drm/exynos: dp: Lower AUX failure messages to dbg

Change the level of Aux Transaction fail messages from error to debug.
We retry the transactions a few times and will report errors if
warranted outside of this function.

BUG=chrome-os-partner:11908
TEST=Tested on PVT and DVT snow

Change-Id: I8b636890d02d7e77308d78a3165925b7b7728fa1
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28625
Reviewed-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>

diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/video/exynos/exynos_dp_reg.c
index 412c845..5003b02 100644 (file)
--- a/drivers/video/exynos/exynos_dp_reg.c
+++ b/drivers/video/exynos/exynos_dp_reg.c
@@ -433,7 +433,7 @@ int exynos_dp_write_byte_to_dpcd(struct exynos_dp_device *dp,
                if (retval == 0)
                        break;
                else
-                       dev_err(dp->dev, "%s: Aux Transaction fail!\n",
+                       dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
                                __func__);
        }
 
@@ -474,7 +474,7 @@ int exynos_dp_read_byte_from_dpcd(struct exynos_dp_device *dp,
                if (retval == 0)
                        break;
                else
-                       dev_err(dp->dev, "%s: Aux Transaction fail!\n",
+                       dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
                                __func__);
        }
 
@@ -539,7 +539,7 @@ int exynos_dp_write_bytes_to_dpcd(struct exynos_dp_device *dp,
                        if (retval == 0)
                                break;
                        else
-                               dev_err(dp->dev, "%s: Aux Transaction fail!\n",
+                               dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
                                        __func__);
                }
 
@@ -597,7 +597,7 @@ int exynos_dp_read_bytes_from_dpcd(struct exynos_dp_device *dp,
                        if (retval == 0)
                                break;
                        else
-                               dev_err(dp->dev, "%s: Aux Transaction fail!\n",
+                               dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
                                        __func__);
                }
 
@@ -643,7 +643,7 @@ int exynos_dp_select_i2c_device(struct exynos_dp_device *dp,
        /* Start AUX transaction */
        retval = exynos_dp_start_aux_transaction(dp);
        if (retval != 0)
-               dev_err(dp->dev, "%s: Aux Transaction fail!\n", __func__);
+               dev_dbg(dp->dev, "%s: Aux Transaction fail!\n", __func__);
 
        return retval;
 }
@@ -683,7 +683,7 @@ int exynos_dp_read_byte_from_i2c(struct exynos_dp_device *dp,
                if (retval == 0)
                        break;
                else
-                       dev_err(dp->dev, "%s: Aux Transaction fail!\n",
+                       dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
                                __func__);
        }
 
@@ -744,7 +744,7 @@ int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp,
                                if (retval == 0)
                                        break;
                                else
-                                       dev_err(dp->dev,
+                                       dev_dbg(dp->dev,
                                                "%s: Aux Transaction fail!\n",
                                                __func__);
                        }