Commit 0fc8683e authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

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: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 765e7fbf

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+17 −0
Original line number Diff line number Diff line
@@ -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)

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