From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 5 Jan 2018 10:33:48 -0500
Subject: drm/amdgpu: drop extra tlb invalidation in gpuvm
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Git-commit: 64b9342f31363eee93d0d3e1fa87622fe2929732
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c |    2 --
 1 file changed, 2 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -857,7 +857,6 @@ restart:
 		/* 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 {
@@ -1459,7 +1458,6 @@ int amdgpu_vm_bo_update(struct amdgpu_de
 		/* Flush HDP */
 		mb();
 		amdgpu_asic_flush_hdp(adev);
-		amdgpu_gart_flush_gpu_tlb(adev, 0);
 	}
 
 	spin_lock(&vm->status_lock);