If we got an error response code from the host, print it to the log.
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_vq.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index e27c4aedb8..6bc2008b0d 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -192,8 +192,16 @@ void virtio_gpu_dequeue_ctrl_func(struct work_struct *work)
list_for_each_entry_safe(entry, tmp, &reclaim_list, list) {
resp = (struct virtio_gpu_ctrl_hdr *)entry->resp_buf;
- if (resp->type != cpu_to_le32(VIRTIO_GPU_RESP_OK_NODATA))
- DRM_DEBUG("response 0x%x\n", le32_to_cpu(resp->type));
+ if (resp->type != cpu_to_le32(VIRTIO_GPU_RESP_OK_NODATA)) {
+ if (resp->type >= cpu_to_le32(VIRTIO_GPU_RESP_ERR_UNSPEC)) {
+ struct virtio_gpu_ctrl_hdr *cmd;
+ cmd = (struct virtio_gpu_ctrl_hdr *)entry->buf;
+ DRM_ERROR("response 0x%x (command 0x%x)\n",
+ le32_to_cpu(resp->type),
+ le32_to_cpu(cmd->type));
+ } else
+ DRM_DEBUG("response 0x%x\n", le32_to_cpu(resp->type));
+ }
if (resp->flags & cpu_to_le32(VIRTIO_GPU_FLAG_FENCE)) {
u64 f = le64_to_cpu(resp->fence_id);
--
2.9.3
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