drm/hyperv: Add ratelimit on error message
authorSaurabh Sengar <ssengar@linux.microsoft.com>
Fri, 9 Sep 2022 15:09:53 +0000 (08:09 -0700)
committerWei Liu <wei.liu@kernel.org>
Thu, 29 Sep 2022 16:28:28 +0000 (16:28 +0000)
commit4c3386f64a432b3697fede579d06f9c1058043ad
treeae97dcf6fac58e902c9d5d7859621a0590b5b0e7
parentd5ebde1e2b46154d7e03efb1ae3039a304e5386d
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>
drivers/gpu/drm/hyperv/hyperv_drm_proto.c