From: Saurabh Sengar Date: Fri, 9 Sep 2022 15:09:53 +0000 (-0700) Subject: drm/hyperv: Add ratelimit on error message X-Git-Tag: v6.1-rc1~73^2~1 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4c3386f64a432b3697fede579d06f9c1058043ad;p=thirdparty%2Fkernel%2Flinux.git 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 Reviewed-by: Michael Kelley Link: https://lore.kernel.org/r/1662736193-31379-1-git-send-email-ssengar@linux.microsoft.com Signed-off-by: Wei Liu --- diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_proto.c b/drivers/gpu/drm/hyperv/hyperv_drm_proto.c index 76a182a9a7654..013a7829182df 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; }