From: Prike Liang <Prike.Liang@amd.com>
Date: Mon, 24 Jun 2019 09:25:26 +0000 (+0800)
Subject: drm/amd/powerplay:clean up the residual mutex for smu_hw_init
X-Git-Tag: v5.3-rc1~81^2~10^2~7
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=1189413f9cd45e42dc8ce3dc4eacd6ae27269ef9;p=linux.git

drm/amd/powerplay:clean up the residual mutex for smu_hw_init

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.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 29fb1965686a..9559127dd0ec 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;
 }