This lock was part of the SDMA workaround originally implemented in
gmc_v10_0_flush_gpu_tlb (a70cb2176f7ef6f moved it to
amdgpu_gmc_flush_gpu_tlb).
This means this lock is useless and be safely dropped.
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-pra...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
index 76d3c40735b0..454fd1104c6d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
@@ -312,9 +312,7 @@ static void gmc_v12_0_flush_gpu_tlb(struct amdgpu_device
*adev, uint32_t vmid,
return;
}
- mutex_lock(&adev->mman.gtt_window_lock);
gmc_v12_0_flush_vm_hub(adev, vmid, vmhub, 0);
- mutex_unlock(&adev->mman.gtt_window_lock);
return;
}
--
2.43.0
