[PATCH 4/6] drm/amdgpu: manually map the shadow BOs again

[Christian König]

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

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 5 +----
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c     | 5 +++++
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 0cbf651a88a6..de990bdcdd6c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -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 |
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 379903c7fddf..61fff96e6308 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -349,6 +349,11 @@ 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;
+			}
 			list_move(&bo_base->vm_status, &vm->relocated);
 		}
 	}
-- 
2.17.1