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Commit 348a4b6d authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

drm/virtio: allocate some extra bufs 



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: default avatarJiri Slaby <jslaby@suse.cz>
Tested-by: default avatarJiri Slaby <jslaby@suse.cz>
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent ff996e72

drivers/gpu/drm/virtio/virtgpu_vq.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -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);