrl_buffer(struct virtio_gpu_device *vgdev,
struct virtio_gpu_vbuffer *vbuf,
struct virtio_gpu_ctrl_hdr *hdr,
@ -339,7 +327,7 @@ again:
goto again;
}
if (fence) {
if (hdr && fence) {
virtio_gpu_fence_emit(vgdev, hdr, fence);
if (vbuf->objs) {
virtio_gpu_array_add_fence(vbuf->objs, &fence->f);
@ -352,6 +340,12 @@ again:
virtqueue_notify(vgdev->ctrlq.vq);
}
static void virtio_gpu_queue_ctrl_buffer(struct virtio_gpu_device *vgdev,
struct virtio_gpu_vbuffer *vbuf)
{
virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, NULL, NULL);
}
static void virtio_gpu_queue_cursor(struct virtio_gpu_device *vgdev,
struct virtio_gpu_vbuffer *vbuf)
{