diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
index 9cd005131f56..3bb18396d2f9 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
@@ -2113,7 +2113,6 @@ static int arcturus_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	mutex_lock(&adev->pm.mutex);
 	r = smu_cmn_update_table(smu, SMU_TABLE_I2C_COMMANDS, 0, req, true);
-	mutex_unlock(&adev->pm.mutex);
 	if (r)
 		goto fail;
 
@@ -2130,6 +2129,7 @@ static int arcturus_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	r = num_msgs;
 fail:
+	mutex_unlock(&adev->pm.mutex);
 	kfree(req);
 	return r;
 }
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
index 275f708db636..3f2494c6e372 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
@@ -3021,7 +3021,6 @@ static int navi10_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	mutex_lock(&adev->pm.mutex);
 	r = smu_cmn_update_table(smu, SMU_TABLE_I2C_COMMANDS, 0, req, true);
-	mutex_unlock(&adev->pm.mutex);
 	if (r)
 		goto fail;
 
@@ -3038,6 +3037,7 @@ static int navi10_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	r = num_msgs;
 fail:
+	mutex_unlock(&adev->pm.mutex);
 	kfree(req);
 	return r;
 }
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index f7ed3e655e39..8fe2e1716da4 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -3842,7 +3842,6 @@ static int sienna_cichlid_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	mutex_lock(&adev->pm.mutex);
 	r = smu_cmn_update_table(smu, SMU_TABLE_I2C_COMMANDS, 0, req, true);
-	mutex_unlock(&adev->pm.mutex);
 	if (r)
 		goto fail;
 
@@ -3859,6 +3858,7 @@ static int sienna_cichlid_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	r = num_msgs;
 fail:
+	mutex_unlock(&adev->pm.mutex);
 	kfree(req);
 	return r;
 }
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
index d30ec3005ea1..10eb72d892d4 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -1525,7 +1525,6 @@ static int aldebaran_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	mutex_lock(&adev->pm.mutex);
 	r = smu_cmn_update_table(smu, SMU_TABLE_I2C_COMMANDS, 0, req, true);
-	mutex_unlock(&adev->pm.mutex);
 	if (r)
 		goto fail;
 
@@ -1542,6 +1541,7 @@ static int aldebaran_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	r = num_msgs;
 fail:
+	mutex_unlock(&adev->pm.mutex);
 	kfree(req);
 	return r;
 }
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index c42c0c1446f4..87a485396de4 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -1838,7 +1838,6 @@ static int smu_v13_0_0_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	mutex_lock(&adev->pm.mutex);
 	r = smu_cmn_update_table(smu, SMU_TABLE_I2C_COMMANDS, 0, req, true);
-	mutex_unlock(&adev->pm.mutex);
 	if (r)
 		goto fail;
 
@@ -1855,6 +1854,7 @@ static int smu_v13_0_0_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	r = num_msgs;
 fail:
+	mutex_unlock(&adev->pm.mutex);
 	kfree(req);
 	return r;
 }
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
index ea8f3d6fb98b..c9093517b1bd 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
@@ -1639,7 +1639,6 @@ static int smu_v13_0_6_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	mutex_lock(&adev->pm.mutex);
 	r = smu_v13_0_6_request_i2c_xfer(smu, req);
-	mutex_unlock(&adev->pm.mutex);
 	if (r)
 		goto fail;
 
@@ -1656,6 +1655,7 @@ static int smu_v13_0_6_i2c_xfer(struct i2c_adapter *i2c_adap,
 	}
 	r = num_msgs;
 fail:
+	mutex_unlock(&adev->pm.mutex);
 	kfree(req);
 	return r;
 }