AMDGPU_POISON    1310 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c 	r = amdgpu_fill_buffer(abo, AMDGPU_POISON, bo->base.resv, &fence);
AMDGPU_POISON     454 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c 		r = amdgpu_fill_buffer(ttm_to_amdgpu_bo(bo), AMDGPU_POISON,