Same as what was done in commit 904de683fa5f
("drm/amdgpu: remove gart_window_lock usage from gmc v12") for v12.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
index ef6e550ce7c3..dc8865c5879c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
@@ -345,9 +345,7 @@ static void gmc_v12_1_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
 		return;
 	}
 
-	mutex_lock(&adev->mman.gtt_window_lock);
 	gmc_v12_1_flush_vm_hub(adev, vmid, vmhub, 0);
-	mutex_unlock(&adev->mman.gtt_window_lock);
 	return;
 }
 
-- 
2.43.0