From: Ville Syrjälä ville.syrjala@linux.intel.com
To make it easier to figure out what caused a particular debug message let's print out aux->name.
Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com --- drivers/gpu/drm/drm_dp_helper.c | 44 +++++++++++++++++++-------------- 1 file changed, 25 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 5a103e9b3c86..f8cedbc3da5d 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -257,7 +257,8 @@ static int drm_dp_dpcd_access(struct drm_dp_aux *aux, u8 request, err = ret; }
- DRM_DEBUG_KMS("Too many retries, giving up. First error: %d\n", err); + DRM_DEBUG_KMS("%s: Too many retries, giving up. First error: %d\n", + aux->name, err); ret = err;
unlock: @@ -678,10 +679,11 @@ static int drm_dp_i2c_do_msg(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) * Avoid spamming the kernel log with timeout errors. */ if (ret == -ETIMEDOUT) - DRM_DEBUG_KMS_RATELIMITED("transaction timed out\n"); + DRM_DEBUG_KMS_RATELIMITED("%s: transaction timed out\n", + aux->name); else - DRM_DEBUG_KMS("transaction failed: %d\n", ret); - + DRM_DEBUG_KMS("%s: transaction failed: %d\n", + aux->name, ret); return ret; }
@@ -695,11 +697,12 @@ static int drm_dp_i2c_do_msg(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) break;
case DP_AUX_NATIVE_REPLY_NACK: - DRM_DEBUG_KMS("native nack (result=%d, size=%zu)\n", ret, msg->size); + DRM_DEBUG_KMS("%s: native nack (result=%d, size=%zu)\n", + aux->name, ret, msg->size); return -EREMOTEIO;
case DP_AUX_NATIVE_REPLY_DEFER: - DRM_DEBUG_KMS("native defer\n"); + DRM_DEBUG_KMS("%s: native defer\n", aux->name); /* * We could check for I2C bit rate capabilities and if * available adjust this interval. We could also be @@ -713,7 +716,8 @@ static int drm_dp_i2c_do_msg(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) continue;
default: - DRM_ERROR("invalid native reply %#04x\n", msg->reply); + DRM_ERROR("%s: invalid native reply %#04x\n", + aux->name, msg->reply); return -EREMOTEIO; }
@@ -728,13 +732,13 @@ static int drm_dp_i2c_do_msg(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) return ret;
case DP_AUX_I2C_REPLY_NACK: - DRM_DEBUG_KMS("I2C nack (result=%d, size=%zu)\n", - ret, msg->size); + DRM_DEBUG_KMS("%s: I2C nack (result=%d, size=%zu)\n", + aux->name, ret, msg->size); aux->i2c_nack_count++; return -EREMOTEIO;
case DP_AUX_I2C_REPLY_DEFER: - DRM_DEBUG_KMS("I2C defer\n"); + DRM_DEBUG_KMS("%s: I2C defer\n", aux->name); /* DP Compliance Test 4.2.2.5 Requirement: * Must have at least 7 retries for I2C defers on the * transaction to pass this test @@ -748,12 +752,13 @@ static int drm_dp_i2c_do_msg(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) continue;
default: - DRM_ERROR("invalid I2C reply %#04x\n", msg->reply); + DRM_ERROR("%s: invalid I2C reply %#04x\n", + aux->name, msg->reply); return -EREMOTEIO; } }
- DRM_DEBUG_KMS("too many retries, giving up\n"); + DRM_DEBUG_KMS("%s: Too many retries, giving up\n", aux->name); return -EREMOTEIO; }
@@ -782,8 +787,8 @@ static int drm_dp_i2c_drain_msg(struct drm_dp_aux *aux, struct drm_dp_aux_msg *o return err == 0 ? -EPROTO : err;
if (err < msg.size && err < ret) { - DRM_DEBUG_KMS("Partial I2C reply: requested %zu bytes got %d bytes\n", - msg.size, err); + DRM_DEBUG_KMS("%s: Partial I2C reply: requested %zu bytes got %d bytes\n", + aux->name, msg.size, err); ret = err; }
@@ -962,11 +967,12 @@ static void drm_dp_aux_crc_work(struct work_struct *work) }
if (ret == -EAGAIN) { - DRM_DEBUG_KMS("Get CRC failed after retrying: %d\n", - ret); + DRM_DEBUG_KMS("%s: Get CRC failed after retrying: %d\n", + aux->name, ret); continue; } else if (ret) { - DRM_DEBUG_KMS("Failed to get a CRC: %d\n", ret); + DRM_DEBUG_KMS("%s: Failed to get a CRC: %d\n", + aux->name, ret); continue; }
@@ -1247,8 +1253,8 @@ int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc,
dev_id_len = strnlen(ident->device_id, sizeof(ident->device_id));
- DRM_DEBUG_KMS("DP %s: OUI %*phD dev-ID %*pE HW-rev %d.%d SW-rev %d.%d quirks 0x%04x\n", - is_branch ? "branch" : "sink", + DRM_DEBUG_KMS("%s: DP %s: OUI %*phD dev-ID %*pE HW-rev %d.%d SW-rev %d.%d quirks 0x%04x\n", + aux->name, is_branch ? "branch" : "sink", (int)sizeof(ident->oui), ident->oui, dev_id_len, ident->device_id, ident->hw_rev >> 4, ident->hw_rev & 0xf,