drm/amdgpu: Set the correct value for PDEs/PTEs of ATC memory on Raven

Without the additional bits set in PDEs/PTEs, the ATC memory access
would have failed on Raven.

Signed-off-by: Yong Zhao <yong.zhao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index fee0a32ac56f..b500bb6a8491 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -328,9 +328,10 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
                                 AMDGPU_GEM_CREATE_SHADOW);
 
         if (vm->pte_support_ats) {
-                init_value = AMDGPU_PTE_SYSTEM;
+                init_value = AMDGPU_PTE_DEFAULT_ATC;
                 if (level != adev->vm_manager.num_level - 1)
                         init_value |= AMDGPU_PDE_PTE;
+
         }
 
         /* walk over the address space and allocate the page tables */
@@ -2017,7 +2018,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
                 list_del(&mapping->list);
 
                 if (vm->pte_support_ats)
-                        init_pte_value = AMDGPU_PTE_SYSTEM;
+                        init_pte_value = AMDGPU_PTE_DEFAULT_ATC;
 
                 r = amdgpu_vm_bo_update_mapping(adev, NULL, NULL, vm,
                                                 mapping->start, mapping->last,
@@ -2629,7 +2630,9 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 
                 if (adev->asic_type == CHIP_RAVEN) {
                         vm->pte_support_ats = true;
-                        init_pde_value = AMDGPU_PTE_SYSTEM | AMDGPU_PDE_PTE;
+                        init_pde_value = AMDGPU_PTE_DEFAULT_ATC
+                                        | AMDGPU_PDE_PTE;
+
                 }
         } else
                 vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode &