Am 30.08.2018 um 05:29 schrieb Zhang, Jerry (Junwei):
On 08/29/2018 10:08 PM, Christian König wrote:
Otherwise we won't be able to use the AGP aperture.
do you mean we use AGP for GTT shadow only now?
No, on older hw generations the page tables are usually larger than one
PAGE.
So we need to work a bit more on this,
Christian.
Jerry
Signed-off-by: Christian König <christian.koe...@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 a3675c7b6190..abe1db4c63f9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -346,6 +346,11 @@ 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);
}
}
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