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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 9c47e860e5e6..ae0049c6c52c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -97,6 +97,22 @@ static u64 amdgpu_vram_mgr_vis_size(struct amdgpu_device *adev,
}
/**
+ * amdgpu_vram_mgr_bo_invisible_size - CPU invisible BO size
+ *
+ * @bo: &amdgpu_bo buffer object (must be in VRAM)
+ *
+ * Returns:
+ * How much of the given &amdgpu_bo buffer object lies in CPU invisible VRAM.
+ */
+u64 amdgpu_vram_mgr_bo_invisible_size(struct amdgpu_bo *bo)
+{
+ if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
+ return amdgpu_bo_size(bo);
+
+ return 0;
+}
+
+/**
* amdgpu_vram_mgr_new - allocate new ranges
*
* @man: TTM memory type manager