diff options
| -rw-r--r-- | drivers/gpu/drm/drm_dp_helper.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 198e9e2..5d20255 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -574,7 +574,17 @@ static int drm_dp_i2c_do_msg(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) if (ret == -EBUSY) continue; - DRM_DEBUG_KMS("transaction failed: %d\n", ret); + /* + * While timeouts can be errors, they're usually normal + * behavior (for instance, when a driver tries to + * communicate with a non-existant DisplayPort device). + * Avoid spamming the kernel log with timeout errors. + */ + if (ret == -ETIMEDOUT) + DRM_DEBUG_KMS_RATELIMITED("transaction timed out\n"); + else + DRM_DEBUG_KMS("transaction failed: %d\n", ret); + return ret; } |