diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3090-drm-amdgpu-drop-extra-tlb-invalidation-in-gpuvm.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3090-drm-amdgpu-drop-extra-tlb-invalidation-in-gpuvm.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3090-drm-amdgpu-drop-extra-tlb-invalidation-in-gpuvm.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3090-drm-amdgpu-drop-extra-tlb-invalidation-in-gpuvm.patch new file mode 100644 index 00000000..520e1c0e --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3090-drm-amdgpu-drop-extra-tlb-invalidation-in-gpuvm.patch @@ -0,0 +1,39 @@ +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 + |