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From ab4d27320c3b009e53c86c6abe548f324c25060f Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 5 Jan 2018 10:33:48 -0500
Subject: [PATCH 3090/4131] drm/amdgpu: drop extra tlb invalidation in gpuvm
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
We only need to flush the HDP here, not invalidate the TLB.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index ea5f4e8..e1d56f6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -862,7 +862,6 @@ int amdgpu_vm_update_directories(struct amdgpu_device *adev,
/* Flush HDP */
mb();
amdgpu_asic_flush_hdp(adev);
- amdgpu_gart_flush_gpu_tlb(adev, 0);
} else if (params.ib->length_dw == 0) {
amdgpu_job_free(job);
} else {
@@ -1486,7 +1485,6 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
/* Flush HDP */
mb();
amdgpu_asic_flush_hdp(adev);
- amdgpu_gart_flush_gpu_tlb(adev, 0);
}
spin_lock(&vm->status_lock);
--
2.7.4
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