summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 109d8dd71c11..dc76d2b3ce52 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -793,6 +793,11 @@ int amdgpu_vm_update_range(struct amdgpu_device *adev, struct amdgpu_vm *vm,
flush_tlb |= adev->gmc.xgmi.num_physical_nodes &&
adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0);
+ /*
+ * On GFX8 and older any 8 PTE block with a valid bit set enters the TLB
+ */
+ flush_tlb |= adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 0, 0);
+
memset(&params, 0, sizeof(params));
params.adev = adev;
params.vm = vm;