From 0fc8683e568f228c08321fd99756f6230c98651b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Fri, 16 Sep 2016 11:46:23 +0200 Subject: [PATCH] drm/amdgpu: allocate GTT space for shadow VM page tables MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We need to access those with the system domain. Fixes fallout from only allocating GTT space on demand. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index c4985a7..4ff285a 100644 --- 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) -- 2.7.4