From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 5 Jan 2018 15:33:48 +0000 (-0500)
Subject: drm/amdgpu: drop extra tlb invalidation in gpuvm
X-Git-Tag: v4.17-rc1~185^2~22^2~327
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=64b9342f31363eee93d0d3e1fa87622fe2929732;p=linux.git

drm/amdgpu: drop extra tlb invalidation in gpuvm

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>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index df0f99741b73..114571f29c7a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -857,7 +857,6 @@ 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 {
@@ -1459,7 +1458,6 @@ 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);