Am 06.07.2018 um 22:12 schrieb Andrey Grodzovsky:
Problem: When PD/PT update made by CPU root PD was not yet mapped causing
page fault.
Fix: Verify root PD is mapped into CPU address space.
v2:
Make sure that we add the root PD to the relocated list
since then it's get mapped into CPU address space bt default
in amdgpu_vm_update_directories.
v3:
Drop change to not move kernel type BOs to evicted list.
Link: https://bugs.freedesktop.org/show_bug.cgi?id=107065
Signed-off-by: Andrey Grodzovsky <[email protected]>
Signed-off-by: Andrey Grodzovsky <[email protected]>
Double Signed-off-by line, but apart of that Reviewed-by: Christian
König <[email protected]>.
Regards,
Christian.
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index d18f247..316a501 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -156,6 +156,9 @@ static void amdgpu_vm_bo_base_init(struct amdgpu_vm_bo_base
*base,
return;
list_add_tail(&base->bo_list, &bo->va);
+ if (bo->tbo.type == ttm_bo_type_kernel)
+ list_move(&base->vm_status, &vm->relocated);
+
if (bo->tbo.resv != vm->root.base.bo->tbo.resv)
return;
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