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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 60de77b..365883d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -543,6 +543,27 @@ err:
return r;
}
+int amdgpu_bo_validate(struct amdgpu_bo *bo)
+{
+ uint32_t domain;
+ int r;
+
+ if (bo->pin_count)
+ return 0;
+
+ domain = bo->prefered_domains;
+
+retry:
+ amdgpu_ttm_placement_from_domain(bo, domain);
+ r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
+ if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {
+ domain = bo->allowed_domains;
+ goto retry;
+ }
+
+ return r;
+}
+
int amdgpu_bo_restore_from_shadow(struct amdgpu_device *adev,
struct amdgpu_ring *ring,
struct amdgpu_bo *bo,
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