outcnt may be greater than 1 since commit e1218b8c0cc1 (drm/virtio:
Use vmalloc for command buffer allocations.).
Signed-off-by: Chia-I Wu <olvaffe@xxxxxxxxx>
Cc: David Riley <davidriley@xxxxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_vq.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 5914e79d3429f..5169e8dd9fd6c 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -391,7 +391,8 @@ static void virtio_gpu_queue_fenced_ctrl_buffer(struct virtio_gpu_device *vgdev,
*/
if (vq->num_free < 2 + outcnt) {
spin_unlock(&vgdev->ctrlq.qlock);
- wait_event(vgdev->ctrlq.ack_queue, vq->num_free >= 3);
+ wait_event(vgdev->ctrlq.ack_queue,
+ vq->num_free >= 2 + outcnt);
goto again;
}
--
2.25.0.341.g760bfbb309-goog
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
