From: Christian König Date: Fri, 16 Sep 2016 09:46:23 +0000 (+0200) Subject: drm/amdgpu: allocate GTT space for shadow VM page tables X-Git-Tag: v5.15~12629^2~11^2~12 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0fc8683e568f228c08321fd99756f6230c98651b;p=platform%2Fkernel%2Flinux-starfive.git 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 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- 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)