* [PATCH for-4.9] drm/virtio: allocate some extra bufs
@ 2016-11-15 8:53 Gerd Hoffmann
0 siblings, 0 replies; only message in thread
From: Gerd Hoffmann @ 2016-11-15 8:53 UTC (permalink / raw)
To: David Airlie, dri-devel
Cc: Gerd Hoffmann, open list:VIRTIO GPU DRIVER, open list
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>
---
drivers/gpu/drm/virtio/virtgpu_vq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 5a0f8a7..974f941 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -75,7 +75,7 @@ void virtio_gpu_cursor_ack(struct virtqueue *vq)
int virtio_gpu_alloc_vbufs(struct virtio_gpu_device *vgdev)
{
struct virtio_gpu_vbuffer *vbuf;
- int i, size, count = 0;
+ int i, size, count = 16;
void *ptr;
INIT_LIST_HEAD(&vgdev->free_vbufs);
--
1.8.3.1
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