From: Ville Syrjälä <ville.syrj...@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.syrj...@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,
-- 
2.24.1

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