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| author | Saurabh Sengar <ssengar@linux.microsoft.com> | 2022-09-09 17:09:53 +0200 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2022-09-29 18:28:28 +0200 |
| commit | 4c3386f64a432b3697fede579d06f9c1058043ad (patch) | |
| tree | ae97dcf6fac58e902c9d5d7859621a0590b5b0e7 | |
| parent | hyperv: simplify and rename generate_guest_id (diff) | |
| download | linux-4c3386f64a432b3697fede579d06f9c1058043ad.tar.xz linux-4c3386f64a432b3697fede579d06f9c1058043ad.zip | |
drm/hyperv: Add ratelimit on error message
Due to a full ring buffer, the driver may be unable to send updates to
the Hyper-V host. But outputing the error message can make the problem
worse because console output is also typically written to the frame
buffer.
Rate limiting the error message, also output the error code for additional
diagnosability.
Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1662736193-31379-1-git-send-email-ssengar@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/hyperv/hyperv_drm_proto.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_proto.c b/drivers/gpu/drm/hyperv/hyperv_drm_proto.c index 76a182a9a765..013a7829182d 100644 --- a/drivers/gpu/drm/hyperv/hyperv_drm_proto.c +++ b/drivers/gpu/drm/hyperv/hyperv_drm_proto.c @@ -208,7 +208,7 @@ static inline int hyperv_sendpacket(struct hv_device *hdev, struct synthvid_msg VM_PKT_DATA_INBAND, 0); if (ret) - drm_err(&hv->dev, "Unable to send packet via vmbus\n"); + drm_err_ratelimited(&hv->dev, "Unable to send packet via vmbus; error %d\n", ret); return ret; } |