diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 546f77cb7882..3bee13344065 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -196,6 +196,27 @@ static inline bool amdgpu_bo_gpu_accessible(struct amdgpu_bo *bo) } /** + * amdgpu_bo_in_cpu_visible_vram - check if BO is (partly) in visible VRAM + */ +static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo) +{ + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); + unsigned fpfn = adev->gmc.visible_vram_size >> PAGE_SHIFT; + struct drm_mm_node *node = bo->tbo.mem.mm_node; + unsigned long pages_left; + + if (bo->tbo.mem.mem_type != TTM_PL_VRAM) + return false; + + for (pages_left = bo->tbo.mem.num_pages; pages_left; + pages_left -= node->size, node++) + if (node->start < fpfn) + return true; + + return false; +} + +/** * amdgpu_bo_explicit_sync - return whether the bo is explicitly synced */ static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo) |