From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 19 Feb 2016 20:18:45 +0000 (-0500)
Subject: drm/amdgpu: fix locking in force performance level
X-Git-Tag: v4.5-rc6~23^2~3^2~5
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=10f950f640e689336af0a0d587a4b3c26a73cd44;p=linux.git

drm/amdgpu: fix locking in force performance level

Looks like a copy paste typo when we added powerplay
support.

Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 7d8d84eaea4a..5ed5598997e9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -157,6 +157,7 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
 		mutex_lock(&adev->pm.mutex);
 		if (adev->pm.dpm.thermal_active) {
 			count = -EINVAL;
+			mutex_unlock(&adev->pm.mutex);
 			goto fail;
 		}
 		ret = amdgpu_dpm_force_performance_level(adev, level);
@@ -167,8 +168,6 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
 		mutex_unlock(&adev->pm.mutex);
 	}
 fail:
-	mutex_unlock(&adev->pm.mutex);
-
 	return count;
 }