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drm/amdgpu: manually map the shadow BOs again 

Otherwise we won't be able to use the AGP aperture.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-08-29 14:52:50 +02:00 committed by Alex Deucher
parent 485fc361d3
commit 3d5fe658b5
2 changed files with 6 additions and 4 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -163,10 +163,7 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
if (domain & AMDGPU_GEM_DOMAIN_GTT) {
places[c].fpfn = 0;
if (flags & AMDGPU_GEM_CREATE_SHADOW)
places[c].lpfn = adev->gmc.gart_size >> PAGE_SHIFT;
else
places[c].lpfn = 0;
places[c].lpfn = 0;
places[c].flags = TTM_PL_FLAG_TT;
if (flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC)
places[c].flags |= TTM_PL_FLAG_WC |

5
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -438,6 +438,11 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
r = amdgpu_ttm_alloc_gart(&bo->tbo);
if (r)
break;
if (bo->shadow) {
r = amdgpu_ttm_alloc_gart(&bo->shadow->tbo);
if (r)
break;
}
amdgpu_vm_bo_relocated(bo_base);
}
}