[Intel-xe] [PATCH 2/2] drm/xe: Add a missing mutex_destroy to xe_ttm_vram_mgr

[Bommithi Sakeena]

Ensure that the mutex is destroyed at fini function.

Fixes: e777edb47dc2 ("drm/xe: Implement stolen memory.")
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Signed-off-by: Bommithi Sakeena <bommithi.sakeena at intel.com>
---
 drivers/gpu/drm/xe/xe_ttm_vram_mgr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
index 06a54c8bd46f..285791eb4a79 100644
--- a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
+++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c
@@ -328,6 +328,8 @@ static void ttm_vram_mgr_fini(struct drm_device *dev, void *arg)
 	ttm_resource_manager_cleanup(&mgr->manager);
 
 	ttm_set_driver_manager(&xe->ttm, mgr->mem_type, NULL);
+
+	mutex_destroy(&mgr->lock);
 }
 
 int __xe_ttm_vram_mgr_init(struct xe_device *xe, struct xe_ttm_vram_mgr *mgr,
-- 
2.34.1