From ab4d27320c3b009e53c86c6abe548f324c25060f Mon Sep 17 00:00:00 2001 From: Alex Deucher 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 Signed-off-by: Alex Deucher --- 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