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drm/virtio: allocate some extra bufs

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virtio-gpu guest driver appearently can run out of buffers.
allocate some extra buffers, as quick stopgap for 4.9.
analyzing root cause and fixing it properly is TBD.

Reported-by: Jiri Slaby <jslaby@suse.cz>
Tested-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann
2016-11-15 09:46:48 +01:00
parent ff996e72a0
commit 348a4b6dd7
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/virtio/virtgpu_vq.c
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@@ -75,7 +75,7 @@ void virtio_gpu_cursor_ack(struct virtqueue *vq)
int virtio_gpu_alloc_vbufs(struct virtio_gpu_device *vgdev) int virtio_gpu_alloc_vbufs(struct virtio_gpu_device *vgdev)
{ {
struct virtio_gpu_vbuffer *vbuf; struct virtio_gpu_vbuffer *vbuf;
int i, size, count = 0; int i, size, count = 16;
void *ptr; void *ptr;
INIT_LIST_HEAD(&vgdev->free_vbufs); INIT_LIST_HEAD(&vgdev->free_vbufs);