[PATCH v2] drm/amd/powerplay:clean up the residual mutex for smu_hw_init

[Prike Liang]

The mutex for procting SMU during hw_init was removed as system
will be deadlock when smu_populate_umd_state_clk try get SMU mutex.
Therefore need remove the residual mutex from failed path.

Change-Id: Id8019c01b9496c067efda4817a46983e4da3b6e4
Signed-off-by: Prike Liang <Prike.Liang at amd.com>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index f61ecbf..fe83c5e 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1044,7 +1044,6 @@ static int smu_hw_init(void *handle)
 	return 0;
 
 failed:
-	mutex_unlock(&smu->mutex);
 	return ret;
 }
 
-- 
2.7.4