From: Gerd Hoffmann <kraxel@redhat.com>
To: David Airlie <airlied@linux.ie>, dri-devel@lists.freedesktop.org
Cc: Gerd Hoffmann <kraxel@redhat.com>,
virtualization@lists.linux-foundation.org (open list:VIRTIO GPU
DRIVER), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH for-4.9] drm/virtio: allocate some extra bufs
Date: Tue, 15 Nov 2016 09:53:23 +0100 [thread overview]
Message-ID: <1479200004-18163-1-git-send-email-kraxel@redhat.com> (raw)
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
reply other threads:[~2016-11-15 8:53 UTC|newest]
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