drm/amdgpu: allocate GTT space for shadow VM page tables

We need to access those with the system domain.

Fixes fallout from only allocating GTT space on demand.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@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 c4985a7..4ff285a 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -552,6 +552,10 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
        if (r)
                goto error;
 
+       r = amdgpu_ttm_bind(&bo->tbo, &bo->tbo.mem);
+       if (r)
+               goto error;
+
        addr = amdgpu_bo_gpu_offset(bo);
        entries = amdgpu_bo_size(bo) / 8;
 
@@ -625,6 +629,11 @@ static int amdgpu_vm_update_pd_or_shadow(struct amdgpu_device *adev,
 
        if (!pd)
                return 0;
+
+       r = amdgpu_ttm_bind(&pd->tbo, &pd->tbo.mem);
+       if (r)
+               return r;
+
        pd_addr = amdgpu_bo_gpu_offset(pd);
        ring = container_of(vm->entity.sched, struct amdgpu_ring, sched);
 
@@ -650,6 +659,14 @@ static int amdgpu_vm_update_pd_or_shadow(struct amdgpu_device *adev,
                if (bo == NULL)
                        continue;
 
+               if (bo->shadow) {
+                       struct amdgpu_bo *shadow = bo->shadow;
+
+                       r = amdgpu_ttm_bind(&shadow->tbo, &shadow->tbo.mem);
+                       if (r)
+                               return r;
+               }
+
                pt = amdgpu_bo_gpu_offset(bo);
                if (!shadow) {
                        if (vm->page_tables[pt_idx].addr == pt)