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From 7d47377d66ceeb298bc7451b6ea9d41053b4b62f Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 15 May 2019 12:51:30 +0300
Subject: [PATCH 1986/2940] drm/amd/powerplay: fix locking in
smu_feature_set_supported()
There is a typo so the code unlocks twice instead of taking the lock and
then releasing it.
Fixes: f14a323db5b0 ("drm/amd/powerplay: implement update enabled feature state to smc for smu11")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 3a47130f8150..faccd06f02ae 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -314,7 +314,7 @@ int smu_feature_set_supported(struct smu_context *smu, int feature_id,
WARN_ON(feature_id > feature->feature_num);
- mutex_unlock(&feature->mutex);
+ mutex_lock(&feature->mutex);
if (enable)
test_and_set_bit(feature_id, feature->supported);
else
--
2.17.1
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